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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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Showing 1 to 13 of 13
This science fair project idea  determines what household items are good conductors of electricity.
Third Grade
Elementary School
This science fair project idea determines what household items are good conductors of electricity.
Third Grade
Fourth Grade
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
Third Grade
Electricity and Magnetism
What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.
Third Grade
Anatomy
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Third Grade
Elementary School
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Third Grade
Second Grade
This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
Third Grade
Elementary School
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Third Grade
Fourth Grade
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
Elementary School
This science fair project idea examines which type of insulation holds in the most heat.
Third Grade
Elementary School

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