| A | B |
| water cycle | the process where water changes form and cycles between Earth's surface and the air and back again |
| condensation | water vapor changing from a gas back into a liquid, can form a cloud |
| runoff | water that falls on the land and moves across the land to return to lakes or oceans |
| cirrus | high, feathery clouds made of ice crystals |
| temperature | the warmth or coldness of the air- the measure of how much heat is present |
| wind speed | how fast the air is moving |
| rain gauge | a device for measuring rainfall amounts |
| wind vane | a device for measuring wind direction |
| hurricane | a tropical storm with strong winds that blow in a cirrcular pattern |
| meteorologist | a person who studies and predicts the weather |
| evaporation | the changing of a liquid to a gas |
| precipitation | water that falls to the Earth from the air |
| cumulus | fluffy, fair weather clouds |
| stratus | low level, layered clouds covering a large area- usually out on cloudy/rainy days |
| thermometer | an instrument used to measure air temperature |
| anemometer | instrument used to measure wind speed |
| wind direction | determined by where the wind is coming from |
| thunderstorm | a severe storm with thunder, lightning, high winds, and rain |
| tornado | a violent funnel shaped cloud that comes down from a storm cloud and spins at high speeds |