9th grade research projects

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Are you looking for science activities to do with your 2nd graders? No sweat. We have you covered. Check out our list of 23 science projects and experiments that you can try with your 9th graders this month.

• Is a Dense Fruit a Healthy Fruit? | Education.com – Grades 9-12, In this experiment, students will find out if there is a correlation between density and nutritional value, by measuring the density of vegetables and fruits.
• Effect of Glucose and Sucrose as Dietary Additives | Education.com – Grades 9-12, Students examine if and how glucose affects the lifespan of humans.
• Effect of Acid Rain on Seedling Germination | Education.com – Grades 9-12, Does acid rain have a positive or negative impact on seedling germination? In this project, students use vinegar-based solutions to mimic acid rain conditions to find.
• Effectiveness of Garlic in Fighting Bacteria | All-Science-Fair-Projects.com – Grades 9-12, Use milk in petri dishes to find out if garlic is a natural antibiotic.
• How Do Roots Grow When the Direction of Gravity Changes? | ScienceBuddies.org -Grades 6-10, Plants respond to gravity by stems that grow upward and roots that grow downward. Experiment with germinating seeds and rotate them to make up down and down up. How do you think the growing seedlings will respond?
• Build a Raft Powered by Surface Tension | Sciencebuddies.org – Grades 6-10, Learn about the properties of surface water tension, and use it to propel a raft.
• Paw Preference in Pets | Sciencebuddies.org – Grades 7-10, Are animals left-handed or right-handed like humans?
• Bat Detector: Listen to the Secret Sounds of Bats | Sciencebuddies.org – Grades 7-10, Study the behavior of bats to find out how do they use echolocation to catch their prey
• Saving Migratory Animals | ScienceBuddies.org – Grades 7-10, They’re here today but could be gone tomorrow. Examine the migratory path of a bird species and the similarities and differences between their winter and summer habitats. Recommend which locations should be preserved to protect these species.
• Electric wind: hi-speed threads of charged air | Scienceclub.org – Grades 9-12, Use dry ice and an electrostatic generator to observe air streams and hi-speed air-threads.
• Evaluating Benfords Law | Education.com – Grades 9-12, In this project, students investigate the applicability of  Benford’s Law to many sets of everyday data, such as lists of country populations, utility bills or the distance of various stars from earth.
• Patterns in J.S. Bach | Education.com – Grades 9-12, Determine the mathematical patterns in JS Bach’s two-movement preludes and fugues.
• Raw vs. Cooked Foods | Education.com – Grades 9-12, Do raw foods contain more calories than cooked foods? Use a bomb calorimeter to measure and calculate the amount of energy (calories) within various foods, ignite food samples, calculate the change in temperature.
• Chemistry of Ice-Cream Making | Sciencebuddies.org – Grades 9-12, Test how the addition of salt and other substances to water affects the freezing point of the water-based solution. Is rock salt and ice the best combination for freezing ice cream?
• Water to Fuel to Water | ScienceBuddies.org Grades 9-12, Examine the possibilities for water as part of the fuel cycle for the future. How efficient is a cobalt-based catalyst at helping to form molecular oxygen?
• Levitating with Eddy Currents! | Sciencebuddies.org – Grades 9-12, Build your own maglev (magnetic levitation) system and demonstrate how eddy currents work.
• Does Your Cell Phone Leak? | Sciencebuddies.org – Grades 9-12, Measure cell phone radiation from several distances when making a call and when texting.
• Lighthouse Redesign | Education.com – Grades 9-12, Old lighthouses have historical significance.  Give them a new life with a modern interior redesign.
• Lights and Sounds of Logic | Illinois Institute of Technology – Grades 9-12, Digital electronics such as smartphones and computers work by embedded logic. Use circuits that light up and make a sound to show how this basic logic works.
• Oregametry | Education.com – Grades 9-12, Use the mathematics of paper folding to learn the practical applications of particular origami folding techniques. Create your own origami or make modifications to existing designs.  Origami Sightings has some mind-blowing applications of origami concepts.
• Extracting Heat Energy from a Compost Pile | Sciencebuddies.org – Grades 9-12, Use your bananas peels, newspapers, leaves, and coffee grounds to create compost. Find out if enough energy is generated from the compost to heat water.
• Do Hurricanes Cool the Ocean? | Sciencebuddies.org – Grades 9-12, Collect data on hurricane strength and sea surface temperature to determine if cooling occurs and if it can be measured with the passing of a hurricane.
• How Earth’s Wobble Affects the Rotation of Earth | Education.com – Grades 9-12, The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates. You’ll record observations over three months.

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25 Incredible 9th Grade Science Project Ideas To Try

Categories Education/School

Forget quizzing your class on all 118 elements of the periodic table. Gather them together for some fun science projects instead!

If you’re teaching grade 9 students, there’s no better way to increase their interest in the wonders of science than by letting them play mad scientist.

Looking to add some spark and energy to your science lessons?

Let your students get creative and experimental with these 25 incredible 9th grade science project ideas to try that are sure to wow and amaze your class!

These incredible grade 9 science projects cover chemistry, physics, biology, and more. For health and safety reasons, just make sure to provide adult supervision where necessary.

1. Pressure Bottle Rocket

Firing this list off is an explosive science project idea that’s as educational as it is heaps of fun. This science project will have your students building their very own pressure rocket from a plastic bottle and a few other basic materials. Just watch out, as you might get wet!

2. Homemade Radio

Turn your students into inventors with this science project that will teach them how to make a homemade radio out of a few household items. They’ll even learn how to make their own headphones using a small magnet, a nail, a tin, and some fine wire.

3. Popping Boba Balls

Science projects can also be tasty! This science project will get your students to turn their favorite drinks into semi-solid boba balls that they can eat like pieces of candy. It’s a fun and effective way to teach your class about spherification and molecular gastronomy.

4. Flying Teabag

Ever seen a flying teabag? Your students probably haven’t either. This flying teabag science project is impressive yet simple, only requiring matches, markers, a non-flammable plate, and as many as many teabags as your students want to see flying!

5. Floating Rice

Teach your students about friction with this fun science project that’s as close as it gets to performing magic. All you need are uncooked grains of rice, a plastic bottle, and a chopstick, pencil, pen, or stick. It’s a simple project, but it’s sure to make their jaws drop!

6. Flaming Torch

Your students will jump at the idea of creating their own fire vortex from rising heat and wind. The main items you’ll need are a turntable, wire mesh bucket, and borosilicate glass beakers. The flames can rise above the bucket, so make sure to do this experiment outside.

7. Glowing Water

Show your students something interesting about tonic water with this glowing water science project idea. You can use tonic water or regular water soaked with the ink from a highlighter pen. Then it’s simply a matter of shining a black light on the water!

8. Rainbow Fire

Here’s a simple science project for teaching your students about chemical reactions . All it involves is a bunsen burner and several chemicals, including boronic acid, strontium chloride, sodium chloride, and potassium chloride, which will turn the flames into different colors.

9. PET Bottle Bridge

This science project idea is perfect as a group activity. It involves building a bridge out of PET plastic bottles using screws and tape. What will amaze your students is how sturdy the finished structure will be (thanks to one amazing science principle), as they’ll be able to walk on it!

10. Infinity Mirror

Optical illusions are always fascinating. And that’s exactly what your students will create with this fun infinity mirror science project. These infinity mirrors will dazzle and impress and also make for a great display item that your students can take home after class.

11. Lemon Volcano

Your students have probably made an erupting playdough volcano using bicarbonate of soda, vinegar, and food coloring – a classic school science project. But what about a lemon volcano? Just a word of caution: this science project can get messy!

12. Stained Glass Candy

Get your students to create their own edible peppermint candy that they take home and share. This science project idea is like a cooking class and a science experiment in one! It will also teach your students about the importance of measuring accurately in chemistry.

13. Vertical Hydroponic Farm

Teach your class about hydroponics and hydroculture with this fun science project that will get them to grow their own vertical farm. This is a large project that also involves building a support frame with microcontrollers that monitor the plants!

14. Rubber Band Racer

Kick-start a drag race competition with this science project idea that will teach your students how to make their own rubber band racers. This science project requires a hot glue gun and an electric drill, so just make sure the students have enough adult supervision.

15. Is Denser Fruit Healthier?

Organize a fun science experiment for your class with this project idea that will get them to test the density of different fruits and vegetables and whether density signifies their nutritional value. Teach them about science and healthy eating in one!

16. Marble Roller Coaster

Transform the classroom into a miniature theme park with this thrilling science project that involves building roller coasters out of foam pipe insulation and masking tape. The students will then measure how much height is needed to make the marbles loop the loops.

17. Teleidoscope

Get the students to create their own DIY kaleidoscopes with this teleidoscope science project. You’ll need to gather a few materials to make the teleidoscopes, but the finished product is something they’ll be peering through for the rest of the day!

18. Electric Play Dough

Teach your students about conductivity with this electric play dough science project idea. It involves piecing together the electrical components as well as creating the playdough itself. Add some creativity by letting your students create their own playdough shapes to electrify.

19. Water Quality

Here’s an environmental science project idea that will also teach your class an important survival skill! Your students will learn about water safety and contamination, as well as how to test the quality of water from any water source and whether it’s safe to drink.

20. Charging Gadgets With Solar Power

Wireless charging? Your students will jump at this science project idea that will teach them how to charge their gadgets with solar power. Several tools are required (including a soldering iron and wire cutters), so just make sure the students are well supervised.

