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Third Grade Physics Science Fair Project Ideas

Browse from many free third grade physics science fair project ideas. These third grade physics science fair projects are a great place to find ideas for an upcoming science fair.

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This science fair project idea investigates the difference in reaction times between boys and girls.
Reaction Time
Third Grade
Physics
The project investigates how friction affects motion by using different surface textures.
Rough Riders
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.
Folding Paper
Third Grade
Physics
The purpose of this science fair project is to explore the strength of magnets.
Are Two Magnets Twice as Strong as One?
Third Grade
Physics
In this project, waves of vibrations are experimented with using water in glasses.
One-Man Drinking Glass Band
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?
Water Splashes
Third Grade
Physics
In this project students experiment with making music using only glasses of water.
Musical Glasses
Third Grade
Physics
In this science project, the center of gravity is explored.
A Bridge to Nowhere
Third Grade
Physics
Find out whether a longer airplane will fly farther or a wider paper airplane.
Does A Longer Paper Airplane Fly Farther than a Wide One?
Third Grade
Physics
This science fair project idea demonstrates demonstrate how denser (heavier) objects fall faster than light objects.
Gravitational Forces for Preschoolers
Third Grade
Physics
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Parachutes
Third Grade
Physics
The objective of this science fair project is to determine whether centrifugal force increases at higher rotational speeds.
How Slow Can You Go Until Centrifugal Force Has No Effect?
Third Grade
Physics
This science fair project idea investigates how the shape of an object affects drag.
Don't Be A Drag
Third Grade
Physics
This project tests the hypothesis that dark colors absorb more heat than light colors.
Color Me Hot!
Third Grade
Physics
This science fair project idea examines the reason boats are shaped and engineered.
Keep the Boat Afloat
Third Grade
Physics

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