| A | B |
|---|
| humidity | amount of water vapor in the air |
| saturated air | when air contains all the water vapor it can possibly hold |
| ice crystals | moisture high in the air |
| condenses | when saturated air cools just one degree |
| air mass | a large body of air that has about the same temperature and humidity |
| front | area where two different air masses meet |
| wind | air moving from a high pressure to a low pressure area |
| atmosphere | weather occurs here |
| rotation | causes weather to move from west to east |
| water vapor | water that has evaporated into the air |
