Atmosphere
Water table
Aquifer
Desalination
Reservoir
Ozone layer
Watershed
Water cycle
Drought
Precipitation
The top of a water-filled space in rock and soil.
A long period of time with low rainfall, leading to a shortage of water.
A natural or man-made lake that stores fresh water.
A layer of gases that surrounds Earth.
What occurs when water droplets in clouds become too heavy and fall to the ground.
The continuous movement of water between Earth´s surface and the air.
An underground, water-filled area of rock and soil between two packed layers of rock.
A region that contributes water to a river.
The special form of oxygen gas found in the atmosphere.
A way to turn salt water into freshwater.
