ch. 11 key terms

Question 1

surface water

Answer 1

all the bodies of fresh water, salt water, ice, and snow that are found above ground

Question 2

river system

Answer 2

a flowing network of rivers and streams draining a river basin

Question 3

watershed

Answer 3

the area of land that is drained by a water system

Question 4

groundwater

Answer 4

the water that is beneath the earths surface

Question 5

aquifer

Answer 5

a body of rock or sediment that stores groundwater and allows the flow of groundwater

Question 6

porosity

Answer 6

the percentage of the total volume of a rock or sediment that consist of open spaces

Question 7

permeability

Answer 7

the ability of a rock or sediments to let fluids pass through its open spaces or pores

Question 8

recharge zone

Answer 8

an are in which water travels downward to become part of an aquifer

Question 9

potable

Answer 9

suitable for drinking

Question 10

pathogen

Answer 10

a microorganism, another organism, a virus, or a protein, that causes disease; an infectious agent

Question 11

dam

Answer 11

a structure that is built across a river to control a rivers flow

Question 12

reservoir

Answer 12

an artificial body of water that usually forms behind a dam

Question 13

desalination

Answer 13

a process of removing salt form ocean water