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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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Showing 16 to 30 of 36
In this science project, the center of gravity is explored.
Third Grade
Physics
This science fair project idea investigates if webbed feet help a duck (and others) swim.
Third Grade
Physics
This project tests the hypothesis that dark colors absorb more heat than light colors.
Third Grade
Physics
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Third Grade
Physics
This science fair project idea investigates which objects float and sink in honey, water, and oil.
Third Grade
Physics
This science fair project idea investigates the difference in reaction times between boys and girls.
Third Grade
Physics
The project investigates how friction affects motion by using different surface textures.
Third Grade
Physics
This science fair project idea  investigates how the shape of an object affects drag.
Third Grade
Physics
This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.
Third Grade
Physics
This science fair project idea examines the reason boats are shaped and engineered.
Third Grade
Physics
Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?
Third Grade
Physics
In this project students experiment with making music using only glasses of water.
Third Grade
Physics
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Third Grade
Physics

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