21. Magical Plastic Bag Experiment

Here’s another incredible science project that will have the students believing they’re performing magic. It’s a simple experiment involving pencils and plastic bags filled with water. Will the water spill when punctured? Get your students to find out!

22. Easy Heart Pump Model

Help your class learn more about how the human heart works with this STEM science project idea that will instruct them to build a model heart pump. All you need is a small jar, bendy straws, a balloon, tape or glue, water, and red food coloring.

23. Tiny Dancers

This simple and fun science project idea will teach your class how to make a homopolar motor out of an AA battery and magnet. Your students will also get to create their own “tiny dancers”, which will start to spin once placed on top of the batteries.

24. Heat Sensitive Color Changing Slime

Let your students get messy with this science project idea that will teach them how to create heat sensitive color changing slime. All it requires is white school glue, water, thermochromic pigment, liquid starch, and different food colorings for them to get creative with.

25. Magic Spinning Pen

Have your class discover the power of magnets themselves with this school project idea that involves creating a small structure with a magnetic field. Gluing a ring magnet to a pen and placing it in the middle of the other magnets will cause the pen to spin on its nib!

That wraps up our list of 25 incredible 9th grade science project ideas to try with your class, which will help them discover more about the world of science through their own creativity and experimentation.

The above science project ideas are perfect for students aged 14 to 15 and are guaranteed to fascinate them no matter whether science is their favorite subject or not. Try these as soon as possible to add some excitement to your science lessons!

Further reading: How to homeschool a 9th grader.

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18 Mind-Blowing 9th Grade Science Project Ideas

• High School

As a 9th grader, you’re just beginning to explore the fascinating world of science. This is the perfect time to start experimenting with creative, engaging, and educational science projects. Here are 18 mind-blowing ideas for your next 9th grade science project:

1. Build a Crystal Radio: Understand how a simple radio receiver works by constructing your own crystal radio set.

2. Investigate Bacterial Growth: Compare the bacterial growth on different household surfaces (e.g., kitchen countertops, door handles) and analyze which areas require more careful cleaning and sanitation.

3. Earthquake Simulation: Build a shake table to simulate earthquakes and test how various building designs perform under seismic stresses.

4. Food Chemistry: Experiment with chemical reactions in food by exploring how various acids and bases affect the taste and texture of certain ingredients.

5. Solar Oven Design: Learn about solar energy by constructing a solar oven using everyday materials and see how efficiently it can cook food.

6. DNA Extraction from Fruit: Practice extracting DNA from strawberries or other fruits using safe household items like dish soap, salt, and rubbing alcohol.

7. Tornado in a Bottle: Create a model tornado to understand how these powerful weather phenomena form and develop.

8. Homemade Glue: Research natural adhesives found in nature, then develop your DIY glue formula using household materials.

9. Invisible Ink: Study the chemistry behind invisible ink and test different methods for writing secret messages that can only be revealed with the right reactions or substances.

10. Self-Inflating Balloons: Discover the principle behind self-inflating balloons by experimenting with baking soda and vinegar reactions in closed containers like water bottles or balloons.

11. Taste vs. Smell: Observe the relationship between taste perception and olfactory senses with various flavors of jelly beans or other strong-tasting candies while blindfolded or with a friend.

12. Water Filtration: Design and test your water filtration system using household items, like coffee filters or sand, and assess its effectiveness in removing impurities from contaminated water.

13. Homemade Thermometer: Construct a simple thermometer using a clear straw, rubbing alcohol, and a water bottle to observe temperature changes in different conditions.

14. Rocket Launch: Investigate the principles of physics and aerodynamics by constructing DIY rockets using plastic bottles and fuel options like baking soda and vinegar or Alka-Seltzer tablets.

15. Grow Your Own Bacteria: Investigate the different types of bacteria that grow on various surfaces by swabbing them and cultivating colonies on agar plates in petri dishes.

16. Air Pressure Explorations: Discover how air pressure affects various objects like balloons, marshmallows, or vacuum-packed bags through controlled experiments.

17. Battery-Powered Items: Learn about voltaic cells by building simple batteries using lemons or potatoes to power LED lights or small electronic devices like calculators.

18. Illusions of Motion: Study how our brains perceive motion with visual illusion experiments using stroboscopes or simple animations created on a computer or smartphone app.

With these 18 mind-blowing science project ideas for 9th graders, you’re sure to find one that piques your interest and teaches you something new along the way! Happy experimenting!

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9th Grade Science Fair Projects

Creative Project Ideas for High School Freshmen Who Love Science

• Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
• B.A., Physics and Mathematics, Hastings College

Ninth grade is the first year of high school, so freshmen might find themselves competing against older students in a science fair. Even so, they stand every bit as good a chance of excelling and winning. The key to success is choosing an interesting project that doesn't necessarily take a lot of time to complete.

Gearing a Project to the 9th Grade Level

Ninth graders have a lot going on, so it's best to choose a project idea that can be developed and completed over the space of a few weeks or less. Since high school students are expected to be familiar with word processing programs and printers, the quality of the presentation is very important. 

Are you making a poster? Be sure to make it as professional as possible. Also, remember that accurately citing sources is critical to any successful project. Always cite any references used in developing your experiment.

9th Grade Science Fair Project Ideas

• Teeth whiteners : Find the shade of white that matches your teeth. Brush your teeth using a teeth-whitening toothpaste or gum. What color are your teeth now? To obtain additional data, have other family members test different products and monitor their results.
• Seed germination: Can you affect or improve the germination rate of seeds by pre-rinsing them in a chemical before planting them? Examples of chemicals to try include hydrogen peroxide solution , diluted hydrochloric acid solution, diluted isopropyl alcohol solution , and fruit juice. Some of these agents are thought to be able to loosen the seed coat surrounding the plant embryo.
• Hair conditioner: Using a microscope, determine whether hair conditioner affects the condition of hair (either comparing brands or comparing with conditioner to without-conditioner). The goal is to get empirical data, such as a diameter measurement of each hair strand and the distance a strand can stretch before it breaks.
• Bread shelf-life: What's the best way to store bread to keep it fresh for the longest time?
• Optimizing appliance efficiency: What things can you do to improve the efficiency or effectiveness of your clothes dryer or water heater—or any device? For example, are there any actions you can take or changes you can make that will decrease the length of time it takes for your dryer to dry a load of towels?
• Music and memory: Does listening to music while you study affect your ability to memorize facts?
• Smoke and plant transpiration: Does the presence of smoke in the air affect plant transpiration?
• The impact of eye color on peripheral vision : Does eye color affect peripheral vision? Supposedly, people with darker eyes tend to have wider pupils for a given amount of light than people with light-colored irises. If you have a more open pupil, does it give you measurably better peripheral vision? Another idea to test would be to see if you have the same peripheral vision in bright light as compared with dim light.
• Acid snow? Most of us have heard about acid rain, but do you know the pH range of snow? If you live in an area with snow, test its pH. How does the pH of snow compare with the pH of rain from the same region?
• Soil erosion: What methods of preventing soil erosion work best? For example, what is effective at preventing erosion in your yard?
• Localized noise reduction: What can you do to reduce noise pollution in a room? What factors contribute to noise pollution inside a residence?
• Seed viability: Is there a test you can perform to predict whether or not a seed will germinate? What factors can you measure that might be used to construct a test?
• The effects of magnets on insects and brine shrimp: Does an external magnetic field have any noticeable effect on animals such as brine shrimp, cockroaches, or fruit flies? You could use a strip magnet and containers of sample organisms and make observations to address this question.
• How is phosphorescence affected by light? Is the brightness of glow-in-the-dark (phosphorescent) materials affected by the light source (spectrum) used to make them glow or only by the intensity (brightness) of the light? Does the light source affect the length of time a phosphorescent material will glow?
• How do preservatives impact Vitamin C? Can you affect vitamin C (or another measurable vitamin) levels in juice (or another food) by adding a preservative to the juice?
• Insulation variables : What is the best thickness of insulation for preventing heat loss?
• How does energy input impact light bulb lifespan? Is light bulb lifespan affected by whether the bulb is run at full power? In other words, do dim bulbs last longer/shorter than bulbs run at their power rating?
• Speaker acoustics: What type of box material gives you the best sound for your speaker?
• How does temperature affect battery life? When comparing different brands of batteries: Is the brand that lasts the longest at a high temperature the same as that brand lasts the longest at a cold temperature?
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9th Grade Science Project Ideas: Posters, Experiments, DIYs, And Discussions

March 8, 2024 //  by  Sharayah Lynn Grattan

The 9th-grade science fair is quickly approaching, yet your ideas either lack excitement or were used in last year’s fair…well, look no further! We have collected 56 unique and creative science fair projects that are sure to impress both your students and fairgoers. From optical illusions to black lights and chemical reactions, whatever sparks your students’ imagination, we’ve got you covered! Grab your science goggles and let’s start experimenting! 

1. Accurate Weather Forecasting

This experiment works best with access to a weather station. Most cities do have one, so see if weather records are available to use with your class. If not, keep a log from various weather channels: 1-day t, 3-day, 5-day, and 7-day forecasts. Your students will compare these predictions to real-time weather to gauge the forecasting accuracy.

