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Third Grade Physics Science Fair Project Ideas

Browse from many free third grade physics science fair project ideas. These third grade physics science fair projects are a great place to find ideas for an upcoming science fair.

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The objective of this science fair project is to determine which sunglasses block ultraviolet (UV) light better than others.
Do Some Sunglasses Block UV Light Better than Others?
Third Grade
Physics
Colors look different in various kinds of light. The goal of this science fair project is to determine how colors appear in various kinds of lighting.
Does My Makeup Look Right?
Third Grade
Physics
Is it the weight? The length of string? The height of release? The purpose of this science fair project is to discover what makes a pendulum swing fast or slow.
What Makes a Pendulum Swing Fast or Slow?
Third Grade
Physics
The goal of this science fair project is to determine whether the temperature of a golf ball affects its rebound.
Temperature's Effect on Rebound of a Golf Ball
Third Grade
Physics
The purpose of this science fair project is to determine the tensile strength of a fishing line, or how much weight it can hold before it breaks.
What Is the Tensile Strength of Fishing Line?
Third Grade
Physics
The purpose of this science fair project is to determine whether it takes more force to move an object over a smooth surface or a rough surface.
How Easily Do Objects Move Over Surfaces?
Third Grade
Physics
The purpose of this science fair project is to determine whether you can hear sound through a barrier.
Can Sound Travel through a Barrier?
Third Grade
Physics
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Third Grade
Physics
The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.
All About Air Pressure
Third Grade
Physics
In this project, a basketball containing different psi is dropped to see how well it bounces.
The Pressure is On
Third Grade
Physics

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