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Physics Science Fair Project Ideas

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

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The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.
Hot Air Balloon Heights
Physics
Fifth Grade
This science fair project idea examines the reason boats are shaped and engineered.
Keep the Boat Afloat
Physics
Elementary School
Science fair project that determines how we can change potential energy into kinetic energy.
Back and Forth
Physics
Seventh Grade
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?
Physics
Third Grade
Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.
What's in the Box?
Physics
Seventh Grade
Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.
Distance and Angle
Physics
Fifth Grade
In this free science fair project idea, we wind a rubber band in a machine, and watch it transform potential energy into kinetic energy.
Spool-Racer: How Can a Rubber Band Transform (Change From one Form to Another) Energy?
Physics
Elementary School
Science fair project which determines whether the depth of a boat in the water changes how fast it moves and how straight it sails.
Boat Depth
Physics
Fifth Grade
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
Physics
Second Grade
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Parachutes
Physics
Elementary School
In this free science fair project idea, we use petroleum jelly and water droplets to magnify a word on a newspaper.
Water-Drop Lens: Can You Make a Magnifier out of a Water Drop?
Physics
Elementary School
In this free science fair project idea, we change the shape of a magnifying lens to change our view of an object.
Shape Up: Does the Shape of a Lens Affect its Magnification?
Physics
Elementary School
Find out which type of sponge holds the most water.
Which Type of Sponge Holds the Most Water?
Physics
Fifth Grade
In this free science fair project idea, we learn about pendulums and how they swing and oscillate at a specific rate.
Pendulum: A Harmonic Oscillator
Physics
Middle School
In this free science fair project idea, we use a jar of water as a magnifying lens to magnify the words on a newspaper
Magnifier: What is the Meaning of 2X Magnification?
Physics
Elementary School

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