Elementary School Science Fair Project Ideas'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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There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Elementary School
Second Grade
The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.
Elementary School
Second Grade
In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.
Third Grade
Earth & Space Science
This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?
Third Grade
This science experiment has students test whether a snail moves faster on concrete or dirt.
Elementary School
First Grade
Learn about this simple machine and make a pulley of your own to use for fun science trials.
Second Grade
This science fair project collects information on the Internet about yourself and others.
Elementary School
Middle School
This science fair project idea examines which type of insulation holds in the most heat.
Elementary School
Third Grade
This science fair project teaches students about wilting and browning of salad greens.
Elementary School
This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.
Fourth Grade

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