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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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Make a backbone model to explore human anatomy and life science.
Third Grade
Easy
Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.
Elementary School
Fourth Grade
Examine whether distilled water, spring water, or regular tap water yield faster plant growth.
Elementary School
Fourth Grade
Discover whether cold or hot water from the faucet will boil faster on the stove.
Elementary School
Second Grade
This science fair project idea investigates if fats add to the flavor of food.
Elementary School
Second Grade
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Elementary School
Third Grade
This science fair project idea  investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Elementary School
Fourth Grade
This science fair project idea explores how length affects the weight a bridge can hold.
Elementary School
First Grade
This science fair project idea investigates how color affects temperature.
Elementary School
Third Grade

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