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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 your body is full of simple machines? This project looks at one of the third-class levers in the human body--your arm!
Third Grade
Engineering
In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.
Second Grade
Easy
This science fair project idea explores the different parts of the human ear and  models how the human ear reacts to sound waves.
Elementary School
Fourth Grade
What can you do with hair after its cut? This science project teaches you practical uses for human hair.
Elementary School
Fifth Grade
Make a backbone model to explore human anatomy and life science.
Third Grade
Easy
The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.
Elementary School
Middle School
What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.
Third Grade
Anatomy
This science fair project idea determines if family members can recognize one another using only the sense of smell.
Elementary School
Fifth Grade
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Fourth Grade
Easy

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