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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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Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.
Fourth Grade
Fifth Grade
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Second Grade
Third Grade
Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.
Second Grade
Third 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
This project tests the hypothesis that dark colors absorb more heat than light colors.
Elementary School
Second Grade
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Second Grade
Third Grade
Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.
Fourth Grade
Fifth Grade
This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.
Elementary School
Medium
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Elementary School
Fourth Grade
Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.
Fifth Grade
Sixth Grade
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Fifth Grade
Sixth Grade
This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.
Elementary School
First Grade

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