Across
- 5. When a gas turns directly into a solid
- 6. Removing heat to make something colder
- 8. Tiny parts that make up matter
- 9. When a liquid changes into a gas
- 10. When a solid turns into a liquid
Down
- 1. When a liquid becomes a solid
- 2. When a solid changes straight into a gas
- 3. When gas cools and becomes a liquid
- 4. attractive ______ keep particles together
- 7. Adding energy to make something warmer
- 10. makes up everything