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Physics Science Fair Projects

Cultivate your child's inner Einstein with these physics science fair project ideas! Learn about the cool physics going on behind-the-scenes in our everyday lives. Whether you need physics science fair projects that would make Newton proud or a fun activity to inspire wonder in the universe, you've come to the right place.

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This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!
Physics
Third 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.
Physics
Elementary School
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Physics
Second Grade
The objective of this science fair project idea is to  determine if sound travels best through the air, water or a solid.
Physics
Elementary School
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Physics
Fourth Grade
This experiment will examine and precisely measure the amount of sugar in various sodas.
Physics
High School
This experiment examines if space objects become round after reaching a certain mass.
Physics
High School
This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.
Physics
Middle School

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