Across
- 2. this type of energy comes from the sun
- 3. vapor, water in its gaseous state
- 4. this is mostly made of oxygen and nitrogen
- 5. this cloud warns a storm is coming and is very large
- 8. a visible mass of condensed vapor suspended in the atmosphere
- 9. the amount of water vapor in the air
- 11. when thermal energy is transferred via particle collisions
- 15. this is the energy of motion
- 16. liquid or solid water that falls to the ground
- 18. when a liquid changes to a gas
- 19. when a gas changes to a liquid
Down
- 1. when air is moving downward
- 6. when air is moving upward
- 7. a measure of height above sea level
- 10. when a surface takes in light energy making thermal energy
- 12. this instrument is used to measure heat
- 13. transfer of energy from warmer substances to cooler ones
- 14. a ball of ice with layers that falls from the sky
- 17. a mixture of gasses that surrounds the earth