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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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This simple, free and fun science fair project idea for middle school students helps study the motion of toys and explains how toys store and transfer energy.
How a Toy Stores and Transfers Mechanical Energy?
Physics
Middle School
Get this physics science project idea for advance middle school and high school students to find What Happens to a Current-Carrying Wire in a Magnetic Field?
What Happens to a Current-Carrying Wire in a Magnetic Field?
Physics
Middle School
Check out this free and fun science fair project idea for middle school students on how Newton's Third Law of Motion works by Creating a Balloon Rocket flight.
Balloon Rocket
Physics
Middle School
In this science fair project, students will construct their own hovercraft.
DIY Hovercraft
Physics
Fourth Grade
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
Make a Magnetized Compass!
Physics
Elementary School
Here is a cool and free middle school science fair project idea on how passive solar heating works and how to design and experiment with your own solar cooker.
Solar Heating and Designing of a Solar Cooker
Physics
Middle School
Here is a fun science project and demo idea for middle and high school students illustrating the Lenz's law by generating an opposing current in a conductor.
Electromagnetic Ring Tosser: Magnetic Levitation Using Induction
Physics
Middle School
In this physics project children will use heat to change the air pressure inside a bottle causing a balloon set on top of the bottle to squeeze into it.
Air Pressure Experiment
Physics
Kindergarten
This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.
What Kind Of Paper Airplane Works Best?
Physics
Middle School
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
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Fastest Way to Cool a Soda
Physics
Fourth Grade
Explore this cool physics science project idea for middle and high school students to measure the total internal reflection of transparent materials.
Explore the Total Internal Reflection of a Transparent Material Using a Laser and a Tank of Water
Physics
Middle School
What is an optical illusion? Optical illusion is your eyes is playing trick. Do this free science fair project and experiment with creating optical illusion.
Create an Optical Illusion
Physics
Middle School
The objective of this science fair project is to explore which factors influence the height of a ball bounce.
Bouncing Ball Physics
Physics
Elementary School
Examine whether males or females are more likely to have a higher center of gravity.
Girls vs. Guys: Center of Gravity
Physics
Middle School

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