Apes Ch 9 Water

What percentage of Earth's water is freshwater?

• 3

• 10

• 50

• 90

• 97

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which of the following contrasts between confined and unconfined aquifers is CORRECT?

• Confined aquifers are more rapidly changing.

• Only confined aquifers can produce artesian wells.

• Only unconfined aquifers are overlain by a layer of impermeable rock.

• Only unconfined aquifers can be drilled for wells to extract water.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which of the following statements about surface waters is NOT correct?

• Historically, most rivers regularly spilled over their banks.

• The largest river in the world is the Amazon River.

• Levees are used to make reservoirs.

• Dikes are human-made structures that keep ocean water fromm moving inland.

What of the following statements about dams is NOT correct.

• Dams are used to reduce the risk of flooding.

• Dams can cause increased water temperatures.

• Most dams are built to generate electricity.

• The water held back by a dam is called a reservoir.

Which of the following statements about aqueducts is CORRECT?

• Aqueducts designed as open canals can lose a lot of water via evaporation.

• Aqueducts are a modern invention.

• Aqueducts do not divert water from lakes.

• Aqueducts do not affect the amount of water remaining in rivers.

Which of the following statements about desalination is CORRECT?

• Distillation requires more energy than reverse osmosis.

• The brine left over from desalination is not harmful when returned to the ocean.

• Large-scale desalination of water is affordable to all nations.

• Most desalination occurs in the Middle East.

Tags

NGSS.MS-ETS1-2

Which of the following is NOT a water conservation technique?

• Flood Irrigation

• Reduced-flow showerheads

• Recycling of industrial water

• dual-flush toilets

Which of the following statements about the industrial use of water is NOT correct?

• It is used to refine metals.

• It is used to create steam.

• It is important in generating electricity.

• Its use is becoming less efficient.

• It plays a role in paper making.