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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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The purpose of this science fair project is to investigate why honey crystallizes and what may make honey crystallize faster.
Why Does Honey Crystallize?
Third Grade
First Grade
Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' noseprints and discover just how unique they are!
Can Nose Prints Be Used to Identify Dogs?
Third Grade
Elementary School
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Color and Heat Absorption
Third Grade
Elementary School
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Greenhouse Project
Third Grade
Fourth Grade
The objective of this science fair project is to find out how much fat is in potato chips.
How Greasy are Your Potato Chips?
Third Grade
Elementary School
Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.
Magic Glass of Water
Third Grade
Easy
This science fair project examines how seeds hitchhike on animals and clothing.
How Do Seeds Hitchhike?
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
What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.
What Animals are Most Popular? A Data Analysis Project
Third Grade
Elementary School
How do Plants Absorb Water?
Third Grade
Elementary School
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
The purpose of this science fair project is to determine how the sun's direction affects temperature.
How Does the Sun's Direction Affect Temperature?
Third Grade
Elementary School
This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.
The Mohs Test: How to Compare the Hardness of Minerals
Third Grade
Elementary School
This science fair project idea investigates how magnetism can defy the force of gravity.
Defying Gravity
Third Grade
Elementary School
In this experiment, the weight of aluminum cans will be compared.
Illuminating Aluminum
Third Grade
Elementary School

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