Across
- 1. the kind of cloud represented by the prefix "cirro-" or "cirrus"
- 3. water that does not get absorbed by the ground, returns to surface reservoirs
- 4. Cooling of air as it rises in altitude and loses pressure
- 9. "fair weather" clouds: ___ humilis
- 10. the layer of the atmosphere in which we live and weather takes place
- 12. the collection of gases surrounding our planet
- 13. heating of water to convert it into a gaseous state
- 14. most of this is trapped in glaciers and ice caps
- 16. lens-shaped cloud resembling UFO
- 18. means "rain" in Latin
- 19. the process of cooling water vapor until it becomes liquid again
- 20. any storage space for a substance, natural or manmade
Down
- 2. the process of water absorption into the ground
- 5. a layer of porous rock that is a groundwater reservoir
- 6. the type of cloud that occurs across all altitudes
- 7. the general result of water vapor condensation in the atmosphere
- 8. when water falls back to earth from clouds
- 11. Ninety-seven percent of all water on earth is this type
- 15. when solid ice converts instantaneously into water vapor
- 17. water that is stored underground in the soil or other reservoir
