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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 determines if family members can recognize one another using only the sense of smell.
Elementary School
Fifth Grade
Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.
Third Grade
Easy
How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!
Fifth Grade
Electricity and Magnetism
It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.
Fourth Grade
Environmental Issues
In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.
Elementary School
Medium
Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.
Fourth Grade
Easy
How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.
Third Grade
Anatomy
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Third Grade
Medium
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Second Grade
Electricity and Magnetism

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