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Chemistry Science Fair Project Ideas

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

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Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.
How Should You Store Popcorn?
Chemistry
Middle School
Discover whether a metal will expand under hot water.
Does Water Temperature Cause Metal to Expand and Contract?
Chemistry
Elementary School
This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.
What Happens When We Mix Acid with Base Solutions?
Chemistry
Middle School
This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.
Cleaning Coins
Chemistry
Middle School
Do different types of oil mix or stack? Find out in this science fair project idea!
Do Different Types of Oil Mix or “Stack”?
Chemistry
Second Grade
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?
Chemistry
Fourth Grade
This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.
How Solar Energy Heats Liquids of Different Colors
Chemistry
Elementary School
Crayons aren't just good for creating colorful masterpieces -- they're also great for science!
Melting Crayons
Chemistry
Third Grade
How powerful is the reaction between baking soda and vinegar? Find out here!
Baking Soda and Vinegar Balloon
Chemistry
Third Grade
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Cooking Oil Smoke Points
Chemistry
Fifth Grade
Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.
How Much Does Fat Weigh in Water?
Chemistry
Sixth Grade
The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.
Do Green Bags Really Work to Preserve Food?
Chemistry
Middle School
The goal of the project is to evaluate whether land or water warms more quickly when subjected to increased temperature.
Land vs. Water
Chemistry
Elementary School
In this project, the affects of vitamin E are observed on a rose petal.
Vitamin E is for Exquisite Looking Skin
Chemistry
Elementary School
This project examines the impact of fresh and coastal salt water on residential lawn growth.
Lawn Flooding: Fresh vs. Salt Water Damage
Chemistry
Elementary School

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