| A | B |
|---|
| water cycle | the movement of water from the surface of Earth into the air and back again |
| precipitation | water that falls to Earth |
| evaporation | the process by which a liquid changes into a gas |
| condensation | the process by which a gas changes into liquid |
| rain | precipitation that is liquid water |
| sleet | precipitation caused when water vapor turns directly into a definite volume |
| snow | precipitation caused when water vapor turns directly into ice and forms ice crystals |
| hail | round pieces of ice formed when frozen rain |
| tornado | a fast-spinning spiral of wind that touches the ground |
| hurricane | a large tropical storm that has winds of at least 74 miles per hour |
| sea breeze | a breeze that moves from the sea to the land |
| land breeze | a breeze that moves from the land to the sea |
| rain shadow | the area on the side of a mountain range with less rain and cloud cover |
| air mass | a large body of air that has sa similar temperature and moisture level |
| cold front | the boundary where a cold air mass moves under a warm air mass |
| warm front | the boundary where a warm air mass moves over a cold air mass |
| barometer | a weather instrument used to measure air pressure |
| anemometer | a weather instrument that measures wind speed |
