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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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In this free science fair project idea, we immerse a sponge in tap water, and the sponge expands. We then figure out why the sponge expanded.
Expander: What Happens to a Latex Sponge in Water?
Elementary School
Physics
In this science fair project, find out what materials are attracted to magnets by using items around the house like: aluminum foil, glass marble, and more!
Stickers: What Materials are Attracted to a Magnet?
Elementary School
Physics
In this free science fair project idea, we construct a machine that uses and axle and wheel to lift a load.
Around-n-Around: How is a Wheel and Axle Similar to a Lever?
Elementary School
Physics
Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.
Cast Iron Pans Versus Regular Teflon Pans
Elementary School
Physics
In this free science fair project idea, we construct a machine that consists of two gears, which turn to change the direction of force
Toothy: How Are Gears Used to Change Movement From One Direction to Another?
Elementary School
Physics
In this free science fair project idea,
Moveable: What Is a Movable Pulley, and How Does it Help You to Lift Objects?
Elementary School
Physics
This science fair project idea demonstrates demonstrate how denser (heavier) objects fall faster than light objects.
Gravitational Forces for Preschoolers
Elementary School
Physics
This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.
Retrograde Mode
Elementary School
Physics
In this free science fair project idea, we construct a machine that uses a fixed pulley system to raise a flag.
Flag Raiser: What is a Fixed Pulley, and How Does it Make Your Work Easier?
Elementary School
Physics
You can huff and puff, but no matter how many times you blow a bubble, it always ends up round. Is it possible to trick the forces of nature that make your bubbles round, so that you can blow a square bubble?
Is it Possible to Blow a Square Bubble?
Physics
Second Grade
In this free science fair project idea, we use an inclined plan to lift a book with less force than otherwise.
Uphill: How Does an Inclined Plane (a Flat, Sloping Surface) Make Lifting an Object Easier?
Elementary School
Physics
In this free science fair project idea, we make our own megapinchers levers to help us lift and move objects, and we learn about different classes of lever
Megapinchers: How Do Levers Reduce The Force You Apply To Them?
Elementary School
Physics
This project tests the hypothesis that dark colors absorb more heat than light colors.
Color Me Hot!
Elementary School
Physics
In this free science fair project idea we learn about how the human arm is a third-class lever.
Human Machine: How is Your Forearm Like a Third-Class Lever?
Elementary School
Physics
This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Let The Sun Shine In!
Elementary School
Physics

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