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Fourth Grade Science Fair Project Ideas

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

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This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
Does Gelatin Slow Down the Melting of Freezer Pops?
Fourth Grade
Elementary School
This science fair project idea observes products available in the school cafeteria and waste produced by these products.
Cafeteria Waste
Fourth Grade
Elementary School
In this project, local air quality is analyzed.
In the Air and All Around
Fourth Grade
Elementary School
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
The Fungus Among Us
Fourth Grade
Elementary School
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Smile!
Fourth Grade
Elementary School
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Flat Earth? Not Really!
Fourth Grade
Elementary School
This science fair project idea investigates how color affects temperature.
Color And Temperature
Fourth Grade
Elementary School
This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.
Measuring Magnification
Fourth Grade
Elementary School
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Can You Keep a Secret?
Fourth Grade
Kindergarten
In this project, the affects of vitamin E are observed on a rose petal.
Vitamin E is for Exquisite Looking Skin
Fourth Grade
Elementary School
Natural Herbicide
Fourth Grade
Elementary School
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
Like Oil And Vinegar
Fourth Grade
Elementary School
The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.
Sweet Tooth
Fourth Grade
Elementary School
This science fair project investigates why the number of visible stars changes from place to place.
Stars In The Sky
Fourth Grade
Elementary School
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Don't Rock the Boat
Fourth Grade
Third Grade

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