 Learn More: Weather Forecast

2. Floating Rice

Friction happens all around us, and without it, our world would slip into chaos! To complete this simple experiment, your kiddos will only require some rice, a bottle, and a long utensil such as a chopstick or pencil. Have them fill the bottle with rice, push the pencil or stick inside, and lift the bottle to see what happens!

Learn More: Floating Rice

3. Gender Influence on Math Anxiety

This experiment challenges your kiddos to take on some pretty advanced concepts like adding control groups, managing variables, and data interpretation. They can use heart monitors connected to other kids in a math class and a different subject, and then compare the results. Can they identify anxiety patterns between genders and subjects?

Learn More: Gender And Math Anxiety

4. Hydroponic Garden

Are vertical gardens the way of the future? This engineering project requires your kiddies to have some prior knowledge of plant caretaking, and the willingness to construct a complex system with pipes and connectors. Let them build their hydroponic garden and find out if plants can grow without soil!

Learn More: Hydroponic Garden

5. Crystal Powered Radio

With just a diode, a piece of wood, and an earphone, your students can make their own homemade radio! Following the specific instructions, they’ll be able to connect materials in order to pick up signals from the surrounding area!  Let them explore different options and make the best radio they can!

Learn More: Homemade Radio

6. Plastic Bottle Bridge

This experiment tests your kiddos’ engineering skills by building a bridge out of plastic bottles and metal screws! Their creation will need to be strong enough for your class to walk and sit on! Your engineers will love cutting and connecting plastic bottles and inflating them with dry ice to create a strong structure. 

Learn More: Bottle Bridge

7. Apple Wrecking Ball

This awesome STEM challenge uses momentum, force, and inertia to maneuver an apple to hit target objects. Have your learners create a structure using string and construction paper rolled into cylinders. Next, they can get creative by choosing markers, highlighters, empty bottles, or other items to face down the apple wrecking ball!

Learn More: Apple Bowling

8. Symbiotic Plants and Bacteria

Do bacteria and plants work together? How do nitrogen-fixing bacteria support the growth process? Have your class answer these questions with this simple chemistry experiment using pots, soil, seeds, a sterile inoculating loop, and a Rhizobium leguminosarum culture (bacteria). They’ll observe what happens when only half their pots receive the bacteria!

Learn More: Bacteria And Plants

9. The Chemistry of Colorful Fire

Explore the chemical process behind the change in color in flames with this cool experiment!  Your students will test common chemicals by running a metal rod under cold water and dipping it in the chemical being tested, before exposing it to a flame. They will then record the results to show which chemicals change the flame’s color! Who knew chemistry could be so colorful!?

Learn More: Rainbow Fire

10. Second Language Learning Factors

This project focuses on the social sciences by exploring whether gender, native language, or age affects how we learn a second language. Have your kids dive in by creating a hypothesis and then let them test this prediction out with willing study participants! They’ll love the chance to get their friends and family involved with this fun project idea!

Learn More: Slideshare

11. Optical Illusions in Color and Black & White

What role does color play in how our eyes perceive the world around us? For this project, your kiddies will time how long it takes for participants to solve both color and black-and-white illusions to find out which type is more challenging to see! The results might surprise them!

Learn More: Optical Illusions And Color

12. Rubber Band Car

Your learners will love this project where they can make a car from just a few simple household items! In this fun engineering design project, they’ll use paper cups, rubber bands, a paper clip, a small washer, and one chopstick. Once the parts are assembled,  show them how to twist the chopstick around the rubber bands to change potential energy to kinetic energy causing the little car to take off!

Learn More: Kinetic Car

13. Earthquake Science

This cool science experiment explores how static friction works to create an earthquake-like disruption using natural materials. Grab standard bricks and see how much force it takes to rub them together. Your students will gain extra practice with math when varying the controls by adding weight to fluctuate the friction! 

Learn More: Earthquake Math

14. Forensic Fingerprints

This project is based on the techniques used by forensic scientists to identify fingerprints found at crime scenes!  Let your kiddies become mystery solvers too using just some muriatic acid and oily fingers. The muriatic acid reacts with the amino acids in the skin to make fingerprints glow green – so cool!

Learn More: Fingerprint Science

15. Effects of Antibiotics on Bacteria

How do the most common antibiotics react with gram-positive and gram-negative bacteria? Have your learners collect bacteria from their skin or mouth and swab them onto a petri dish. Show them how to establish a control dish and then add different antibiotics to the other dishes. They’ll be amazed as they observe how the antibiotics react with the bacteria! 

Learn More: Antibiotic And Bacteria

16. Glowing Water

This experiment will receive glowing reviews! Your students will need a highlighter, a black light, tonic water, and a dark room to create their glowing water. Instruct them to soak the felt tip of the highlighter in tonic water; after a while, they can place the water next to a black light in the dark room, and see it glow!

Learn More: Glowing Tonic

17. Candy Lab

This two-day experiment offers your pupils the opportunity to apply their knowledge of moles and molecules to make peppermint-flavored candy! All they’ll need is an aluminum tin, a Bunsen burner, and the focus to follow careful directions so that candy will be made! Learning to make candy? They won’t believe their luck!

Learn More: Candy Labs

18. Rain or Snow: Which is more Acidic?

This experiment compares acid rain with acid snow to discover which has a lower pH and is therefore more acidic. Your little scientists will collect samples from water sources like rain, snow, and sleet, and then test them using pH paper. Have them record each result so that they can compare them at the end! 

Learn More: Acidic Water Types

19. Soda Rocket

Chemical reactions are a great topic for a science project. In this demonstration, your kiddies will create their own rockets using just soda and Mentos candy! They’ll show what happens when these two substances interact and form a reaction – much to the delight of their audience! 

Learn More: Hessun Academy  

20. Chladni Plate

Your kiddos won’t believe you when you say they can see sound! For this experiment, they can use recycled materials to build a cylinder and then stretch a balloon over the top. Next, have them add salt to the surface and then blow or speak into the side tube to create sound. Seeing the moving effects of sound will truly ‘wow’ your audience!

Learn More: Science Mom

21. Burning Ice

Can ice really burn? This experiment is a great way for your learners to find out! Adding alcohol over ice creates the illusion of it being on firefire,  but the true source of the flame is really the alcohol. They’ll love coming to this conclusion, documenting the process, and demonstrating this at, their science fair 

Learn More: Steamsational

22. Oxidation Experiment

This experiment shows your class which items are prone to oxidation. Have them collect items made from different types of metal and submerge them in water and/or salt water to observe how fast they rust. Applying the scientific method and keeping a close record of the process will support budding scientists!

Learn More: Teach Beside Me

23. Create a Biodome

Any of your students who are interested in environmental science and the engineering design process will love this biodome project! They can use materials including sand, seeds, and insects, and measure the effects of different amounts of water on their environment. What a fantastic way to observe the interconnectedness of ecosystems!

Learn More: Teach Engineering

24. Light Maze

Scientists eager to learn how light works will enjoy creating these light-bending mazes. Have your kiddies build a maze and then add mirrors to reinforce and explore the concept that light travels in a straight line. This experiment also encourages them to think like engineers as they construct and build their mazes.

Learn More: Science-Sparks

25. Build Your Own Fan 

Give your kiddos a better understanding of how currents and circuits work by having them build this small electric fan. This kit comes with all of the items needed to build this fan and includes step-by-step directions for them to follow; perfect if you need an idea that’s ready to go with minimal prep! 

Learn More: Amazon

26. DIY Hot Air Balloon

The sky’s the limit with this project focusing on forces and motion. Challenge your students to find the best design and materials for a  hot air balloon. Testing it will be the real task! Will it fly or fall flat? Remind them to document their trials so they have the data to present at the fair! 

Learn More: Teaching Is Messy

27. Which Fertilizer is Best?

Let your students discover the secret ingredient to great plant growth. This experiment will expand on their existing knowledge of what plants need to grow by having them determine the best fertilizer for producing and enhancing growth. Your future agronomists will test the effects of different fertilizers and record their observations to present at the fair!

Learn More: Education

28. Head to the Races

If any of your students have access to a 3D printer, this is definitely the project for them! They’ll be taking on the challenge of creating their own race cars to compete against their peers! They’ll need to consider how the cargo affects racing performance and think of ways to overcome this as they race to the finish line!

Learn More: Instructables

29. Life Cycles of Stars

Space exploration is always a topic of interest in any 9th-grade classroom. In this NASA lesson, your kids will study the life cycle of stars and diagram the different phases and processes that contribute to a star’s formation. It’s a super opportunity for your budding astronomers to explain the mysteries of the universe! To infinity and beyond! 

Learn More: National Aeronautics And Space Administration

30. Water Wheels 

Water wheels are an engineering marvel unfamiliar to most people, and this experiment lets you put these ingenious creations front and center for your kiddies! Challenge them to use their math skills to construct a water wheel and observe how it conducts energy and power. This experiment combines history, engineering, math, and science!

Learn More: Resource Center

31. Morse Code Machine

Although Morse code is no longer frequently used, at one time it was an important system of communication! Introduce Morse code by having your students build their own Morse code machines using a buzzer, some batteries, and push buttons. A demonstration of the sounds and the Morse code process will be a hit at the science fair! 

Learn More: Surviving A Teacher’s Salary

32. Catapulting Pumpkins

What could be more fun than pumpkin chunkin’? Your kiddos will love building their own catapults and recording the distance that their flying pumpkins travel. This science fair project is not only a blast, but it is also a STEM learning experience all about tension, torsion, and gravity!  

