| A | B |
|---|
| condensation | process in which matter changes from a gas state (vapor) to a liquid state (i.e. water on the outside of a cold glass) |
| drought | a long period of dry weather which results in crops and wildlife suffering because they cannot get enough water |
| evaporation | by which a liquid becomes a gas (vapor) due to falling below its boiling point |
| flood | overflow of a body of water beyond its banks or shore |
| groundwater | water that has soaked into the soil and collects in small empty spaces in soil and rocks (flowing toward the lowest point such as a stream) |
| hydrologist | a scientist who studies how water circulates on the earth's surface |
| irrigation | a system that brings water to an area of land |
| precipitation | a form of water such as rain, snow, sleet or hail that condenses from the atmosphere and fall to the Earth's surface |
| water cycle | process by which water moves through the ground, evaporates from earth into the air, forms clouds and falls back to earth as precipitation |
| water vapor | water that exists naturally in a gas state, especially in the atmosphere |
