Distribution of water 3 水的分布 3

What percent of Earth's water is fresh?

• 3
• 29
• 71
• 97

Where is most of earth's freshwater found?

• in lakes and rivers
• in the ground
• in the clouds
• in polar ice caps and glaciers

Tags

NGSS.MS-ESS2-4

What percent of water is available for humans to use?

• 50
• 25
• 3
• less than 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

Most of the Earth's water is in

• salty oceans
• freshwater lakes
• freshwater ponds
• glaciers

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

The graphic shows that only 3% of the Earth's water is fresh water. The graphic also shows that of this 3%, almost all of it is contained in two reservoirs. What are the two reservoirs that contain almost all of Earth's fresh water?

• glaciers and groundwater

• streams and estuaries

• marshes and swamps

• lakes and rivers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Where is most of the Earth's freshwater located?

• in aquifers
• in rivers and streams
• in the ocean
• in icecaps and glaciers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which of the following happens when the polar ice caps melt?

• headlands become valleys
• tectonic plates move
• sea levels fall
• sea levels rise

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS3-5

Which pie chart shows the relative proportions of Earth's water in each location?

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-4