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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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Find out whether a longer airplane will fly farther or a wider paper airplane.
Does A Longer Paper Airplane Fly Farther than a Wide One?
Third Grade
Fourth Grade
The project investigates how friction affects motion by using different surface textures.
Rough Riders
Third Grade
Elementary School
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
Crystal Wonderland
Third Grade
First Grade
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Homemade Butter
Third Grade
Fourth Grade
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Folding Paper
Third Grade
Second Grade
This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.
My Black Shirt Is A Heater!
Third Grade
Elementary School
In this science fair project you will make a model of a cell membrane using very simple material.
Cell Membrane
Third Grade
Fourth Grade
Test whether plants can grow without sunlight and water.
Can Plants Grow Without Sunlight or Water?
Third Grade
Elementary School
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Barometric Pressure
Third Grade
Fourth Grade
The purpose of this science fair project is to investigate how dark and light colors absorb heat differently.
Will Some Colors Keep You Cooler than Others?
Third Grade
Elementary School
In this science project, the center of gravity is explored.
A Bridge to Nowhere
Third Grade
Elementary School
Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.
To Leaf or Not to Leaf
Third Grade
Second Grade
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Get Cracking
Third Grade
Second Grade
The project investigates how water and movement affects erosion.
Erosion
Third Grade
Elementary School
The objective of this science fair project is to determine whether right-handed teachers can pay attention to the class while writing on the board.
The Even-Handed Teacher
Third Grade
Elementary School

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