Ch 13 Vocab 1

7. a type of weather front where an air mass gets separated from the ground by a fast-moving cold air mass, resulting in heavy rain
8. the circulation of air due to heating and cooling of molecules
9. the process by which solids form
14. water beneath the surface of the ground
15. the liquid phase of water
17. the gaseous phase of water

1. the boundary between two air masses
2. the process of water being released from clouds in the form of rain, hail or snow
3. winds that blow mostly in one direction, moving air masses
4. energy produced or radiated by the Sun
5. a measure of how much water vapor is in the air
6. the process of water vapor turning into liquid water
8. a type of weather front where cold air masses overtake warm air masses
10. a large body of air with roughly the same temperature and humidity
11. a type of weather front where warm air masses overtake cold air masses
12. the force of attraction between two objects because of their masses
13. a type of weather front where a cold air mass and a warm air mass meet, but neither pushes the other out of the way
16. the process by which water changes from a liquid to a gas or vapor