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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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In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
Fourth Grade
Easy
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Elementary School
Third Grade
This science fair project idea explores the different properties & interactions of sugar molecules.
Elementary School
Fourth Grade
Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.
Fourth Grade
Fifth Grade
Marshmallows are made of sugar, water, and air pockets.  Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?
Elementary School
Third Grade
In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.
Fourth Grade
Earth & Space Science
In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.
Third Grade
Botany
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Elementary School
Fourth Grade
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

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