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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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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
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Where Did the Lady Bug Get Her Spots?
Third Grade
Elementary School
The purpose of this science fair project is to determine which metal is the best conductor of heat: copper, steel or brass.
Heat Conductivity of Metals
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
How powerful is the reaction between baking soda and vinegar? Find out here!
Baking Soda and Vinegar Balloon
Third Grade
Chemistry
This science fair project idea explores whether white light can be separated into different colors.
Can White Light Be Separated?
Third Grade
Elementary School
Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.
Soda Calories
Third Grade
Food
Do different types of oil mix or stack? Find out in this science fair project idea!
Do Different Types of Oil Mix or “Stack”?
Third Grade
Second Grade
Is Horse Manure a Possible Energy Source in a Crisis?
Third Grade
Elementary School
This science fair project idea investigates how magnetism can defy the force of gravity.
Defying Gravity
Third Grade
Elementary School
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
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Form and Function
Third Grade
Elementary School
This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.
Dirty Air
Third Grade
Elementary School
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Cats & Dogs
Third Grade
Elementary School

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