| A | B |
|---|
| evaporation | the changing of a liquid into a gas |
| condensation | the changing of a gas to a liquid |
| precipitation | water that falls to earth as rain, hail, sleet or snow |
| water cycle | the movement of water from Earth's surface into the air and back again |
| groundwater | water that has slowly made it's way through the soil and collects in spaces between underground rocks |
| wetlands | low land ecosystems that are covered by water at least part of the time during the year, swamps and marshes |
| water vapor | water in the form of an invisible gas in the air |
| experiment | to create and test a question |
