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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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Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Fourth Grade
Botany
What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.
Fourth Grade
Easy
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
Elementary School
Kindergarten
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Elementary School
Fourth Grade
This science fair project will help students learn about non-vascular plants, such as mosses.
Second Grade
Third Grade
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
Fifth Grade
Medium
What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.
Fifth Grade
Physics
In this CD hovercraft science project, students will construct their own DIY hovercraft.
Fourth Grade
Physics
This science fair project idea explores how water and ice can change the form of rocks.
Elementary School
Geology
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Fifth Grade
Electricity and Magnetism
In this experiment, the weight of aluminum cans will be compared.
Elementary School
Third Grade

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