| A | B |
| water cycle | the repeated moverment of water in different forms between the atmosphere and the earth's surface |
| runoff | water that runs downhill |
| condensation | water changes from water vapor to liquid water |
| precipitation | moisture that falls to the earth from the atmosphere |
| anemometer | measures wind speed |
| barometer | measures air pressure |
| sublimation | ice changing to a water vapor without melting |
| hygrometer | measures the moisture in the air |
| rain gauge | measures the amount of rain that falls |
| weather map | used to show present weather conditions and predictions of weather |
| radar | measures wind and precipitation inside a storm |
| sun | provides the energy for the water cycle |
| evaporation | water changes from liquid to water vapor |