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Fourth Grade Chemistry Science Fair Project Ideas

Browse from many free fourth grade chemistry science fair project ideas. These fourth grade chemistry science fair projects are a great place to find ideas for an upcoming science fair.

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Discover whether a metal will expand under hot water.
Does Water Temperature Cause Metal to Expand and Contract?
Fourth Grade
Chemistry
Do different types of oil mix or stack? Find out in this science fair project idea!
Do Different Types of Oil Mix or “Stack”?
Fourth Grade
Chemistry
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
Soil pH: Acid or Alkaline?
Fourth Grade
Chemistry
Vitamin C boosts your immune system and your health. The purpose of this science fair project is to determine which fruit juices have the most Vitamin C.
What Has the Most Vitamin C?
Fourth Grade
Chemistry
In this project, different brands of microwave popcorn are tested and compared.
Popping Fresh
Fourth Grade
Chemistry
The purpose of this science fair project is to find the temperature change in chemical reactions to determine whether energy is absorbed or released.
Do Chemical Reactions Absorb or Release Energy?
Fourth Grade
Chemistry
In this project, the affects of vitamin E are observed on a rose petal.
Vitamin E is for Exquisite Looking Skin
Fourth Grade
Chemistry
The purpose of this science fair project is to determine which stain removers work best.
Best Stain Remover
Fourth Grade
Chemistry
Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.
Mystery Powders
Fourth Grade
Chemistry
Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.
The Difference Between Bleached and Unbleached Flour
Fourth Grade
Chemistry
Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.
Which Fabrics are Most Absorbent?
Fourth Grade
Chemistry
Discover whether cold or hot water from the faucet will boil faster on the stove.
Does Hot Water Boil Faster Than Cold?
Fourth Grade
Chemistry
Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Fourth Grade
Chemistry
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
Chemistry
This science fair project idea investigates if fats add to the flavor of food.
Low Fat, Low Taste?
Fourth Grade
Chemistry

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