Water Distribution

There is about 2% of the Earth's freshwater frozen in icebergs.

• True
• False

There is only about 1% of freshwater available for use on Earth.

• True
• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

Tags

NGSS.MS-ESS2-4

The salt that is in your salt shaker is the same salt that is in our oceans?

• true
• false

Tags

NGSS.MS-ESS3-1

What happens to pressure as you go deeper into the ocean? 

• increases
• decreases
• stays the same
• doubles

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Tags

NGSS.MS-ESS2-4

The supply of freshwater under the Earth's surface.

• watershed
• mouth
• headwaters
• groundwater

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Most of the Earth's water is in

• salty oceans
• freshwater lakes
• freshwater ponds
• glaciers

Tags

NGSS.MS-ESS2-4

Why would a community that has suffered a drought hope for lots of snow over the winter?

• Snow will prevent the wells from pumping air into the water lines'
• When the snow melts, it will replenish the underground water levels.
• People need less water because snow causes colder temperatures outside. 
• People can collect the snow, melt and purify it, and use the water in their homes.

Tags

NGSS.MS-ESS2-4

The diagram shows the distribution of water on the Earth. Which source is the most abundant supply of liquid surface water that is not salty?

• groundwater

• oceans

• lakes

• rivers

Tags

NGSS.MS-ESS2-4