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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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Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.
Why Doesn't the Ocean Freeze?
Chemistry
Second Grade
In this free science fair experiment, we learn how scientists use sonar and sound to facilitate ocean mapping of the ocean.
Soundings: Mapping a Profile the Ocean Floor
Physics
Middle School
Science fair project that models the effect of global warming on the ocean's circulation.
Salty Ocean Circulation
Physical Science
Middle School
In this free science fair project idea, we model the movement of ocean waves and the movement of wave energy in them.
Water Waves: Surface Disturbances Due to Energy Transfer
Physics
Middle School
This science fair project examines whether ocean water can be made safe to drink.
How to Make Salt Water Drinkable
Chemistry
Middle School
Check out this fun science project to explore if sodium polyacrylate can be a possible alternative to the use of chemical dispersant in oil spill cleanups.
Which Oil is Easier to Cleanup with Diaper Powder?
Physical Science
Elementary School
In this free science fair project idea, we learn about how buoyancy keeps boats from sinking in the water.
Abandon Ship!
Physics
Middle School
Do you want to learn how to make a periscope? In this free science fair project, an easy to follow guide teaches how to make an underwater periscope.
Building a Periscope
Physics
Middle School
In this free science fair project idea, salt crystals dissolve in water, and then crystallize into epsom salt crystals.
Spindles: How Can You Observe the Natural Shape of Epsom Salt Crystals?
Chemistry
Elementary School
In this free science fair project idea, we learn about how static fluids exert force on their environment.
Static Fluids: Fluids at Rest
Physics
Middle School
In this free science fair project idea, we learn about buoyancy and how liquids push objects upward.
Buoyancy: Upward Force by Fluids
Physics
Middle School
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Do We Need Heat for Solar Power?
Physics
Middle School
With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.
Floating Rocks
Physics
First Grade
From soda and eggs to creepy crawlers and plants, science is a huge part of everyday life. Get your child excited about the science fair with these kid-friendly projects he's sure to love.
10 Science Fair Projects Kids Can't Resist (10)
Chemistry
Physics
Where is the Polaris - the North Star? Can you use the north star to find out the latitude of your home? Do this free science fair project and explore.
Use the North Star to Determine Where You Live on Earth
Physical Science
Middle School

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