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Elementary School Science Fair Project Ideas

Education.com's elementary school science fair projects expose kids to a broad range of opportunities for scientific inquiry, arming them with the tools and knowledge they need to answer their questions about the world around them. Elementary school science experiments are a great way to demonstrate important concepts in physics and chemistry, while our elementary school science fair project ideas equip kids with carefully explained procedures that yield enlightening results.

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This science fair project idea produces varying pitches of sound.
Elementary School
Fourth Grade
Crayons aren't just good for creating colorful masterpieces -- they're also great for science!
Third Grade
Chemistry
Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
Fifth Grade
Botany
Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!
Elementary School
Aerodynamics
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Second Grade
Physical Science
How powerful is the reaction between baking soda and vinegar? Find out here!
Third Grade
Chemistry
In this free science fair project, learn how oxygen changes rock into an orange or reddish brown colors.  Use Education.com for science fair project ideas!
Elementary School
Geology
Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.
Second Grade
Psychology and Sociology
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Third Grade
Psychology and Sociology
Is it a square or a circle? See if you can trick your friends with this zany science project!
Second Grade
Psychology and Sociology
Will the shape of an ice cube impact how fast the ice melts?
Fifth Grade
Physics
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
Fourth Grade
Chemistry
Discover flight initiation distance as you play around in the park with this fun bird watching project!
Third Grade
Zoology

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