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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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Third Grade “food-cooking”
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This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
The Role of Fat in Food
Third Grade
Elementary School
Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.
Does Adding Salt to Pasta make it Cook Faster?
Third Grade
Fourth Grade
The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.
Is Organic Better?
Third Grade
Elementary School
Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.
Pineapple Enzyme
Third Grade
Easy
This project investigates the affect of storage temperature on microwave popcorn.
Where Should You Store Your Popcorn?
Third Grade
Elementary School
What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.
DIY Compost
Third Grade
Hard
This science fair project teaches students about wilting and browning of salad greens.
Why Do Greens Turn Brown?
Third Grade
Kindergarten
The purpose of this science fair project is to determine whether garlic prevents microbial growth.
Does Garlic Prevent Microbial Growth?
Third Grade
Elementary School

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