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Elementary School Physics Science Fair Project Ideas

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

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The objective of this science fair project is to explore which factors influence the height of a ball bounce.
Bouncing Ball Physics
Elementary School
Physics
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
Young physicists will wrestle with a discrepant eventâthe Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.
Hammer Ruler Trick
Physics
Fifth Grade
Using a nine-volt battery to create an electrical field around a nail, students make their own electromagnet.
DIY Electromagnet
Physics
Fourth Grade
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!
Elementary School
Physics
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 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
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Bridge Project
Elementary School
Physics
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?
Elementary School
Physics
The purpose of this science fair project is to determine the strength of a magnet based on the distance it moves a magnetic toy car.
Can a Toy Car Reveal the Strength of a Magnet?
Elementary School
Physics
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
In this free science fair project idea, we make a compound microscope by putting together two magnifying lens.
Doubles: How do Objects Look Through a Compound Microscope?
Elementary School
Physics
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.
Does Length Have an Effect on Speed?
Elementary School
Physics
How Does a Compass Work?
Elementary School
Physics

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