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  1. Print the notecards
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  3. Cut out the notecards by cutting along each horizontal dotted line
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  1. Verify Front of pages is selected for Viewing and print the front of the notecards
  2. Select Back of pages for Viewing and print the back of the notecards
    NOTE: Since the back of the pages are printed in reverse order (last page is printed first), keep the pages in the same order as they were after Step 1. Also, be sure to feed the pages in the same direction as you did in Step 1.
  3. Cut out the notecards by cutting along each horizontal and vertical dotted line
To print: Ctrl+PPrint as a list

32 notecards = 8 pages (4 cards per page)

Viewing:

environmental science test

front 1

Most of Earth's liquid freshwater is found ________.

back 1

  1. C) underground

front 2

2) Approximately ________% of Earth's total water is found in ice caps and glaciers.

back 2

  1. A) 79

front 3

3) What percentage of Earth's total water is found in lakes?

back 3

  1. E) 0.013%

front 4

4) Which of the following is TRUE?

back 4

  1. D) Most of Earth's fresh water is frozen.

front 5

5) What percentage of Earth's fresh water is found in oceans?

back 5

  1. D) 0%

front 6

6) What percentage of Earth's fresh water is found in rivers?

back 6

  1. D) 0.001%

front 7

7) Only about 2.5% of all the water on our planet is fresh water, and

back 7

B) most of this is far from where humans live

front 8

8) Most of the precipitation that falls onto Earth's surface ________.

back 8

  1. C) either runs off to form rivers or filters down into underground aquifers

front 9

9) One-fifth of Earth's total freshwater supply is in ________.

back 9

  1. C) groundwater

front 10

10) An artesian aquifer occurs where ________.

back 10

C) a water-bearing layer is trapped between two layers that are less permeable

front 11

11) Humans use more fresh water for ________ than for any other purpose.

back 11

C) agricultural irrigation

front 12

12) Which of the following best describes a floodplain?

back 12

  1. A) a region of land that is periodically flooded when a river overflows

front 13

13) Which of the following statements is TRUE regarding the future risks of decadal (11-year) and multi-decadal (35-year) droughts in the southwestern United States and Great Plains?.

back 13

  1. E) Models indicate that both regions are more likely to experience decadal and multi-decadal droughts in the latter half of the 21st century than during the latter half of the 20th century.

front 14

14) Dam removal in the United States ________.

back 14

  1. B) will probably continue because the environmental impacts of dams are reviewed periodically

front 15

15) Why was the irrigation of Soviet cotton farming operations a problem?

back 15

C) It drained the Aral Sea and increased the salt content of soils.

front 16

16) Sinkholes can result from ________.

back 16

  1. A) overconsumption of water from aquifers

front 17

17) Which of the following will contribute to water conservation?

back 17

  1. D) watering lawns at night, using low-flow faucets, and landscaping with native plants

front 18

18) Gray water can ________.

back 18

  1. A) often be used for irrigation and watering lawns

front 19

19) Which of the following is one of the major pollutants of groundwater?

back 19

  1. C) agricultural chemicals

front 20

20) The fish in the lake at the local park are dying, and a professor from the local college comes to investigate. First she measures the levels of dissolved oxygen because she wants to check for ________.

back 20

  1. C) hypoxia

front 21

21) A watershed is ________.

back 21

  1. A) the area of land that drains into a river or lake

front 22

22) "Blue-baby" syndrome is a consequence of excess ________ in the water supply.

back 22

B) nitrates

front 23

23) Levees are used ________.

back 23

C) to prevent flooding and facilitate shipping

front 24

24) A key characteristic of aquatic dead zones is ________.

back 24

  1. D) a low concentration of oxygen

front 25

25) Why is grain production in the Great Plains considered largely unsustainable?

back 25

A) The Ogallala aquifer is being depleted for irrigation water.

front 26

26) A septic system is ________.

back 26

  1. B) a rural method of processing wastewater

front 27

27) In a municipal wastewater treatment plant, the primary treatment step includes ________

back 27

  1. D) letting sewage sit in large settling tanks so suspended solids can settle out

front 28

28) "Biosolids" produced at a wastewater treatment plant are often ________.

back 28

  1. D) used as crop fertilizer

front 29

29) The resource allocation of the Colorado River's water is being complicated by ________.

back 29

  1. A) the rapid growth of Las Vegas

front 30

30) A recent study has revealed that chlorinated solvents, gasoline, and radioactive compounds have become significant pollutants in ________ from ________.

back 30

A) groundwater; leaking storage tanks

front 31

31) Overpumping groundwater in coastal areas can cause ________ to move into aquifers, making the water undrinkable.

back 31

  1. E) saltwater

front 32

32) Xeriscaping can save water by ________.

back 32

  1. C) planting native or drought-resistant landscaping plants