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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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Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!
Second Grade
Life Science
This science fair project idea produces varying pitches of sound.
Elementary School
Fourth Grade
Looking for a way to keep your kid busy during the long, hot days of summer? These science projects will spark your young learner's curiosity going into the new school year. What's more, conducting an experiment or two is a great way to take your mind off the sweltering temperatures!
Elementary School
Physical Science
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Fourth Grade
Physics
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
How powerful is the reaction between baking soda and vinegar? Find out here!
Third Grade
Chemistry
Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.
Third Grade
Food
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Second Grade
Physical Science
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
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Fifth Grade
Chemistry
Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!
Elementary School
Aerodynamics
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

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