Across
- 5. A fancy word for "boiling".
- 8. The type of energy that moving particles have.
- 9. When a liquid spreads throughout another liquid.
- 10. The hardest state of matter.
- 11. The state of matter whose particles have the most energy.
Down
- 1. The process of changing from solid to liquid.
- 2. A particular arrangement of particles.
- 3. What it takes to turn a solid to a liquid or a liquid to a gas.
- 4. When a gas turns into a liquid.
- 6. The reverse of melting.
- 7. A state of matter where particles move freely but stay together.
- 12. The smallest building block of matter.