| A | B |
|---|
| water vapor | water in he form of gas |
| water cycle | movment of water from oceans to air to ground and back to oceans |
| evaporation | process in which the sun's heat turns liquid water into water vapor |
| condensation | process in which water vapor turns into liquid water |
| precipitation | water that falls to earth as rain, snow, sleet or hail |
| collection | process in which streams and rivers carry water back to the oceans |
| glacier | giant sheet of ice |
| groundwater | water that fills tiny cracks and holes in the rock layers below the earth's surface |
| aquifer | underground rock layers that water flows through |
| weather | unpredictable changes in air that take place over a short time |
| climate | usual, predictable pattern of weather in an area over a long time |
