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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 examines whether boys and girls differ in reflexes.
Elementary School
Fourth Grade
In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.
Elementary School
Fourth Grade
This science fair project idea investigates how magnetism can defy the force of gravity.
Elementary School
Second Grade
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Third Grade
Fourth Grade
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
Elementary School
Fourth Grade
With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.
Fourth Grade
Easy
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Elementary School
Third Grade
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Second Grade
Physical Science
Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.
Elementary School
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
Can you fool your eyes and your brain with an optical illusion?  The purpose of this science fair project is to demonstrate various kinds of optical illusions.
Elementary School
Kindergarten
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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