Water cycle

Front

What is water called in its gas form?

Back

Water Vapor

Front

An area of land that is drained by a river is called?

Back

Watershed

Front

What is another term for the Water Cycle?

Back

Hydrological Cycle

Front

Including the oceans, saltwater lakes, and saltwater seas, how much of the water on Earth is saltwater?

Back

97%

Front

Why does frozen water float?

Back

Frozen water has a lower density than liquid water.

Front

What process describes the movement of water from the surface of the Earth to the atmosphere?

Back

Evaporation

Front

What is the process called when water vapor cools and changes back into liquid water?

Back

Condensation

Front

What term describes the process of water falling from the atmosphere to the Earth?

Back

Precipitation

Front

What is the term for the underground layer of water-bearing rock?

Back

Aquifer

Front

What is the main source of freshwater on Earth?

Back

Glaciers and ice caps