| A | B |
|---|
| air pressure | the push of air against its surroundings |
| barometer | a device that measures air pressure |
| wind vane | a device that shows wind direction |
| windsock | a cloth bag that is narrow at one end and open at both ends - used to show wind direction |
| anemometer | a device used to measure wind speed |
| water cycle | the movement of water into the air as water vapor and back to Earth's surface as rain, snow, or hail |
| evaporate | water changes from a liquid to a gas |
| condensate | water changes from a gas to a liquid |
| cloud | billions of tiny drops of water that condensed from the air |
| fog | a cloud that touches the Earth's surface |
| precipitation | any form of water that falls from the air |
| cumulus clouds | puffy clouds |
| stratus clouds | flat gray clouds |
| cirrus clouds | clouds that look like commas or wisps or hair high in the sky |
| weather forcaster | someone who makes predictions about the weather |
| thunderstorm | a storm that produces heavy rain, strong winds, lightning, and thunder |
| flash floods | sudden and violent floods |
| hurricane | large, violent storms that form over warm ocean water |
| tornado | a funnel-shaped storm of spinning wind |
