Solids, Liquids & Gases
Test Your Knowledge
- Earth’s Atmosphere
Explore the five layers of our planet’s atmosphere.
- Evaporation and Condensation
Find examples of evaporation and condensation in nature.
Take this quiz to find out how gases can save you in a car crash or make a volcano blow its top.
- Science of Soda Pop
Learn the process by which soda-pop is made.
- States of Matter
Most things are either solids, liquids, or gases. Learn more about the states of matter by answering these riddles.
- Surface Tension
Examine some pictures to see how water's attraction to itself can create natural works of art.
Explore the many ways that water is essential to life on planet earth.