Learn More: TPT

33. Tiny Dancers

This fun project actually generates electricity! Your learners will use nothing more than some copper wire, a battery, some magnets, and a few tools and decorations to create tiny dancers on top of a battery. These dancers will get a groove on once the electric current runs through them! 

Learn More: Babble Dabble Do 

34. Birds and the Colors They Eat 

Are birds attracted to certain colors? Have your kiddos find out by filling bird feeders with identical food, but disguise them in different colors to determine if our flying friends are drawn to specific colors. Challenge your class to come up with a way to document the data carefully to present their findings to an audience that is sure to be captivated by this interesting project!  

Learn More: Science Bob

35. Solar Oven

Bring the kitchen to the (outside) classroom! Your kiddies will love building their own solar oven and conducting experiments to determine how different materials affect the cooking time of food. This is a great opportunity to create graphs and charts to show how materials influence the effectiveness of their ovens and make themselves some tasty treats in the process! 

36. Measure The Speed Of Light With Chocolate

I think we can all agree that the best science projects involve chocolate! For this physics experiment have your kiddos heat chocolate in a microwave and then use this measuring process to work out the wavelengths of light. After the experiment is complete, don’t forget to eat your chocolate! You wouldn’t want it to go to waste!

Learn More: Fizzics Education

37. Overnight Crystals

Growing crystals is a science fair must! This experiment couldn’t be simpler as all your kids will need are some common household items, including Epsom salt and food dye, to create overnight salt crystals. Have them explore the world of saturated mixtures and evaporation as they create crystals of various sizes and shapes.

Learn More: Babble Dabble Do

38. Separate Your Water

This chemistry experiment helps your kiddos to understand that water is a combination of two different gases! Challenge them to separate the two gases by first of all researching the best way to do this! It may take several attempts before they find the approach that actually works! 

Learn More: Navigating By Joy

39. Make Your Own Spectrometer

This amazing science project allows your learners to build and use their own spectrometers. Using all recycled materials and following a simple set of instructions, they’ll be able to observe different light patterns within their spectrometer. What a perfect activity to investigate light! 

40. Banana DNA

Do your kiddos know that they share 50% of their DNA with a banana? Once mashed, they’ll be able to put their banana under a microscope to closely examine the strands of this DNA! They are sure to feel like real scientists as they log their observations.

Learn More: Rainy Day Mum

41. Model and Function of the Brain

Do you think it’s impossible to get hands-on when learning about the brain? Think again!  Let your students use a head of cauliflower to create a model of the brain, and then diagram each of its parts using color-coded labels. Have them use this to teach fair participants about the function of each part of our brains! 

Learn More: Pinterest

42. Environmental Oil Spill

Creating a replica of an oil spill is a great science project to teach the scientific method and spread awareness about environmental issues! Get your learners to set up this amazing visual to demonstrate the effects of an oil spill on the environment and the process involved in cleaning it up. 

43. Regrow Food from Scraps

This creative project is a great way to learn more about recycling and gardening. Have your learners use kitchen food scraps to grow a variety of fruit and vegetable plants. Encourage them to share the fruits of their labor at the science fair!! 

Learn More: Hessun Academy

44. Growing Bacteria

You want to grow bacteria!?! Yes, actually! Start your kiddos off by having them begin to swab and label samples from places in their home or classroom. Next, have them use the Bacteria Growing Kit to analyze bacterial growth on each sample and record their results so that they can determine where bacteria are thriving! 

Learn More: Our Journey Westward

45. Indoor Plant Growth

Growing plants has been done many times before, but this project has an exciting twist! Your students must use a cardboard box, light bulb, and aluminum foil to make an insulated indoor grow box! This is an opportunity to create charts that document how the box increases the plants’ growth rate. 

Learn More: Uplifting Mayhem 

46. Five Second Rule

Have you ever used the Five Second Rule? Have your little scientists test just how safe this well-known rule is by setting up six experimental groups – a control group and five groups representing different time spans for dropped food. They’ll compare the microbes grown on the samples to find out if this is really a rule to live by! 

Learn More: ScienceNewsExplore

47. Egg Drop Contest

The time-tested egg drop challenge is a great way to inspire the future engineer in your students. They’ll design multiple contraptions that hold an egg and protect it during a fall! Which of their contraptions will result in the least egg damage? 

Learn More: Teachers Pay Teachers  

48. Geometry Roller Coaster

This roller coaster experiment is the perfect science project to incorporate plenty of geometry while also having a lot of fun! Using paper, tape, and some accurate measurements, they’ll construct their very own roller coasters and then conduct test runs with marbles!

Learn More: Teaching High School Math

 49. Lung Model and Tobacco Prevention 

By building a model lung, your kiddies will be able to share the effects of tobacco, educating others about this important topic. Using a recycled bottle, balloons, straws, and tape, they’ll make a mock lung to show how it is affected by the use of tobacco. 

Learn More: Surviving A Teacher’s Salary

50. Potato Power

Does the type of potato matter when hooked up to a battery to conduct power? This science project will help solve that puzzle and put a new spin on this classic science project! Your kiddos will focus on circuits and electricity, and test different potatoes to determine which type conducts electricity best.

Learn More: Mom Dot

51. Egg Floating in Salt Water

Here’s another great way to demonstrate your learners’ understanding of scientific testing methods! Challenge them to discover how much salt it takes to make an egg float! They can try out different amounts of salt, documenting the entire scientific process and reporting on whether or not the hypothesis checked out! 

52. Soil Degradation Experiment 

This super interesting project will be an eye-opener for your class! Guide them to set up different mock environments and show the effects on water when the soil is disrupted and soil degradation occurs. They can use recycled jugs and water bottles to set up this experiment. 

Learn More: Geography Pods

53. Why Do Apples Turn Brown?

Teach your kiddies more about oxidation and preservation with this fun project! After they’ve researched why apples turn brown, have them test different substances to add, and see if any will preserve the apples longer. They could add vitamin C, honey, water, vinegar, or any other substances they’d like to test! 

Learn More: Left Brain Craft Brain

54. Fastest Way to Cook a Potato

Give your students a master class in the process of the scientific method! This project will see them testing out seven different methods of cooking potatoes in either an oven or microwave. After they determine which method is quickest, they can display their process and findings at the science fair! 

Learn More: Left Brain Craft Brain 

55. Water Pollution Experiment 

Your students will benefit from student choice when setting up and carrying out this experiment. Have them start by collecting water and treating it according to the plan they’ve come up with, and then use microscopes to observe changes in the water as bacteria begin to grow. 

Learn More: Layers of Learning

 56. Composting

Discover the wonders of decomposition with this composting cups project. Over time, your kiddies will observe the process of natural recycling right before their eyes! By adding a small amount of water each day, the bacteria in the composting cups will work its magic!

Learn More: The Happy Housewife

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25 Interesting 9th-Grade Science Project Ideas

By Beth Roberts | Last Updated May 4, 2022

The only thing stopping you from thinking of a worthy project for 9th-grade science class is your lack of inspiration. Trust us; we’ve got plenty of ideas to get you started. We have learned that at this level through trial and error. Ready to have some fun and get your hands dirty? Here are 25 of the most interesting 9th-grade science project ideas.

1. Floating Rice 

The floating Rice project is a classic and interesting one at that. It’s simple, it’s fun, it’s cheap, and most importantly – it works. This is suitable for 9th-grade rooms if your students are still interested in scientific experiments after being exposed to formulae and equations.

2. Hydroponic Garden 

Hydroponic Garden is another exciting option to explore . You can get an aquarium and use it to grow plants, or use an enormous container, such as the ones you can buy from a hardware store, mix the soil yourself or simply buy soil from somewhere else. You will have to have a water source for the container that is kept moist throughout the day.

3. Crystal Powered Radio 

Crystal Powered Radio is a classic and exciting project for 9th-grade science students. It is fun to do, cheap, and it can be in a space as small as a classroom. You will need some crystals or stones and an AM transmitter that you can build on your own.

4. Plastic Bottle Bridge 

If you are on the quest for interesting 9th-grade science project ideas , you need to let your students explore this fun and interesting little project. It is cheap, easy to do, it can be indoors and outdoors, and most importantly – your students will learn a lot from this.

5. Apple Wrecking Ball 

Apple Wrecking Ball is another cheap and fun project. It is simple, requires very few resources, and can be indoors and outdoors. Your students will need nothing other than a few apples, some ping pong balls, and a string. It may not appear to be a particularly engaging project at first glance, but it investigates a variety of fascinating topics, including pressure, to mention just one.

6. The Chemistry Of Colorful Fire 

The Chemistry of Colorful Fire is a project for 9th-grade science students interested in chemistry and physics. It is simple, requires very few resources, and can be indoors and outdoors. 

7. Optical Illusions In Color And Black & White 

Optical Illusions in Color and Black & White is an exciting project to explore for 9th-grade students. The project is pretty simple, and indoors or outdoors. In addition to its educational value, your students will have a blast while trying it out on their friends, even if they are unsure what they are doing.

8. Rubber Band Car 

Rubber Band Car is another exciting project for 9th-grade science students. You need nothing more than some rubber bands, some toothpicks, and a few other things to make it work. The idea is simple, and the assembly process is straightforward. Your students will enjoy doing something like this without knowing that they are learning something simultaneously.

