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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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Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.
Choosing a Light Bulb Filament
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
Do the human eyes see better or worse at night? What color light helps or hinders night vision? Do this free science fair project and explore these questions.
Determine Which Light Color Has the Least Effect on Night Vision
Physics
Middle School
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
Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.
Example of Newton's First Law
Physics
Fourth Grade
This science fair project idea determines how much radiation is emitted from various makes and models of cellular phones.
Electromagnetic Emissions Testing and Comparing the Nonionizing Radiation from Cellular Phones for Relative Safety
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
The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.
The Ultimate Rollercoaster
Physics
Middle 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
In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.
How Well Does Sound Travel Through a Gas? A Liquid? A Solid?
Physics
Kindergarten
What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.
What is Condensation?
Physics
Fifth Grade
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
The Speed of Sound on a String
Physics
Kindergarten
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
How to Create a Visual Doppler
Physics
Fourth Grade
Compare how much light bends in transparent materials like air and water in this interesting middle and high school physics science fair project idea.
Refraction: How Fast Does Light Travel in Air or Water
Physics
Middle School
ountain material is lost to erosion every spring as snow and ice on peaks melt. This project tests whether the rate at which the ice melts has an effect on the amount of material lost to erosion.
Melting Mountains: Do Mountains Shrink in the Heat?
Physics
Middle School

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