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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This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.
Environmental Issues
Fourth Grade
This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.
Environmental Issues
Third Grade
In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.
Environmental Issues
Fourth Grade
This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.
Environmental Issues
Second Grade
How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.
Environmental Issues
Fourth Grade

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