9. Earthquake Science 

This is an excellent project for 9th-grade science students , mainly if they are interested in geology. It is cheap and fun, and it is safe to conduct outdoors. However, keep in mind that your students will have to know how to read the signs and take some time to play around with their creation before trying it out on an unsuspecting person.

10. Forensic Fingerprints 

If you have a 9th-grade science class interested in criminal investigation and forensics, then the Forensic Fingerprints project is what you need. It is suitable for the more advanced students in this group, and it can be both indoors and outdoors.

11. Effects Of Antibiotics On Bacteria 

Effects of Antibiotics on Bacteria is a fun and interesting 9th-grade science project idea. Students will be able to observe the effects of antibiotics on bacteria by growing the bacteria in an environment with and without the drug.

12. Glowing Water 

Glowing water is an easy and fun experiment that you can do at home. You can use this as a science fair project for 9th-grade science class or just have your kids learn about glowing water as an interesting 9th-grade science project idea.

13. Candy Lab 

Candy Labeling is a fun and interesting 9th-grade science project idea. You can have your students label the types of candy in a jar that resembles a rainbow. This will also help them to become more confident with marking things.

14. Rain Or Snow: Which Is More Acidic? 

Rain or Snow: Which is more Acidic? This is an interesting 9th-grade science project idea. You can have your students compare the amount of acid produced by rain vs. snow on apples. This will let them know the differences and similarities between rain and snow.

15. Is A Dense Fruit A Healthy Fruit? 

Is a Dense Fruit a Healthy Fruit? is an interesting 9th-grade science project idea to let students know about fruits’ density and nutritional value. Students will be able to check the thickness of different fruits and correlate it with their nutritional value and their density. This will help them to determine the health benefits of these fruits.

16. Effect Of Acid Rain On Seedling Germination 

Effect of Acid Rain on Seedling Germination is a fun and interesting 9th-grade science project idea. You can have your students test different species of seedlings in an environment with and without acid rain. This will let them know the effects of acid rain on seedlings used for farming.

17. How Do Roots Grow When The Direction Of Gravity Changes? 

How Do Roots Grow When the Direction of Gravity Changes? This is an interesting 9th-grade science project idea. Students will be able to observe how roots grow when gravity changes. They will keep a seedling in an environment with and without altered gravity. This will show them how hearts react in different kinds of environments. 

18. Electromagnetism 

Electromagnetism is an interesting 9th-grade science project idea. It can be a fun and exciting experiment for your students to observe the effects of electromagnetism on a coiled plastic wire. This will let them know the results of electromagnetism on us daily.

19. Rubber Band Racer 

Rubber Band Racer is an interesting 9th-grade science project idea that lets the students know about the relationship between the mass, speed, and tension of a rubber band. This will help them to understand how their cars work. They will create a roller coaster with rubber bands instead of rails.

20. Flaming Torch 

Flaming Torch is an exciting 9th-grade science project idea that lets the students know about the relationship between pressure, temperature, and volume of gas. They will be able to create a flaming torch with a bicycle pump attached to a balloon. They can perform some other experiments with this flaming Torch as well.

21. Flying Tea Bag 

Flying Tea Bag is a fun experiment enjoyed by kids and adults alike. This simple experiment will enthrall your audience and make them wonder how a teabag can fly. All you need are some tea bags and some rubber bands. You want to stretch the rubber band over the teabag, preferably around the middle portion of the pack. Then, you want to let it go by pulling off the rubber band in a quick motion.

22. Pressure Bottle Rocket  

This is a simple rocket experiment . You need to take a two-liter plastic soda bottle, something to hold the end, and fill it with water or air. Make sure you don’t accidentally throw it into the fire and have a huge mess. Take a strip of aluminum foil and wrap it around the bottle cap to ensure it doesn’t fly off when you light the bottle.

23. Origami Sightings 

Origami is an art that anyone can do . And with this experiment, you can show your audience that paper can fly. All you need are some sheets of paper and scissors to do this. You can also use a larger sheet of paper if you’d like. Fold the sheet along the natural crease to form wings. Then take the report and fasten it onto a wall or ceiling using glue, tape, or nails and strings.

24. Chemistry Of Ice-Cream Making 

Chemistry of Ice-Cream Making is a fun experiment that you can do using ice cream or yogurt. It’s an easy experiment, and your class can enjoy watching it get warmer as the chemical reaction occurs. You need some sugar, food coloring, and water with a spoon. Put the sugar in the scoop and add food coloring gradually. Keep stirring until the color throughout the mixture. Then add water bit by bit until you have a spoonful of liquid.

25. Levitating With Eddy Currents

Eddy currents are conductive materials used in many applications such as motors, speakers, satellites, or microwave ovens. They are also used to detect changes in the density of liquids. In this experiment, you will use eddy currents to levitate objects using water and paint. You will need a bowl of water and some paint for the project. 

Avoid These 5 Common Homeschooling Mistakes! 🚸

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12 Science Projects for 9th Graders (Ages 14 – 15)

Science Project 1: Homemade Barometer

Materials Needed:

• Rubber band

Procedure: Step 1: Cut the neck off the balloon and stretch the balloon over the mouth of the jar, securing it with a rubber band. Step 2: Tape one end of the straw to the middle of the balloon surface to act as an indicator. Step 3: Place the index card behind the jar and mark where the straw points. This barometer will respond to atmospheric pressure changes, moving the straw.

Science Project 2: Lemon Battery

• Copper coins or copper strips
• Zinc nails or galvanized nails
• Alligator clip wires
• LED light or small bulb
• Voltmeter (optional)

Procedure: Step 1: Insert a copper coin and a zinc nail into each lemon, making sure they don’t touch. Step 2: Connect lemons with alligator clips, attaching the copper of one lemon to the zinc of another. Step 3: Connect the free copper coin and zinc nail to the LED light. The chemical reaction should produce enough electricity to light it up.

Science Project 3: Water Purification System

• A clear plastic bottle (cut in half)
• Sand (coarse and fine)
• Coffee filter or cloth
• Activated charcoal (from pet store)
• Clean cup or container
• Muddy water (for testing)

Procedure: Step 1: Invert the top half of the bottle into the bottom half. Step 2: Layer coffee filter, activated charcoal, fine sand, coarse sand, and gravel into the inverted bottle top. Step 3: Pour muddy water through your filtration system into the clean container. Observe how sediments and impurities are removed.

Science Project 4: Crystal Growth Experiment

• Borax powder (found in laundry aisle)
• Pipe cleaners
• Pencil or stick
• Mason jar or any glass container
• Boiling water
• Spoon for stirring

Procedure: Step 1: Shape pipe cleaners into any form you like and attach them to a pencil. Rest pencil on top of jar so that pipe cleaner is submerged in borax solution. Step 2: Add boiling water to jar and then add borax until it stops dissolving (saturated solution). Step 3: Suspend pipe cleaner form in solution overnight. Check back later to find crystals formed around pipe cleaner shape.

Science Project 5: Magnetic Slime

• Liquid glue (like white school glue)
• Iron oxide powder
• Borax powder
• A magnet (neodymium preferably)
• Spoon or craft stick for stirring

Procedure: Step 1: In one bowl, mix 1/2 cup glue with 1/2 cup water. Step 2: Add 2 tablespoons of iron oxide powder to the glue mixture and stir until evenly mixed. Step 3: In a separate bowl, dissolve 1 teaspoon of borax into 1 cup of warm water. Step 4: Slowly add the borax solution to the glue mixture, stirring constantly until the slime forms. Step 5: Knead the slime with your hands until it reaches the desired consistency. Step 6: Use the magnet to observe how the slime responds to magnetic fields.

Science Project 6: Plant Transpiration Experiment

• A small plant with large leaves
• Clear plastic bag
• Rubber band or string

Procedure: Step 1: Water the plant and let it sit for an hour. Step 2: Cover one of the plant’s leaves with the clear plastic bag and secure it with the rubber band or string. Step 3: Place the plant in a sunny area for a couple of days. Step 4: Observe the inside of the bag for moisture, which is evidence of the process of transpiration.

Science Project 7: Make Your Own Volcano

• Baking soda
• Food coloring (red or orange for lava effect)
• Play dough or clay to build the volcano
• A small container (like a film canister) for the reaction
• Tray to contain the mess

Procedure: Step 1: Use play dough or clay to build a volcano around the small container. Leave an opening at the top for the eruption. Step 2: Add 2 to 3 tablespoons of baking soda, a few drops of food coloring, and about a teaspoon of dish soap in the small container. Step 3: Pour vinegar into the container and watch as your volcano erupts!

Science Project 8: Solar Oven

• A pizza box
• Aluminum foil
• Plastic wrap
• Black construction paper
• Tape or glue stick
• Stick or straw to prop open the lid

Procedure: Step 1: Cut a flap in the lid of the pizza box, leaving one side attached. Step 2: Line the bottom of the box and the underside of the flap with aluminum foil, securing it with tape or glue. Step 3: Place black construction paper inside the box to absorb heat. Step 4: Cover the opening made by the lid flap with plastic wrap, creating a window. Step 5: Insulate the box with rolled up newspaper along the edges. Step 6: Place food on a plate inside the box, prop the lid open with a stick or straw, and aim the reflective flap towards the sun to cook or heat.

