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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 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 students the differences between fruits and vegetables.
Elementary School
Second Grade
Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.
Second Grade
Geology
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.
Third Grade
Anatomy
In this science fair project, students create their own miniature salt flats at home.
Fourth Grade
Fifth Grade
Are there really specific taste areas of the tongue for sweet, salty, bitter, sour, and umami? Find out for yourself in this cool science project.
Fourth Grade
Easy
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Third Grade
Medium
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Fourth Grade
Weather and Climate

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