Across
- 5. Water falling from clouds
- 8. Water changing into vapor
- 10. Movement of heat in liquids or gases
- 12. Water flowing over land
- 15. Vapor cooling into liquid
- 16. Small pieces of rock or soil
- 18. Layer of gases around Earth
- 19. Dropping of sediment
- 20. Resource that cannot be replaced quickly
Down
- 1. Breaking rocks into smaller pieces
- 2. Plants releasing water vapor
- 3. Amount of water vapor in air
- 4. Trapping of heat in the atmosphere
- 6. Melted rock flowing from a volcano
- 7. Cold air pushing under warm air
- 9. Large moving pieces of crust
- 11. Melted rock below Earth’s surface
- 13. Crack in Earth where movement happens
- 14. Strong wind high in the sky
- 17. Resource that can be replaced