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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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In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Botany
Fourth Grade
What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.
Anatomy
Third Grade
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Botany
Fourth Grade
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Anatomy
Fourth Grade
Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.
Zoology
Fourth Grade
This science fair project examines how seeds hitchhike on animals and clothing.
Elementary School
Botany
What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!
Botany
Fifth Grade
Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.
Zoology
Third Grade
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Botany
Second Grade
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
Elementary School
Life Science

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