Chapter 11 key terms

Question 1

Surface Water

Answer 1

fresh water on Earth’s land surface

Question 2

River System

Answer 2

A flowing network of water

Question 3

Watershed

Answer 3

area of land that is drained by a river

Question 4

Groundwater

Answer 4

water found beneath Earth’s surface in the spaces in sediment and rock formations

Question 5

Porosity

Answer 5

Percentage of total volume of rock that has spaces

Question 6

Permeability

Answer 6

Ability of rock or soil to allow water to flow through it

Question 7

Recharge zone

Answer 7

An area of earths surface from which water percolate down

Question 8

Potable

Answer 8

safe to drink

Question 9

Pathogens

Answer 9

organisms that cause illness or disease

Question 10

Dams

Answer 10

built across rivers to control the rivers flow

Question 11

Reservoir

Answer 11

artificial lake

Question 12

Desalination

Answer 12

process of removing salt from salt water

Question 13

Water pollution

Answer 13

introduction of chemical, physical, or biological agents into water

Question 14

Point source pollution

Answer 14

Pollution discharged from a single source

Question 15

Non point source sollution

Answer 15

runoff pollution

Question 16

Wastewater

Answer 16

water that contains waste from home or industry

Question 17

Artificial eutrophication

Answer 17

ignorant plants enter the water from sewage

Question 18

thermal pollution

Answer 18

when powe plants and other industries use water in their cooling systems and then discharrge the warm water into a lake or river

Question 19

Biomagnification

Answer 19

The build up of organisms eating another.