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Science Fair Project Ideas

Find the physical science and psychology and sociology 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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The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.
Which Does the Brain Process First: Colors, Shapes, or Words?
Psychology and Sociology
Middle School
Here's a cool and fun science fair project idea for middle school students on the working of a filter and experimenting with filters to send secret messages.
How to use Colored Filters to Send Secret Messages
Physical Science
Physics
Examine how a battery can be made from everyday materials.
Building a Better Battery
Physics
Middle School
This science fair project idea investigates the concept that the color of an object is based on the color of light that it reflects.
Light Absorption
Physical Science
Fourth Grade
This simple, free and fun science fair project idea for middle school students helps study the motion of toys and explains how toys store and transfer energy.
How a Toy Stores and Transfers Mechanical Energy?
Physical Science
Physics
Which is bigger - the sun or the moon? Why do they appear to be the same size in the sky? Do this free science fair project and explore apparent size.
Determine Why the Sun and the Moon Appear to Be the Same Size in the Sky
Physical Science
Middle School
What is a great way to improve a building's ability to stay strong under stress? This project explores the process of bracing a building with parallelograms to improve sturdiness.
How to Retrofit a Building
Physics
Middle School
Here is a fun science fair project idea for elementary school that explores and demonstrate a total and partial solar eclipse when the Moon covers the Sun.
Shadows: How Can the Moon Cover the Sun?
Physical Science
Elementary School
Make a model of a power plant that uses steam! This article includes step-by-step instructions.
Geothermal Power Plant Model
Electricity and Magnetism
Middle School
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?
Physics
Elementary School
This science fair project idea determines the most effective method of preserving food.
Preserving Foods
Physical Science
Elementary School
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
The Speed of Sound on a String
Physical Science
Physics
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
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
This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.
What Kind Of Paper Airplane Works Best?
Physics
Middle School

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