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3rd Grade Science Fair Projects

For their 3rd grade science projects, kids begin investigating the answers to their questions much like actual scientists would. Instead of simply collecting qualitative data (describing what they observe), 3rd graders graduate to collecting and presenting quantitative data by measuring their results with increased accuracy, communicating their findings in simple charts and graphs, and describing their observations in written prose. Education.com's collection of 3rd grade science fair projects give kids the opportunity to apply their newly acquired skills to thinking critically about the world around them while having serious fun in the process. Browse our collection of third grade science projects and experiments by using the boxes to the left to filter by topic, and find that exciting science project your child will be sure to love.

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Explore light and colors with this fun and easy project! The purpose of this science fair project is to investigate how light makes colors.
Third Grade
Kindergarten
This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.
Third Grade
Elementary School
In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.
Third Grade
Elementary School
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.
Third Grade
Elementary School
The purpose of this science fair project is to determine which household products are acids or bases.
Third Grade
Elementary School
In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.
Third Grade
Elementary School
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
Third Grade
Elementary School
This science fair experiment idea's objective is to understand the general concept of an acid and a base.
Third Grade
Elementary School
In this project, a basketball containing different psi is dropped to see how well it bounces.
Third Grade
Kindergarten
The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.
Third Grade
Elementary School
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
Third Grade
Elementary School

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