| A | B |
|---|
| anemometer | a weather instrument that measures wind speed |
| barometer | a weather instrument used to measure air pressure |
| cold front | the boundary where a cold air mass moves under a warm air mass |
| condensation | the process by which a gas changes into a liquid |
| evaporation | the process by which a liquid changes into a gas |
| rain shadow | the area on the side of a mountain range with less rain and cloud cover |
| sea breeze | a breeze that moves from the sea to the land |
| sleet | precipitation caused when rain falls through freezing air and turns to ice |
| snow | precipitation caused when water vapor turns directly into ice and forms ice crystals |
| tornado | a fast-spinning spiral of wind that touches the ground |
