Deck 13: Water

Question 1

It is estimated that ___% of the water used in the US is wasted.

A)1-2%
B)3-5%
C)8 - 10%
D)30-50%

Answer 1

D

Question 2

Conversion of saltwater to freshwater by boiling and then collecting the steam is known as

A)deionization
B)osmosis
C)reverse osmosis
D)distillation

Answer 2

D

Question 3

Historically speaking, freshwater shortages are a relatively new problem.

Answer 3

False

Question 4

Indirectly speaking, the source of most of the world's freshwater is

A)groundwater
B)oceans
C)soil moisture
D)wetlands

Question 5

Located under Nebraska and seven other states, the ___ Aquifer is the largest known underground freshwater reservoir in the world.

A)Colorado
B)New Mexico
C)Ogallala
D)Western

Question 6

Rain tends to fall

A)equally on both sides of a mountain
B)less on the side known as the mountain's rain shadow
C)more on the side known as the mountain's rain shadow
D)cannot be determined

Question 7

Reverse osmosis to purify water requires a

A)permeable membrane
B)semipermeable membrane
C)screen filter
D)none of these

Question 8

Rivers and streams are

A)extremely large compartments and extremely important parts of the Earth's water supply
B)extremely large compartment but extremely unimportant parts of the Earth's water supply
C) extremely small compartments and extremely unimportant parts of the Earth's water supply
D) extremely small compartments but extremely important parts of the Earth's water supply

Question 9

Saltwater intrusion into water wells is a problem in

A)coastal areas where aquifers are underused
B)coastal areas where aquifers are overused
C)inland areas where aquifers are underused
D)inland areas where aquifers are overused

Question 10

Sinkholes are

A)most commonly found in Florida
B)able to swallow up entire houses
C)able to form without warning in a matter of minutes
D)all of these

Question 11

Soil and water positioned above a layer of rock or clay is known as (a, an)

A)aquifer
B)groundwater
C)soil moisture
D)none of these

Question 12

Subsidence can cause

A)cyclones
B)deforestation
C)sinkholes
D)none of these

Question 13

The area where water infiltrates into an aquifer is known as the

A)recharge zone
B)water table
C)zone of saturation
D)cone of depression

Question 14

The depth below which one must dig for a well is known as the

A) recharge zone
B)zone of saturation n
C)zone of aeration
D)water table

Question 15

The difference between lakes and ponds is that

A)lakes are freshwater and ponds are saltwater
B)lakes are saltwater and ponds are freshwater
C)lakes are larger than ponds
D)ponds are larger than lakes

Question 16

The Earth's largest water compartment is

A)groundwater
B)wetlands
C)soil moisture
D)oceans

Question 17

The main solutions to to water supply problems are

A)legislation to prohibit watering lawns and washing cars
B)legislation to prohibit private swimming pools and golf courses
C)convert hydrogen and oxygen to water as follows 2H₂ + O₂ → 2H₂O
D)clean up water which has already been used, bring in water from somewhere else, or use less

Question 18

The policy handed down by the California Supreme Court stating that government has some obligation to maintain the natural state of public lands is known as

A)the Orange County Agreement
B)Laissez Faire Policy
C)Public Trust
D)Global Harmonizing System (GHS)

Question 19

The term for the sinking of land due to removal of underground liquids such as water or oil is

A) climate change
B)tectonics effect
C)gravity
D)subsidence

Question 20

Water conservation efforts can be both lasting and effective.

Question 21

Water which has already been used for bathing, dishwashing, etc.can sometimes be used for watering gardens or flushing toilets.This water is called ___.

A)green water
B)distilled water
C)recycled water
D)gray water

Question 22

Which is a property of water?

A)gas at room temperature
B)poor solvent (does not dissolve other chemicals easily)
C)solid form is less dense than liquid form
D)can be warmed or evaporated with only a relatively small amount of heat being required

Question 23

Which represents the correct order of the layers, starting with the lowest?

A)zone of saturation, zone of aeration, water table
B)zone of aeration, zone of saturation, water table
C)zone of saturation, water table, zone of aeration
D)water table, zone of saturation, zone of aeration