water distribution on earth worksheet

approximately what percent of earth water is salt water

• 87

• 79

• 97

• 9

What percent of Earth's freshwater is available for humans to use?

• less than 1

• 97

• 3

• 79

Tags

NGSS.MS-ESS3-1

Most of Earth's surface is covered with water. Only 2.5% of Earth's global water is freshwater. Of all the freshwater on Earth, 78% is frozen. Where is most of Earth's water found?

• glaciers

• lakes

• oceans

• rivers

Tags

NGSS.MS-ESS2-4

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Tags

NGSS.MS-ESS2-4

The total amount of water on Earth is constantly changing.

• true
• false

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

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

• True
• False

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

What percentage of water can be found in clouds? 

• 2%
• 1%
• 25%
• 0.1%

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

What are clouds made from?

• water vapors

• water droplets or ice crystals

• smoke

• large snowflakes

Tags

NGSS.MS-ESS2-4