| A | B |
|---|
| water cycle | continuing movement of water from oceans, to air, to the land, back to the ocean, and so on |
| water vapor | water as an invisible gas |
| evaporation | water rises into the air in the form of a liquid and changes to a gas |
| condensation | water vapor in the air cools and forms droplets |
| precipitation | rain, sleet, snow and hail |
| climate | collection of weather patterns in our own part of the world over a period of time |
| weather | bunch of events that happen daily in the atmosphere all over the world |
| thermometer | measures air temperature |
| anemometer | measures the speed of the wind |
| barometer | measures air pressure |
| sling psychrometer | measures how much water is in the air and how much it can hold |
| weather vane | shows direction of the wind |
| rain gauge | measures the amount of rainfall |
