Earth's Water

From space, water on Earth's surface appears blue. About how much of the earth's surface is blue?

• A. 99%
• B. 50%
• C. 75%
• D. 25%

Tags

NGSS.MS-ESS2-4

Rain occurs after water has evaporated from the Earth's surface. Which of these is the main source of water on the Earth's surface?

• A. wetlands
• B. lakes
• C. rivers
• D. oceans

Tags

NGSS.MS-ESS2-4

Which of the following statements is true?

• A. 30.1% of the Earth's water is salt water.
• B. 0.3% of the Earth's water is fresh water.
• C. 97% of the Earth's water is fresh water.
• D. 97% of the Earth's water is salt water.

Tags

NGSS.MS-ESS2-4

Fresh water is used by people every day. Some uses of fresh water include drinking water for people and the water used to wash dishes and clothes. Fresh water can also be used to make electricity. Fresh water exists in a variety of places on Earth. Where is greatest amount of fresh water in the world found?

• A. glaciers
• B. wetlands
• C. lakes
• D. rivers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which body of surface water is a solid?

• A. ocean
• B. river
• C. glacier
• D. lake

The picture shows that the majority of Earth's surface water makes up one type of water body, labeled X. What type of water body does section X on the picture show?

• A. lakes
• B. oceans
• C. groundwater
• D. glaciers

Of all the water found on Earth, how much of it is fresh water?

• A. about 30%
• B. less than 1%
• C. more than 70%
• D. about 3%

Tags

NGSS.MS-ESS2-4

True or False: The water cycle begins with evaporation.

• True
• False

Tags

NGSS.MS-ESS2-4

What is the driving force of the water cycle?

• energy
• the sun
• electricity
• batteries

Tags

NGSS.MS-ESS2-4

The water cycle is a part of which sphere?

• biosphere
• geosphere
• hydrosphere
• atmosphere

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1