Science Project 9: Homemade Spectroscope

• A cardboard tube (from a paper towel roll)
• Scissors or craft knife
• Duct tape or black paper tape
• A small slit cut on one end of the tube

Procedure: Step 1: Cut a clean edge of the CD to create a reflective surface without the label. Step 2: Tape or glue the CD piece inside the bottom of the cardboard tube at a 45-degree angle with the reflective side up. Step 3: On the opposite side of the tube, create a narrow slit for the light entrance. Step 4: Point the slit at different light sources and gaze through the open end of the tube to see different spectra.

Science Project 10: Electric Play Dough

• Vegetable oil
• Lemon juice or cream of tartar
• Food coloring (optional)
• Conductive and insulating play dough recipes
• Battery pack with wires
• Light emitting diodes (LEDs)

Procedure: Step 1: Make two types of play dough – one that is conductive (with salt and lemon juice) and one that is insulating (with sugar). Step 2: Mold the conductive dough into shapes and connect LED leads into it. Step 3: Use the battery pack to introduce electricity, and arrange the insulating dough to act as a barrier between conductive pieces. Step 4: Observe the flow of electricity and how the LEDs light up when they make contact with the conductive dough.

Science Project 11: Air Pressure Can Crusher

• Empty soda can
• Stove or hot plate
• Bowl of ice water

Procedure: Step 1: Add a small amount of water to the soda can. Step 2: Heat the can on the stove or hot plate until steam is coming out of the opening. Step 3: Use tongs to quickly flip the can upside down and submerge it into the bowl of ice water. Step 4: Observe the can as it rapidly crushes due to the change in air pressure inside the can.

Science Project 12: DIY Microscope

• Smartphone with a camera
• Laser pointer lens
• Small piece of clay or poster putty
• Paper clip or small bobby pin

Procedure: Step 1: Disassemble the laser pointer to retrieve the small lens. Step 2: Use the clay or putty to attach the lens over the camera lens of the smartphone. Step 3: Bend a paper clip into a stand to hold slides (or use a bobby pin). Step 4: Place a slide with the object you want to magnify onto the stand. Adjust the distance between the slide and camera until the object comes into focus. Step 5: Take pictures or videos using the phone and observe the magnified details of the object on the slide.

There you have it, twelve engaging science projects covering various principles and disciplines, suitable for a 9th-grade level. Each addresses different scientific concepts and allows for hands-on exploration and learning.

View Our Grade 9 Lesson Plans:

• Maths Lesson Plan for Grade 9
• Science Lesson Plan for Grade 9
• Reading Comprehension Lesson Plan for Grade 9
• Vocabulary Lesson Plan for Grade 9

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STEM for Rising 9th and 10th Graders

Define, investigate and excel: Spend your time doing science, technology, engineering and mathematics.

If your idea of summer fun is a deep-dive into the STEM fields, join other rising 9th and 10th grade students who are as passionate about advancing their knowledge of the STEM disciplines as you are for two weeks of hands-on team research projects, experiments and design-build challenges.

You’ll choose from a range of interesting and engaging courses in the STEM disciplines. Each course combines rigorous academic content, laboratory or field exercises and a research project or design challenge that serves as a focus for academic work. You may also have the opportunity to engage with Brown graduate students and learn about graduate-level research projects. To complete the STEM experience, you’ll give a final presentation that showcases your project for your peers, families and instructors. You will experience the satisfaction of advanced academics and indulge your love of learning, without the pressure of formal grades.

Program Snapshot

Students completing grades 8 to 9, ages 13 to 15 by June 16, 2024

2-week program

Sunday, July 14 to Friday, July 26, 2024

Brown University campus in Providence, Rhode Island

• Focus on your interest in STEM and prepare for success in a rigorous academic environment.
• Work closely with a diverse group of peers on research projects, experiments and/or design-build challenges.
• Concentrate on learning without the pressure of formal grades.
• Live and learn at Brown with other motivated students from around the world.
• Receive a Course Performance Report and Certificate of Completion when you successfully finish.

Please note:

Due to the different structure of each program, students interested in enrolling in STEM for Rising 9th and 10th Graders (STEM 9/10) are not eligible to participate in Summer@Brown on-campus programs prior to their STEM for Rising 9th and 10th Graders program experience. In addition, students may not be enrolled in another course while in STEM 9/10. If you have questions or concerns our Program Advisors and Program Directors are here to help! Email us or call us at (401) 863-7900 during business hours (Monday to Friday, 8:30 a.m. to 4:30 p.m. EST).

Learn more about how to apply and program dates and costs.

A Typical Day

Supervision

• STEM 9/10 students gain valuable skills as they learn to navigate life in a college setting, including time management, personal maturity, independence and academic integrity. These experiences, both in and out of the classroom, will help students be more successful in their future academic pursuits.
• STEM 9/10 students are supported by a team of carefully selected Resident Assistants (RAs), Area Coordinators and professional staff members. The Brown Pre-College Student Life team oversees the safety of all students while the program is in session. RAs live in the residence hall with students. Built into a framework of support and mentorship, RAs lead floor meetings during the two-week program and facilitate ongoing community-building experiences. They also supervise students during evening and weekend "fundatory” (mandatory fun) activities.

Program Director

Abbey Aevazelis

Science Fair Guide

My WordPress Blog

9th Grade Science Fair Projects

Each experimental science project guides in this list contain all the steps you need to start and complete your science project. Information include Introduction, Question/Purpose, Variables, Sample Hypothesis, Sample Experiment designs, guides in creating data table, Graph, drawing Conclusion, writing an Abstract, writing Report. Engineering and display projects may have a different structure.

General Science Projects EX016 A Projector (Make a slide projector)

Physics Science Projects IP029 Buzzers and bells and alarms. IP110 How is paint affected by temperature changes? IP111 How does temperature affect the elasticity of rubber? IP112 How does temperature affect the strength or adherence of glue? SP011 The mathematics of snowflakes SP022 The effect of solar activity on radio propagation SP033 Observations of magnetic permeability of different materials SP061 Index of refraction of liquids versus temperature SP062 Index of refraction of liquids versus amount of additive SP071 Crystal growth rates versus solution strengths, temperature, etc SP091 Experimenting with various separation techniques (e.g. electrophoresis) SP100 Make a universal Reflector SP421 Impact force of falling object  

Chemistry Science Projects SC021 Determination of the Thickness of Zinc on a piece of Galvanized Metal SC022 Distillation of Water from an Aqueous Solution Using a Disposable Apparatus SC023 Candy Chromatography SC024 A comparison of the Solubility of Carbon Dioxide in Water at Various Temperatures SC026 A Penny’s Worth of Hydrogen SC028 Determination of the Relative Viscosities of Liquids SC029 Discover a good antifreeze (Freezing Point Depression) SC030 Reactions Between Ions In Solution Using Consumer Materials SC031 Physical Properties and Intermolecular Bonding in Solids SC035 The Effect of Temperature on the Rate of Dissolving SC037 Balloon Race (The Effect of Temperature on the Rate of Reaction) SC039 The Effect of Concentration on the Rate of a Reaction SC040 Kinetic Experiments; Effect of concentration on the rate of reactions SC042 Catalysis Using Enzymes In Pineapple SC045 Activities of Metals SC047 Electrolysis of Water without a Hoffman Apparatus SC048 Making and Testing a Simple Galvanic Cell SC049 Tracking Electrons SC050 The Chemistry of Copper Plating SC051 Production of Synthetic Fiber SC054 Ion Exchange SC055 Make Iron Sulfate, Hydroxide, Oxide SC094 A study of saponification reactions SC095 A study of esterification SC101 Electrolysis of Potassium Iodide SC102 Magnesium Research SC110 Which fruits contain the most vitamin C? SC120 Compare fruits for their sugar contents  

Biology Science Projects SB011 The effect of sound on plants SB021 Plants in different environments (light intensity, color) SB031 The effect of nicotine, air, yeast on mold growth SB041 Factors affecting the strength of hair SB042 Factors affecting the growth of bacteria SB043 Factors affecting the growth of molds or yeast SB051 Experiment with Hydroponics SB071 The effectiveness of Antiseptics and soaps on household bacteria SB091 Comparing types of artificial light on plant growth SB101 Conditions necessary for the life of a brine shrimp SB121 Producing mutations in bacteria SB122 Producing mutations in yeast SB131 Best conditions for mushroom production SB141 The effects of ultrasonic on bacteria count SB142 The effects of antibiotics on bacteria count SB161 Reaction of planaria to pH, light and temperature conditions SB162 Reaction of paramecia to pH, light and temperature conditions SB171 Plant tropisms and growth hormones SB181 Transpiration rates for different plants and conditions SB191 Sugar level in plant sap at different times and dates SB211 A study of territoriality in mice SB221 A study of the cleaning habits of mice SB251 Learning and perception in animals and humans SB261 Studies of memory span and memory retention SB271 Age versus learning ability SB281 A study of the relation between physical exercise and learning ability SB291 Is audio or visual information better remembered SB292 Brain Hemispheres. SB301 The effect of bleaching and dyeing on hair SB311 A study of the percentage of DNA (by weight) in different species SB321 Factors affecting the enzyme’s reaction rates SB341 Factors affecting seed germination (e.g. soil temperature, pH) SB361 Factors affecting flowering SB391 Factors affecting Nodule Formation in Legumes SB401 Can household compounds (e.g. tea) be used to promote good health in plants SB411 Effects of cigarette smoke on the growth of plants SB421 The effects of water impurities on plant growth SB431 The effects of phosphates on aquatic plants SB451 The effect of excess salinity on plants SB501 The effects of electromagnetic fields on plants SB531 Does magnetizing seeds before planting affect growth SB541 The effects of XRay and other radiation on plants SB551 The effect of music of varying types and duration on plants SB561 Organic fertilizer versus chemical Fertilizer SB582 Toxicity of nicotine SB601 A study of stimuli that attract mosquitoes SB611 The factors affecting the rate at which a cricket chirps SB631 A study of diffusion through cell membranes SB641 Growing plants and animals by cloning SB651 Regeneration in sponges, Paramecia, Planaria, etc. SB701 Salivary Amylase and Starch Digestion SB702 Study and Experiment with Milk SB704 Comparison of the Effects of Inorganic Catalysts and Enzymes on Peroxide Decomposition SB707 Heat Content of Snack Foods SB708 Solubility and the Percent of Oil in Peanuts SB801 Homeopathy principles, facts and fictions  

Environment Science Projects SV103 Study of adaptations of city flora to smog SV105 The effects of crowding (with the same or other species) on a certain plant SV106 Annual variations in the ecology of a body of water SV107 Study of a shoreline SV110 Study of the relation between vegetation and insects SV116 Study of air purification methods SV117 Efficient methods of breaking down crude oil in seawater SV118 Experimenting with microbial degradation of petroleum SV119 Experimenting with biodegradability SV121 Find an ink that would decompose for recycling paper SV122 Using solar energy to purify polluted or salt water SV123 Yeast: A Filtration Agent for Heavy Metals?  

