Front

What percentage of Earth's water is freshwater?

Back

3% of Earth's water is freshwater.

Tags

NGSS.MS-ESS2-4

Front

What percentage of Earth's water is salt water?

Back

97% of Earth's water is salt water.

Front

Where is most of the freshwater on Earth found?

Back

Most of the freshwater is found in glaciers.

Front

Why is it important to conserve water?

Back

Water is a limited resource.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Front

What is the main reason why 60% of Earth's freshwater is not available for human use?

Back

It is frozen.

Front

What is the water cycle?

Back

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

Tags

NGSS.MS-ESS2-4

Front

What are the main sources of freshwater?

Back

Lakes, rivers, glaciers, and aquifers.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Front

What is an aquifer?

Back

An aquifer is a geological formation that can store and transmit water.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Front

How does pollution affect freshwater resources?

Back

Pollution can contaminate freshwater, making it unsafe for drinking and other uses.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Front

What is the significance of the water cycle for ecosystems?

Back

The water cycle helps maintain ecosystems by distributing water and nutrients.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4