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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 project explores whether people's choice of a 'random' number is not as random as it seems.
Elementary School
Fourth Grade
The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!
Third Grade
Astronomy
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Elementary School
Fourth Grade
This science project teaches students to classify different shapes of leaves.
Fourth Grade
Botany
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
Test your friends to find out if you can replicate the placebo effect's incredible results.
Second Grade
Anatomy
Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.
Fourth Grade
Easy
Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Elementary School
Science Fair Project Ideas
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Fourth Grade
Electricity and Magnetism
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Second Grade
Third Grade
Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.
Elementary School
Middle School

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