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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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This science fair project idea investigates if fats add to the flavor of food.
Third Grade
Elementary School
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Third Grade
Elementary School
This science fair project idea explores how length affects the weight a bridge can hold.
Third Grade
Elementary School
This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.
Third Grade
Elementary School
In this project, the affects of vitamin E are observed on a rose petal.
Third Grade
Elementary School
This science fair project idea investigates how color affects temperature.
Third Grade
Elementary School
This science fair project idea demonstrates that plants give off water.
Third Grade
Elementary School
This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.
Third Grade
Elementary School
This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Third Grade
Elementary School
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
Third Grade
Elementary School
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Third Grade
Fourth Grade
Explore light and colors with this fun and easy project! The purpose of this science fair project is to investigate how light makes colors.
Third Grade
Kindergarten

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