Water Pollution/resources

Question 1

Hydrological cycle

Answer 1

The movement of water in the seas air and on land

Question 2

Groundwater

Answer 2

One of our most important sources of freshwater and a key component of the earths natural capital

Question 3

Zone of saturation

Answer 3

The spaces in soil and rock close to the earths surface hold little moisture

Question 4

Water table

Answer 4

Top of the ground water zone

Question 5

Aquifers

Answer 5

Underground water between layers of sand gravel and bedrock

Question 6

Surface water

Answer 6

The freshwater from precipitation and snow melt that flows across the earths surface that ultimately goes into our oceans

Question 7

Watershed

Answer 7

The land from which surface water drains into a particular river lake wetland or other body of water

Question 8

Surface runoff

Answer 8

Precipitation will hat does not infiltrate the ground or return to the atmosphere by evaporation

Question 9

Reliable surface runoff

Answer 9

The amount of surface runoff that we can generally count on as a source of freshwater from year to year

Question 10

Drought

Answer 10

A prolonged period in which precipitation is at least 70% Lower and evaporation is higher than normal in an area that is normally not dry

Question 11

Reservoir

Answer 11

An artificial lake that is created by a dammed river

Question 12

Dam

Answer 12

A structure built across a river to control the rivers to control the river water flow

Question 13

Floodplain

Answer 13

An adjacent area to a flooding stream that overflows and spills into it

Question 14

Water pollution

Answer 14

Any chemical biological or physical change in water quality that harms living organisms or makes water unsuitable for desired users

Question 15

Point sources

Answer 15

Discharge pollutants at specific locations that are dumped into bodies of water

Question 16

Non point sources

Answer 16

Unknown origin and no specific areas you can point to that enter bodies of water or air

Question 17

Cultural eutrophication

Answer 17

Urban or agricultural areas where people speed up the input of plant nutrients to a lake

Question 18

Septic tank

Answer 18

A large field where sewage from each house is stored

Question 19

Primary sewage treatment

Answer 19

A physical process that uses screens and a grit tank to remove large floating objects and allow solids such as sand and rock to settle out

Question 20

Secondary sewage treatment

Answer 20

A biological process in which aerobic bacteria remove as much as 90% of dissolves and biodegradable oxygen demanding organic wastes

Question 21

Subsidence

Answer 21

The land sinking from the aquifers being sucked down