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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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Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.
Third Grade
First Grade
This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.
Third Grade
Elementary School
This project determines what category of person is most likely to be ticklish.
Third Grade
Elementary School
This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.
Third Grade
Elementary School
Enter the buzz worthy world of bee watching and find out what time bees like to wake up!
Third Grade
Zoology
Set off an a science adventure as you prepare a row of bee homes for your new visitors.
Third Grade
Zoology
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Third Grade
Chemistry
This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.
Third Grade
Fourth Grade
Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.
Third Grade
Food
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Third Grade
Psychology and Sociology

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