Other Science Projects SE001 Design considerations for Solar Heated homes SE002 Design considerations for Solar-Cell powered homes SE003 study of propeller designs for wind generators SE004 Production of electrical energy from mechanical sources SE005 Study of efficient home insulation SE007 The effect of landscaping and architecture on energy consumption SE008 Efficiency studies on transformers SE009 The effect of temperature on resistance SE010 Study of formation of images on a T.V tube SE012 L.E.D illumination versus incandescent illumination in practice SE013 Voice communication with infrared light and fibre optics SE014 Find the maximum speed in fibre optic links SE015 Study of various phosphors in fluorescent lighting SE016 Structure versus strength in dams

HTML clipboard Note: Most projects are for more than one grade and selection depends on your previous knowledge about the subject. Do not select projects that you are not familiar with.

11 Easy Award Winning Science Fair Projects for 9th Grade

Published on march 9, 2018 at 6:08 am by sieni kimalainen in lists.

You really want to go to the science fair, but don’t have any ideas for some easy award winning science fair projects for 9th grade ? No worries, we are here to help.

So, you have decided to become a scientist. Science fairs and these projects are a great thing to get an introduction to the scientific research, method and rational way of thinking. Another great thing that you will improve compared to only attending science classes by doing science projects is developing your own ideas and transmitting them into research. You will get a nice basis of how to conduct scientific research in general.

What are those basic things you will need in order to do a scientific work? One of the important factors concerning any science is being innovative and “thinking outside the box.” That’s how you will get some innovative ideas that will push you further and maybe make some extraordinary scientific achievements.

Copyright: luckybusiness / 123RF Stock Photo

Another important thing about being a scientist means being consistent and knowing well the scientific method . A scientific method encompasses all the steps of scientific research. Let’s be clear here; there is no strict definition of what scientific method is, it will depend on many things including the field of science, goals, etc. The first step is the formulation of the hypothesis, and doing the background research in order to know what was previously done on that matter. Then, depending on the issue or problem you are working on next step that should consist of data collecting and making the experiment or model, or whatever suits your research the most. This phase would probably be the most interesting. Next steps consist of testing the hypothesis on account of the experiment/model. This is a very important part of the scientific process, and it includes data reorganization and analysis, which means giving it some meaning. This phase shows whether the hypothesis was supported or rejected by the research. The final steps represent the discussion and conclusions. But let’s not get too serious and far with this for the high school science fair project, and let’s see some ideas.

We have done our research by looking for some good easy science fair projects and 1st place high school science fair projects on places like Julian’s Science Fair , Science Project Resources , Education , and Science Buddies . We have based our research first on the easiness of the project, then adding the importance of awards (if we had the information on that) and in the end on the matter of the research question in the present day scientific community (which would affect the attractiveness of the project idea on a science fair).

Apart from ideas for the 9 th graders, there were also some good ideas on winning science fair projects for 8th grade and award winning science fair projects for 7th grade on the websites we have mentioned. For some higher levels science project ideas, you can check out the 12 Award Winning Science Projects for 10 th Graders . Or perhaps, if you are interested in a specific topic, like chemistry or biology you might be interested in 10 Easy Biology Science Fair Projects for High School Students .

So, let’s summarize it: you want some easy science fair projects that will win 1 st place? We have picked some for you, that have won it. But try to be innovative and think of something on your own. But for the first try, go through and pick some of the easy award winning science fair projects for 9th grade we have picked for you.

11. Efficiency and the effect of geothermal energy use on the environment

Field: earth science, renewable energy

The question of natural renewable energy is an important one in the present day state of the world since we will apparently run out of non-renewable energies. Nevertheless, some renewable energy sources are better than others, obviously both in terms of the energy and impact on the environment. And with this project, you will do a research on the efficiency of geothermal sources and their impact on the environment.

Pixabay/Public Domain

Slideshow List XFinance biology science project chemistry science project psychology science project engineering science project biotechnology science project good easy science fair projects renewable energy science project winning science fair projects for 8th grade winning science fair projects for 6th grade 1st place high school science fair projects Power of suggestion winning science project Human genome project winning science project science fair projects that will win 1st place award winning science fair projects for 7th grade award winning science fair projects for 11th grade 12 award winning science projects for 10th graders 11 easy award winning science fair projects for 9th grade What influences faster hair growth? winning science project 10 easy biology science fair projects for high school students Plexiglas vs. glass strength comparison winning science project What medium is best for resolving the mold? winning science project Which wheels are the best Case study skateboards winning science project Effect of temperature on metal corrosion Case study of aluminium winning science project Effect of antibiotics on gram positive and gram negative bacteria winning science project Efficiency and the effect of geothermal energy use on the environment winning science project Natural insect repellent winning science project Do multiple rotors enhance the electrical output of windmills? winning science project Show more... Show less

Good Science Research Topics for Ninth Graders

Ideas for Nutrition Class Projects

Research papers are a natural way for students to take ownership of learning, offering chances to explore areas of personal interest. However, the research process can be daunting, especially for ninth graders. To excite students about their choices and avoid pre-writing paralysis, think through some teen-friendly science research topics that will motivate them to dig deep with genuine curiosity.

Youth Issues

Some ninth graders take biology, so consider science topics related to their health and bodies. Ideas include researching the positive and negative effects of ADD medications on high school students, how legalized marijuana will affect teenage populations or the effect of college sports injuries on players' long-term health. Since most teenagers feel desperate for sleep, they also might find it interesting to research the effects of sleep deprivation on various health issues, from memory and brain function to weight gain.

Local Issues

Another way to make research more engaging is to focus on local issues affecting the school community, the neighborhood or students' families. Students can delve into the health effects of processed food and compare their findings to the lunch offerings at school, or they can evaluate the availability of processed food in snack machines. If your students live in an area susceptible to hurricanes or tornadoes, they might be interested in researching the effects of climate change on the frequency of natural disasters.

Topical Issues

Have students scour the news as they brainstorm ideas. Such stories are often posted on social media. The story of a science journalist who refuses to fly on planes, for example, could lead to a research paper about carbon footprints: how they are calculated, what activities have the greatest effect, the average American carbon footprint. Similarly, a flu outbreak could lead to a research paper about the way diseases spread in a global society.

Ideas in Action

Students will be more engaged in their topics if they can test ideas. Have students design and conduct simple experiments to corroborate or refute the information they find in secondary sources. For example, in a research paper about the causes and effects of Americans' carbon footprints, students could track their own carbon footprints, comparing them to the national average. A research paper about the health effects of sleep deprivation could incorporate data from a student-designed survey about their peers' sleep habits. Conducting scientific research in addition to consulting outside sources engages students and makes their finished work more compelling.

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Based in Chicago, Ginger O'Donnell has been writing education and food related articles since 2012. Her articles have appeared in such publications as "Dance Teacher Magazine" and "Creative Teaching and Learning." In addition, Ginger enjoys blogging about food, arts and culture on swirltocoat.com. She holds a Bachelors of Arts in Performance Studies from Northwestern University and a Masters of Arts in Teaching from Webster University.

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100 Interesting Research Paper Topics for High Schoolers

What’s covered:, how to pick the right research topic, elements of a strong research paper.

• Interesting Research Paper Topics

Composing a research paper can be a daunting task for first-time writers. In addition to making sure you’re using concise language and your thoughts are organized clearly, you need to find a topic that draws the reader in.

CollegeVine is here to help you brainstorm creative topics! Below are 100 interesting research paper topics that will help you engage with your project and keep you motivated until you’ve typed the final period. 

A research paper is similar to an academic essay but more lengthy and requires more research. This added length and depth is bittersweet: although a research paper is more work, you can create a more nuanced argument, and learn more about your topic. Research papers are a demonstration of your research ability and your ability to formulate a convincing argument. How well you’re able to engage with the sources and make original contributions will determine the strength of your paper. 

You can’t have a good research paper without a good research paper topic. “Good” is subjective, and different students will find different topics interesting. What’s important is that you find a topic that makes you want to find out more and make a convincing argument. Maybe you’ll be so interested that you’ll want to take it further and investigate some detail in even greater depth!

