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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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This science fair project idea explores the fastest average speed a human can talk.
How Fast Can You Talk With Accuracy?
Physical Science
Middle School
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
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
How Does a Compass Work?
Physics
Elementary School
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
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?
Physics
Elementary School
Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.
A Glass Symphony
Physical Science
Elementary School
This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.
Create Your Own Amusement Park with Simple and Compound Machines
Physical Science
Elementary School
Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.
Forensic Entomology and the Life Cycle of the Blowfly
Physical Science
First Grade
The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.
Do frozen vegetables have more nutrients than canned?
Chemistry
High School
In this science fair project, students test how objects float and sink in liquids of different densities.
Layers Upon Layers: Testing How Objects Interact with Liquids
Physics
Elementary School
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
This science fair project idea determines the most effective method of preserving food.
Preserving Foods
Physical Science
Elementary School
The goal of this science fair project idea is the examine the effectiveness of various sunscreens in blocking UV light.
Which Sunscreen is the Most Effective in Blocking UV Light?
Chemistry
Elementary School

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