10 Cool Chemistry Experiments for Kids

Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.

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Endothermic and Exothermic Reactions Experiment

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.
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Rust Chemistry: How Does Rust Form?

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.
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Corrosiveness of Soda

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.
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Electrolysis of Water Experiment

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.
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Self-Inflating Balloons

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
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The Best Stain Remover for Clothes: Testing Laundry Stain Removal

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.
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The set is continued below.

Do Gas Stations Cause Soil Pollution?

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.
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How Much Gas Does Your Favorite Beverage Produce?

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.
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Starches as Thickening Agents

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.
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Calorimetry: Bomb Calorimeter Experiment

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!
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