Earth's Water Distribution

Approximately what percent of Earth's water is salt water?

• 3

• 70

• 79

• 97

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 diagram shows the distribution of water on the Earth. Based on the diagram, which is true?

• Most of Earth's water is fresh water.

• Most of Earth's fresh water is contained in glaciers and ground water.

• Most of Earth's water is contained in glaciers.

• Most of Earth's fresh water is contained in the oceans.

Tags

NGSS.MS-ESS2-4

Water underground is stored in ____________.

• aquifers

• reservoirs

• wells

• depositories

Tags

NGSS.MS-ESS3-1

Approximately _____ percent of Earth's water is freshwater.

• 97

• 1

• 3

• 10

Tags

NGSS.MS-ESS2-4

Where does runoff end up?

• ponds

• streams

• rivers

• all of the above

Tags

NGSS.MS-ESS2-4

Which of the following percentages is the best estimate for the amount of the water on Earth which is stored in the ocean?

• 97%

• 70%

• 54%

• 20%

This graphic shows the largest fresh and salt water sources on Earth. Which of these sources BEST completes the graphic?

• snow

• clouds

• groundwater

• swimming pools

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

This table shows sizes of Earth's oceans. Based on this table and the makeup of Earth's total water, which reasonable conclusion can be made?

• Earth's seas contain more salt water than the oceans

• Earth's land has more surface area than Earth's oceans

• Earth's largest source of salt water is the Pacific Ocean

• The Pacific Ocean is larger than all other oceans combined

Tags

NGSS.MS-ESS2-4

This pie chart displays the makeup of Earth's water. Which sentence is true about Earth's water, based on the data in the pie chart?

• Over 30% of fresh water humans use comes from lakes and rivers

• Humans use a much greater percentage of salt water than fresh water

• Fresh water makes up 2.5% of the water on Earth so it should be conserved

• Most of Earth's total water is frozen in ice glaciers, which are made of salt water

Tags

NGSS.MS-ESS2-4