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Physical Science - Science Fair Project Ideas

Find the physical science, science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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Check out this fun science fair project idea for advance middle and high school students on measuring the speed of sound based on resonance in a cylinder.
Speed of Sound: Resonance in a Cylinder
Physics
Middle School
Universal indicator tests the pH value of various household chemicals. Chemicals react with H+ and OH- ions to produce color change.
pH and Color
Chemistry
Elementary School
The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.
Paper Airplanes
Aerodynamics
Elementary School
This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.
Turning Hand Warmers into Hot Ice Sculpture
Chemistry
Middle School
This science fair project idea investigates the difference in reaction times between boys and girls.
Reaction Time
Physics
Elementary School
This science fair project idea investigates which objects float and sink in honey, water, and oil.
Sinking Objects
Physics
Elementary School
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Parachutes
Aerodynamics
Physics
This science fair project idea investigates if webbed feet help a duck (and others) swim.
Duck Feet
Physics
Elementary School
This science fair project idea investigates how the shape of an object affects drag.
Don't Be A Drag
Physics
Elementary School
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Don't Rock the Boat
Physical Science
Third Grade
What affects the phases of the moon? In this free science fair project, experiment with how the position of the sun, moon, and earth affects the moon phase.
Determine How the Positions of the Sun, the Moon, and Earth Affect Moon Phases
Physical Science
Middle School
Energy From Garbage
Electricity and Magnetism
Middle School
It's oozy, it's goopy, and it's just plain fun. Snails make it, and slugs slide on it. It is soft and squishy like a liquid, but it sticks together like a solid ... it's slime! Learn how to make slime with this fun science fair project.
Make Slime! How to Create a Colloid
Chemistry
First Grade
Helicopters use pulleys to save lives during emergencies, but pulleys aren't just used for rescue. Learn about this simple machine and make a pulley of your own to use for fun science tests.
Make a Pulley
Physics
Second Grade
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

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