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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!
Engineering
Third Grade
Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.
Applied Mathematics
Fifth Grade
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Elementary School
Engineering
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Engineering
Fourth Grade
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Engineering
Second Grade
Can you dig it? This science experiment isn't for kids who like to keep their hands clean.
Engineering
First Grade
What is a three-sided polygon?  A triangle! In this free science fair project, you can learn how to make triangles using straws and paper clips.
Elementary School
Applied Science
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Engineering
Fifth Grade
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling
into the moat.
Engineering
Fourth Grade
In this free science fair project idea, we construct gears to turn a simple machine into a more complex compound machine.
Elementary School
Engineering

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