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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 that exciting science project your child will be sure to love.

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In this science fair project, students use the streak test to tell minerals apart from each other.
Third Grade
Earth & Space Science
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Third Grade
Earth & Space Science
The purpose of this science fair project is to determine how moisture affects the color of soil.
Third Grade
Earth & Space Science
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
Third Grade
Earth & Space Science
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Third Grade
Earth & Space Science
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Third Grade
Earth & Space Science
This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?
Third Grade
Earth & Space Science
In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.
Third Grade
Earth & Space Science
This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.
Third Grade
Earth & Space Science

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