Environmental Stewardship Water Issues Unit Test The global water cycle involves

Question

Environmental Stewardship

Water Issues Unit Test

The global water cycle involves two opposing processes (fluxes): evaporation and precipitation. Which one of the following statements about these processes is incorrect?

Question 1 options:

86% of all evaporation comes from the global ocean.

78% of all precipitation occurs over the oceans.

14% of all evaporation comes from the global ocean.

22% of all precipitation occurs over land.

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Question 2 (1 point)

Which one of the following contains the largest percentage of the freshwater found on Earth?

Question 2 options:

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Question 3 (1 point)

Regarding Earth's fresh water supply, which of the following contains the greatest volume of fresh liquid water?

Question 3 options:

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Question 4 (1 point)

Approximately how much of all the water found on Earth occurs in the global ocean?

Question 4 options:

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Question 5 (1 point)

Due to the curvature of the earth, sunlight is not evenly distributed over its surface. The result is that the surface near the equator tends to be hotter, thus creating large convection currents in the troposphere. These convection currents are called:

Question 5 options:

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Question 6 (1 point)

As moist, warm air near the surface of the earth rises into the upper troposphere, what happens?

Question 6 options:

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Question 7 (1 point)

What is thermohaline circulation?

Question 7 options:

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Question 8 (1 point)

The dry, leeward side of a mountain range (the side away from the prevailing winds) is called:

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Question 9 (1 point)

The seasonal variations in climate vary over the surface of the earth. These variations are usually more pronounced the further away from the equator one travels. What are the primary causes for the seasons we experience? (Make sure to check ALL that apply!)

Question 9 options:

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Question 10 (1 point)

What is the main way desalination is performed currently and will likely stay that way for the foreseeable future?

Question 10 options:

Forward Osmosis

Reverse Osmosis

Semi-batch reverse Osmosis

Hybrid-thermal membrane technology

Flow-through electrode capacitive desalination (FTE-CD)

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Question 11 (1 point)

What is an aquifer? (USGS Groundwater)

Question 11 options:

The zone beneath a permeable layer underground that holds water

A permeable layer in the ground that water can seep through

The water that backs up behind a dam

Recirculated Water

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Question 12 (1 point)

The majority of the major aquifers in the world are being depleted unsustainably (being used faster than they are being replenished)

Question 12 options:

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Question 13 (2 points)

What are the major functions of dams? Check all that apply

Question 13 options:

Irrigate Crops

Recreational Use

Provide Hydroelectric Power (Electricity Production)

Supply water

Control Flooding

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Question 14 (1 point)

What category out of eight main uses of water accounts for the largest usage of water?

Question 14 options:

a) Public Supply

Domestic

Irrigation

Thermoelectric Power

Industrial

Mining

Livestock

Aquaculture

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Question 15 (1 point)

What three categories cumulatively account for approximate 90% of human water use?

Question 15 options:

Livestock, irrigation, public supply

Mining, Industrial, Thermoelectric

Thermoelectric, irrigation, public supply

Public Supply, Industrial, Domestic

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Question 16 (1 point)

Irrigation water usage per acre has _________ in the U.S. due to the use of sprinkler systems.

Question 16 options:

Increased

Decreased

Stayed the same

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Question 17 (1 point)

What steps have Thermoelectric Power plants taken to decrease the usage of water in recent years? (Check all that apply)

Question 17 options:

They have/are implement new policies to minimize adverse effects on aquatic life

They are decreasing coal usage allowing more water-efficient cooling technology

They are using recirculating or dry cooling systems

They have not decreased the amount of water used in recent years.

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A)

86% of all evaporation comes from the global ocean.

B)

78% of all precipitation occurs over the oceans.

C)

14% of all evaporation comes from the global ocean.

D)

22% of all precipitation occurs over land.

Explanation / Answer

1)D)22% of all precipitation occurs over the land.

2)A)oceans

3)D)oceans

4)B)75%

5)D)tropical easterlies

6)A)It heats up and losses its moisture as precipitation.

7)D)The large scale movement of warm,moist air over the oceans onto large land masses resulting in air losing its moisture and becoming dryer.

8)B)The coriolis effect

9)B)The fact that earth rotates around the sun.

10)B)reverse osmosis

11)A)The zone beneath the permeable layer underground that holds water

12)A)true

13)E)control flooding

14)a)Public supply

15)A)livestock,irrigation,public supply

16)B)decreased

17)C)They are using recirculating or dry cooling systems

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