Water

Question 1

Waters important to the Earth because… (5)

Answer 1

1. ) Essential for all life 60% of a tree, 65% of all animals
2. ) sculpts the earth
3. ) Moderates climate
4. ) Dilutes pollution
5. ) provides food and shelter

Question 2

Waters unique properties

Answer 2

1. ) Strong forces of attraction in hydrogen bonds
2. ) water expands when it freezes
3. ) has high boiling point and low freezing point

Question 3

Surface water

Answer 3

Freshwater above ground lakes, ponds, streams, and rivers

Question 4

Watershed

Answer 4

The entire area of land that is drained by a certain river

Question 5

Groundwater

Answer 5

Water that seeps underground

Question 6

Recharge zone

Answer 6

Area on land where groundwater originates

Question 7

Aquifer

Answer 7

Large amounts of groundwater found in underground rock formations

Question 8

Three causes for water scarcity

Answer 8

• Dry Climate
• Drought
• Water stress

Question 9

Four ways to increase water supply of fresh water in particular areas

Answer 9

1. ) Build dams
2. ) Withdraw groundwater
3. ) Convert salt water to freshwater
4. ) Waste less

Question 10

Pumping groundwater advantages

Answer 10

1. ) Year round
2. ) Not lost due to evaporation
3. ) Less expensive

Question 11

Pumping groundwater disadvantages

Answer 11

1. ) Sinkholes
2. ) Introduction of salt water into aquifer
3. ) Aquifer depletion

Question 12

California Water project

Answer 12

Northern and Southern California have feuded over how the states water should be allocated under this project

Question 13

What percentage of water is lost from evaporation, leaks and waste in the world?

Answer 13

65-70%

Question 14

Floodplain

Answer 14

Land next to a stream or river that floods during heavy rain or snowmelt