Front

What is the main source of water on Earth?

Back

Oceans, which contain about 97% of the Earth's water.

Tags

NGSS.MS-ESS2-4

Front

What is an aquifer?

Back

An underground reservoir that stores groundwater.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Front

What is the ratio of freshwater to saltwater on Earth?

Back

3% freshwater : 97% saltwater.

Front

What percentage of the human body is made up of water?

Back

About 70%.

Front

What type of water can humans safely drink?

Back

Freshwater.

Front

What is the process called when water vapor turns into liquid water?

Back

Condensation.

Tags

NGSS.MS-PS1-4

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Tags

NGSS.MS-ESS2-4

Front

What is evaporation?

Back

The process of water turning from liquid to vapor.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is precipitation?

Back

Any form of water that falls from the atmosphere to the Earth's surface, such as rain or snow.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is groundwater?

Back

Water that is stored underground in aquifers.

Tags

NGSS.MS-ESS3-1