Aquifer – A layer of rock, sand, or gravel underground that stores and carries groundwater.
Condensation – The process of water vapor cooling and changing into liquid water.
Conserve – To use natural resources carefully so they are not wasted.
Drought – A long period of time with much less rain than normal.
Evaporation – The process of liquid water changing into water vapor.
Freshwater – Water that is not salty and can be used for drinking, farming, and many other purposes.
Groundwater – Water stored beneath the Earth’s surface in soil, sand, and rock.
Pollution – Harmful substances that contaminate or dirty the environment.
Precipitation – Water that falls from clouds as rain, snow, sleet, or hail.
Resource – Something useful that people need or use, such as water, air, or trees.
Water Cycle – The continuous movement of water around Earth through evaporation, condensation, precipitation, and collection.