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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 biodiversity project examines the biodiversity in your own backyard.
Third Grade
Medium
What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.
Fifth Grade
Medium
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Third Grade
Fourth Grade
This science fair project idea  researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
Elementary School
Fourth Grade
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Elementary School
Fifth Grade
Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.
Second Grade
Earth & Space Science
In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.
Elementary School
Kindergarten
This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.
Elementary School
Fourth Grade
Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.
Third Grade
Easy

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