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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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Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Fourth Grade
Botany
In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.
Fourth Grade
Geology
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Fourth Grade
Fifth Grade
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Second Grade
Food
Test whether plants can grow without sunlight and water.
Elementary School
Second Grade
Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.
Fifth Grade
Easy
This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.
Fifth Grade
Middle School
This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.
Elementary School
Fourth Grade
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Fourth Grade
Medium
Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.
Fifth Grade
Middle School

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