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Science Fair Project Ideas

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1,581 filtered results
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Magic with Magnets
Magic with Magnets
Science Project
Magic with Magnets
The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.
Science Project
Color and Heat Absorption
Color and Heat Absorption
Science Project
Color and Heat Absorption
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
3rd grade
Science Project
How to Inflate a Balloon Using Baking Soda and Vinegar
How to Inflate a Balloon Using Baking Soda and Vinegar
Science Project
How to Inflate a Balloon Using Baking Soda and Vinegar
Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.
4th grade
Science Project
Soil Porosity: Sand, Silt, and Clay
Soil Porosity: Sand, Silt, and Clay
Science Project
Soil Porosity: Sand, Silt, and Clay
In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.
Science Project
The Lipase-Bile Relationship in the Digestion of Fats & Oils (Lipids)
The Lipase-Bile Relationship in the Digestion of Fats & Oils (Lipids)
Science Project
The Lipase-Bile Relationship in the Digestion of Fats & Oils (Lipids)
This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.
Science Project
Principles of Air Pressure
Principles of Air Pressure
Science Project
Principles of Air Pressure
The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.
4th grade
Science Project
Craters! Can We Simulate How Craters Are Formed and Predict Their Size and Shape?
Craters! Can We Simulate How Craters Are Formed and Predict Their Size and Shape?
Science Project
Craters! Can We Simulate How Craters Are Formed and Predict Their Size and Shape?
The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.
Science
Science Project
Which Fruit Has the Most Vitamin C?
Which Fruit Has the Most Vitamin C?
Science Project
Which Fruit Has the Most Vitamin C?
Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!
Science
Science Project
I Double Dare You
I Double Dare You
Science Project
I Double Dare You
This science fair project idea explores edible things you didn't know you could eat.
Science Project
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
Science Project
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.
Science
Science Project
Layered Liquids (A Study in Density)
Layered Liquids (A Study in Density)
Science Project
Layered Liquids (A Study in Density)
This science fair project idea examines liquids of different densities.
4th grade
Science Project
Microwave Madness
Microwave Madness
Science Project
Microwave Madness
This science project idea examines the effect of microwaving on various objects.
4th grade
Science Project
Soap Science
Soap Science
Science Project
Soap Science
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
4th grade
Science Project
E-Z Dye Fabrics
E-Z Dye Fabrics
Science Project
E-Z Dye Fabrics
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
2nd grade
Science Project
Why Do Leaves Change Color in the Fall?
Why Do Leaves Change Color in the Fall?
Science Project
Why Do Leaves Change Color in the Fall?
This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.
Science Project
Clear or Opaque?
Clear or Opaque?
Science Project
Clear or Opaque?
This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?
3rd grade
Science Project
Does Your Tap Water Have Salt in It?
Does Your Tap Water Have Salt in It?
Science Project
Does Your Tap Water Have Salt in It?
This science project challenges students to study the salt content in tap water and learn about electrochemistry.
Science Project
Keeping Cut Flowers Fresh
Keeping Cut Flowers Fresh
Science Project
Keeping Cut Flowers Fresh
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
3rd grade
Science Project
Which Food Will Mold the Fastest?
Which Food Will Mold the Fastest?
Science Project
Which Food Will Mold the Fastest?
This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.
1st grade
Science Project
Oil-Absorbing Polymer
Oil-Absorbing Polymer
Science Project
Oil-Absorbing Polymer
Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.
Science
Science Project
Seeing Different Images in Optical Illusions! Is It a Boy or Girl Thing?
Seeing Different Images in Optical Illusions! Is It a Boy or Girl Thing?
Science Project
Seeing Different Images in Optical Illusions! Is It a Boy or Girl Thing?
The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.
Science
Science Project
Regeneration: Do Planaria Really Do It?
Regeneration: Do Planaria Really Do It?
Science Project
Regeneration: Do Planaria Really Do It?
The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.
Science
Science Project
Trashtown Junktion
Trashtown Junktion
Science Project
Trashtown Junktion
This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.
Science Project
The Effect of Irradiation on Vegetables
The Effect of Irradiation on Vegetables
Science Project
The Effect of Irradiation on Vegetables
The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.
Science
Science Project
Bounciness and Deflection
Bounciness and Deflection
Science Project
Bounciness and Deflection
This science fair project idea demonstrates the property of bouncing in a fresh new way.
Science Project
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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.