For example, last year over 4000 students applied for 500 spots in the Lumiere Research Scholar Program , a rigorous research program founded by Harvard researchers. The program pairs high-school students with Ph.D. mentors to work 1-on-1 on an independent research project . The program actually does not require you to have a research topic in mind when you apply, but pro tip: the more specific you can be the more likely you are to get in!

Introduction

The introduction to a research paper serves two critical functions: it conveys the topic of the paper and illustrates how you will address it. A strong introduction will also pique the interest of the reader and make them excited to read more. Selecting a research paper topic that is meaningful, interesting, and fascinates you is an excellent first step toward creating an engaging paper that people will want to read.

Thesis Statement

A thesis statement is technically part of the introduction—generally the last sentence of it—but is so important that it merits a section of its own. The thesis statement is a declarative sentence that tells the reader what the paper is about. A strong thesis statement serves three purposes: present the topic of the paper, deliver a clear opinion on the topic, and summarize the points the paper will cover.

An example of a good thesis statement of diversity in the workforce is:

Diversity in the workplace is not just a moral imperative but also a strategic advantage for businesses, as it fosters innovation, enhances creativity, improves decision-making, and enables companies to better understand and connect with a diverse customer base.

The body is the largest section of a research paper. It’s here where you support your thesis, present your facts and research, and persuade the reader.

Each paragraph in the body of a research paper should have its own idea. The idea is presented, generally in the first sentence of the paragraph, by a topic sentence. The topic sentence acts similarly to the thesis statement, only on a smaller scale, and every sentence in the paragraph with it supports the idea it conveys.

An example of a topic sentence on how diversity in the workplace fosters innovation is:

Diversity in the workplace fosters innovation by bringing together individuals with different backgrounds, perspectives, and experiences, which stimulates creativity, encourages new ideas, and leads to the development of innovative solutions to complex problems.

The body of an engaging research paper flows smoothly from one idea to the next. Create an outline before writing and order your ideas so that each idea logically leads to another.

The conclusion of a research paper should summarize your thesis and reinforce your argument. It’s common to restate the thesis in the conclusion of a research paper.

For example, a conclusion for a paper about diversity in the workforce is:

In conclusion, diversity in the workplace is vital to success in the modern business world. By embracing diversity, companies can tap into the full potential of their workforce, promote creativity and innovation, and better connect with a diverse customer base, ultimately leading to greater success and a more prosperous future for all.

Reference Page

The reference page is normally found at the end of a research paper. It provides proof that you did research using credible sources, properly credits the originators of information, and prevents plagiarism.

There are a number of different formats of reference pages, including APA, MLA, and Chicago. Make sure to format your reference page in your teacher’s preferred style.

• Analyze the benefits of diversity in education.
• Are charter schools useful for the national education system?
• How has modern technology changed teaching?
• Discuss the pros and cons of standardized testing.
• What are the benefits of a gap year between high school and college?
• What funding allocations give the most benefit to students?
• Does homeschooling set students up for success?
• Should universities/high schools require students to be vaccinated?
• What effect does rising college tuition have on high schoolers?
• Do students perform better in same-sex schools?
• Discuss and analyze the impacts of a famous musician on pop music.
• How has pop music evolved over the past decade?
• How has the portrayal of women in music changed in the media over the past decade?
• How does a synthesizer work?
• How has music evolved to feature different instruments/voices?
• How has sound effect technology changed the music industry?
• Analyze the benefits of music education in high schools.
• Are rehabilitation centers more effective than prisons?
• Are congestion taxes useful?
• Does affirmative action help minorities?
• Can a capitalist system effectively reduce inequality?
• Is a three-branch government system effective?
• What causes polarization in today’s politics?
• Is the U.S. government racially unbiased?
• Choose a historical invention and discuss its impact on society today.
• Choose a famous historical leader who lost power—what led to their eventual downfall?
• How has your country evolved over the past century?
• What historical event has had the largest effect on the U.S.?
• Has the government’s response to national disasters improved or declined throughout history?
• Discuss the history of the American occupation of Iraq.
• Explain the history of the Israel-Palestine conflict.
• Is literature relevant in modern society?
• Discuss how fiction can be used for propaganda.
• How does literature teach and inform about society?
• Explain the influence of children’s literature on adulthood.
• How has literature addressed homosexuality?
• Does the media portray minorities realistically?
• Does the media reinforce stereotypes?
• Why have podcasts become so popular?
• Will streaming end traditional television?
• What is a patriot?
• What are the pros and cons of global citizenship?
• What are the causes and effects of bullying?
• Why has the divorce rate in the U.S. been declining in recent years?
• Is it more important to follow social norms or religion?
• What are the responsible limits on abortion, if any?
• How does an MRI machine work?
• Would the U.S. benefit from socialized healthcare?
• Elderly populations
• The education system
• State tax bases
• How do anti-vaxxers affect the health of the country?
• Analyze the costs and benefits of diet culture.
• Should companies allow employees to exercise on company time?
• What is an adequate amount of exercise for an adult per week/per month/per day?
• Discuss the effects of the obesity epidemic on American society.
• Are students smarter since the advent of the internet?
• What departures has the internet made from its original design?
• Has digital downloading helped the music industry?
• Discuss the benefits and costs of stricter internet censorship.
• Analyze the effects of the internet on the paper news industry.
• What would happen if the internet went out?
• How will artificial intelligence (AI) change our lives?
• What are the pros and cons of cryptocurrency?
• How has social media affected the way people relate with each other?
• Should social media have an age restriction?
• Discuss the importance of source software.
• What is more relevant in today’s world: mobile apps or websites?
• How will fully autonomous vehicles change our lives?
• How is text messaging affecting teen literacy?

Mental Health

• What are the benefits of daily exercise?
• How has social media affected people’s mental health?
• What things contribute to poor mental and physical health?
• Analyze how mental health is talked about in pop culture.
• Discuss the pros and cons of more counselors in high schools.
• How does stress affect the body?
• How do emotional support animals help people?
• What are black holes?
• Discuss the biggest successes and failures of the EPA.
• How has the Flint water crisis affected life in Michigan?
• Can science help save endangered species?
• Is the development of an anti-cancer vaccine possible?

Environment

• What are the effects of deforestation on climate change?
• Is climate change reversible?
• How did the COVID-19 pandemic affect global warming and climate change?
• Are carbon credits effective for offsetting emissions or just marketing?
• Is nuclear power a safe alternative to fossil fuels?
• Are hybrid vehicles helping to control pollution in the atmosphere?
• How is plastic waste harming the environment?
• Is entrepreneurism a trait people are born with or something they learn?
• How much more should CEOs make than their average employee?
• Can you start a business without money?
• Should the U.S. raise the minimum wage?
• Discuss how happy employees benefit businesses.
• How important is branding for a business?
• Discuss the ease, or difficulty, of landing a job today.
• What is the economic impact of sporting events?
• Are professional athletes overpaid?
• Should male and female athletes receive equal pay?
• What is a fair and equitable way for transgender athletes to compete in high school sports?
• What are the benefits of playing team sports?
• What is the most corrupt professional sport?

Where to Get More Research Paper Topic Ideas

If you need more help brainstorming topics, especially those that are personalized to your interests, you can use CollegeVine’s free AI tutor, Ivy . Ivy can help you come up with original research topic ideas, and she can also help with the rest of your homework, from math to languages.

Disclaimer: This post includes content sponsored by Lumiere Education.

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A List Of Good Research Paper Topics For 9th Grade Students

9th-grade students often write research papers in different subjects. One of the most important steps of such assignments is to choose a good topic. You should write about something interesting and meaningful. If you have difficulties with selecting topics for your papers, here is the list of decent suggestions that you may use:

• Homeschooling.

Investigate this topic and illustrate the advantages and disadvantages of studying at home with individual tutors.

• Influence of the Internet.

Are modern children more socialized or smarter due to the Internet? Are there any serious negative factors that come with the advantages of the worldwide web?

• Alternative medicine.

Do your research and make your statement on whether alternative medicine really works or it’s just a fraud.

• Body language.

Investigate the differences between the body languages of men and women. Try to explain why we act differently in the same environment.

• Marketing to children.

Raise your arguments to prove that using marketing methods to sell products to children is unethical. You may take the opposite stance too.

• Interracial marriages.

Give substantial evidence to prove that interracial marriages aren’t bad and that they strengthen the bonds between different cultures.

• Single gender schools.

Raise your arguments for or against the statement that children study better at boys-only or girls-only schools.

What should be done to make people understand that it’s dangerous to consume alcohol in large quantities? What ways can you propose?

• Animal rights.

What rights should animals have? What punishments should the people who violate animal rights suffer?

• Sports and doping.

Do your research and raise your arguments to prove that using doping won’t bring an athlete any good. What are the consequences?

• Censorship in the United States.

How has censorship in the country changed over the years? Are these changes for the good or for the bad?

Raise your arguments to prove that four-year colleges are better than two-year colleges. You may also take the opposite stance.

• Cyber-bullying.

Can it be considered a crime? What should be made to reduce the number of cyber-bullies in social networks?

• Plastic surgery.

Should it be applied only in the case of serious damage to the appearance of a patient? Many people go too far using the services of plastic surgeons nowadays.

You may use one of these topics to write your own paper. You may also use them as an inspiration to come up with other original ideas.

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