Ch. 11 Key Terms

Question 1

Surface Water

Answer 1

freshwater on Earths land surface.

Question 2

River System

Answer 2

A flowing network of rivers and streams.

Question 3

Watershed

Answer 3

The area of land that is drained by a river is known as a watershed.

Question 4

Groundwater

Answer 4

Water found under the earths surface in sediment and rocks.

Question 5

Aquifer

Answer 5

An underground formation that contains groundwater.

Question 6

Porosity

Answer 6

The percentage of the total volume of a rock that has spaces.

Question 7

Permeability

Answer 7

The ability of rock or soil to allow water to flow through it.

Question 8

Recharge Zone

Answer 8

An area where water percolates down into the aquifer.

Question 9

Potable

Answer 9

Safe to drink

Question 10

Pathogen

Answer 10

Organisms that carry or create illness or disease.

Question 11

Dam

Answer 11

Built across rivers to control the rivers flow.

Question 12

Reservoir

Answer 12

Formed behind a dam.

Question 13

Desalination

Answer 13

The process of removing the salt from saltwater.

Question 14

Water pollution

Answer 14

An introduction of chemical, physical, or biological agents into water that degrades water quality.

Question 15

Point-surface Pollution

Answer 15

Pollution discharged from a single source.

Question 16

Nonpoint-source Pollution

Answer 16

Runoff pollution coming from multiple sources.

Question 17

Wastewater

Answer 17

Water that contains waste from homes or industry.

Question 18

Artificial Eutrophication

Answer 18

Combining sewage, fertilizer, etc.

Question 19

Thermal Pollution

Answer 19

When the temperature of a body of water increases.

Question 20

Biomagnification

Answer 20

Pesticides that is passed on down the organisims.