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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Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Fourth Grade
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Second Grade
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Elementary School
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Fifth Grade
What is a compound microscope? Kids find out by making one of their own in this cool science fair project.
Third Grade
What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.
Second Grade
How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.
Second Grade

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