| A | B |
|---|
| anemometer | measures the speed of wind |
| barometer | measures air pressure |
| rain gauge | measures the amount of prcipitation |
| hygrometer | measures the amount of prcipitation |
| wind vane | measures the direction of the wind |
| thermometer | measures the air temperature |
| evaporation | process of changing a liquid to a gas |
| condensation | the process of changing a gas to a liquid |
| precipitation | rain, hail, snow, sleet |
| transpiration | process of green plants giving off water vapor |
| climate | the average temperature and precipitation of an area |
| meteorologist | a person who studies the weather |
| forecast | prediction of what the weather will be |
| cirrus clouds | very high clouds made up of snow crystals |
| stratus clouds | low clouds like a blanket that produce poor weather |
| cumulus clouds | white, puffy clouds that usually means fair weather |
| cumulonimbus clouds | very tall clouds sometimes called thunderheads |
| low pressure | warm air mass that produces poor weather |
| high pressure | cold air mass that usually produces fair weather |
| front | area where two air pressure systems meet |
| humidity | amount of moisture in the air |
| air pressure | the weight of the air |
| cloud | water vapor that collects on dust and other particles |
| prevailing winds | global air movement |
| wind | movement of air |
| atmosphere | blanket of air that surrounds the earth |
| troposphere | lower atmosphere where weather occurs |
| stratosphere | layer of the atmosphere where ozone is located |
| hurricane | storm that forms over the oceans |
| tornado | storm that has a funnel shaped cloud |
| lightning | electrical charge formed in clouds |
| thunder | loud noise formed by the creation of lightning |
