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Third Grade Science Fair Project Ideas

Great selection of third grade science fair project ideas. These science fair projects can help you find third grade level ideas for your science fair.

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Get out your flashlight! The purpose of this science fair project is to investigate how distance influences the spreading of light.
How Does Distance Affect the Spreading of Light?
Third Grade
Elementary School
Explore if planting seeds in a certain direction will affect how fast it germinates.
Do You Need To Plant Seeds A Certain Direction For It To Germinate?
Third Grade
Fourth Grade
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Memorizing Numbers
Third Grade
Psychology and Sociology
Do Temperature and Humidity Affect How Long Static Charges Last?
Third Grade
Elementary School
Science fair project that examines condensation and the conditions needed in order for dew to form.
Dew Point, Humidity and Weather
Third Grade
Second Grade
Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!
Which Gum has the Longest Lasting Flavor?
Third Grade
Food
Discover flight initiation distance as you play around in the park with this fun bird watching project!
Bird Space
Third Grade
Zoology
Discover whether a metal will expand under hot water.
Does Water Temperature Cause Metal to Expand and Contract?
Third Grade
Elementary School
The purpose of this science fair project is to show a high incidence of drivers running through red and yellow traffic lights.
Statistical Frequency Of Red Light Running: A Comparative Study
Third Grade
Kindergarten
Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.
Soda Calories
Third Grade
Food
This science fair project idea explores whether white light can be separated into different colors.
Can White Light Be Separated?
Third Grade
Elementary School
How powerful is the reaction between baking soda and vinegar? Find out here!
Baking Soda and Vinegar Balloon
Third Grade
Chemistry
Crayons aren't just good for creating colorful masterpieces -- they're also great for science!
Melting Crayons
Third Grade
Chemistry
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
The Fungus Among Us
Third Grade
Elementary School
This science fair project idea compares biodiversity between drops of water.
Biodiversity in a Drop of Water
Third Grade
Elementary School

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