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3rd Grade Science Fair Projects

For their 3rd grade science projects, kids begin investigating the answers to their questions much like actual scientists would. Instead of simply collecting qualitative data (describing what they observe), 3rd graders graduate to collecting and presenting quantitative data by measuring their results with increased accuracy, communicating their findings in simple charts and graphs, and describing their observations in written prose. Education.com's collection of 3rd grade science fair projects give kids the opportunity to apply their newly acquired skills to thinking critically about the world around them while having serious fun in the process. Browse our collection of third grade science projects and experiments by using the boxes to the left to filter by topic and find an exciting science project your child will be sure to love.

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The project investigates how friction affects motion by using different surface textures.
Third Grade
Physics
Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.
Third Grade
Easy
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
Third Grade
Elementary School
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
Third Grade
Elementary School
The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.
Third Grade
Elementary School
In this project, the affect of acid rain is simulated by the acid, vinegar.
Third Grade
Chemistry
The project determines which type of birds prefer which type of birdseed.
Third Grade
Zoology

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