What percentage of the Earth's surface is covered by water?

• 71%

• 50%

• 85%

• 60%

Tags

NGSS.MS-ESS2-4

Why is access to clean fresh water considered a global health issue?

• Because it is vital for producing food and energy.

• Because it reduces poverty.

• Because 4,400 people die each day from waterborne diseases due to lack of safe drinking water.

• Because it causes tensions between nations.

Tags

NGSS.MS-ESS3-4

What environmental issues are caused by excessive withdrawal of water from rivers and aquifers?

• Dwindling rivers and shrinking lakes

• Increased fish populations

• Improved water quality

• Expansion of wetlands

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What percentage of Earth's water supply is available as liquid fresh water?

• 0.024%

• 2.4%

• 24%

• 0.24%

Tags

NGSS.MS-ESS2-4

Which country has 20% of the world's fresh water but only 0.5% of the world's population?

• Canada

• China

• India

• Brazil

Tags

NGSS.MS-ESS3-4

What is the term for the top of the groundwater zone where water rises and falls according to weather and human intervention?

• Water table

• Aquifer

• Zone of saturation

• Drainage basin

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What percentage of fresh water is used for agriculture worldwide?

• 70%

• 50%

• 30%

• 90%

What is virtual water?

• Water used to produce food and other products

• Water directly consumed by individuals

• Water stored in aquifers

• Water used for irrigation

How much water is used to produce and deliver a typical quarter-pound hamburger?

• 2,400 liters

• 1,000 liters

• 500 liters

• 3,000 liters

What is the predicted percentage of reliable runoff that people are likely to remove by 2025?

• 90%

• 50%

• 70%

• 30%

Tags

NGSS.MS-ESS3-4