Chemistry Experiments

95 experiment protocols with step-by-step instructions

All Categories Flame Tests Titrations Electrochemistry Organic Synthesis Crystallization Gas Laws Thermochemistry Qualitative Analysis Colorimetry Classroom Demonstrations
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Cartesian Diver

Demonstrating gas compressibility and Boyle's law

Build a Cartesian diver to demonstrate gas compressibility and the relationship between pressure and buoyancy.

Gas Laws · Beginner (Middle School) · 15 min · 6 steps

Charles's Law with a Balloon

Measuring volume changes of a gas with temperature

Demonstrate Charles's law by measuring the circumference of an air-filled balloon at different temperatures.

Gas Laws · Beginner (Middle School) · 30 min · 6 steps

CO₂ and Limewater Test

Detecting carbon dioxide with calcium hydroxide

Generate carbon dioxide gas from a carbonate-acid reaction and confirm its identity using the limewater test.

Gas Laws · Beginner (Middle School) · 20 min · 6 steps