The Water Cycle

Question 1

What drives the water cycle

Answer 1

the sun

Question 2

Ice and snow sometimes ….. into water vapor

Answer 2

sublimate

Question 3

What does water do as it rises

Answer 3

condenses

Question 4

What happens when water condenses

Answer 4

clouds form

Question 5

Ice caps and glaciers store ……

Answer 5

water

Question 6

Snow packs …….

Answer 6

melt

Question 7

Precipitation returns water to …… or ………

Answer 7

ocean;land

Question 8

Water is continuously recycled. T or F

Answer 8

True

Question 9

Aquifer

Answer 9

layers of porous rock or sand
allow water seepage
saturation occurs

Question 10

Aquifers are also considered

Answer 10

groundwater

Question 11

Theories of where Earth’s water came from

Answer 11

cooling of Earth caused water to condense
torrential rains formed most of oceans
comets and water rich asteroids may have contributed

Question 12

What is one of the three main requirements for life

Answer 12

water

Question 13

Water is an excellent ……. for many substances

Answer 13

solvent

Question 14

Water is a good medium for ………… reaction

Answer 14

biochemical

Question 15

Water is only found in abundance on Earth. T or F

Answer 15

True

Question 16

Metabolites/nutrients are ……… through water

Answer 16

easily transported

Question 17

Water covers …… of the Earth’s surface

Answer 17

75%

Question 18

What comprises a majority of the volume of plants and animals

Answer 18

water

Question 19

Only ….. of water is usable as freshwater

Answer 19

3%

Question 20

Most freshwater is ………..

Answer 20

bound and frozen

Question 21

Water is non-renewable source. T or F

Answer 21

False

Question 22

The water cycle is also known as the

Answer 22

hydrologic cycle

Question 23

The water cycle is important to many organism because…..

Answer 23

water helps transport and cycle nutrients

Question 24

Homeostasis is maintained by …….

Answer 24

water

Question 25

Water’s properties

Answer 25

surface tension
solvent
capillarity
high specific heat of vaporization

Question 26

What is the leading cause of death and disease

Answer 26

water contamination

Question 27

Water contamination is a ……… problem

Answer 27

global

Question 28

Approximately …. of water sources in US are polluted

Answer 28

50%

Question 29

Other sources of water pollution include natural phenomena such as

Answer 29

volcanoes
storms
algae blooms
earthquakes

Question 30

Point source pollution

Answer 30

identifiable source

Question 31

Where does point source pollution discharge from

Answer 31

a pipe, ditch, ship, or factory

Question 32

Clean Water Act

Answer 32

federal law that regulates pollutant discharge

Question 33

What are the two common types of point source pollution

Answer 33

factories and sewage treatment plants

Question 34

Effluent pollution

Answer 34

certain factories expel more than one types of pollutant

some factories mix waste with urban runoff

Question 35

NPDES

Answer 35

permit program created by the clean water act to regulate point source pollution

Question 36

Nonpoint source pollution

Answer 36

water pollution that usually occurs from runoff

unidentifable sources

Question 37

What is the primary cause of pollution in the US

Answer 37

nonpoint source pollution

Question 38

Nonpoint pollution is easy to regulate. T or F

Answer 38

False

Question 39

Example of nonpoint source pollution

Answer 39

water flowing across a parking lot, picking up oil

Question 40

Livestock farms are ………… of pollution

Answer 40

point sources

Question 41

Livestock waste is approximately ……. than human waste

Answer 41

14x greater