Resources
Management
Pollution
Vocabulary
Mystery
100
_____  ______ make up less than 1% of freshwater, and includes lakes, streams and rivers..
Surface water
100
structure build across a river to control a river's flow
dam
100
water that contains wastes from homes and industry
wastewater
100
water that is safe to drink
potable
100
introduction of physical, chemical and biological agents into water that lowers water quality
water pollution
200
purpose of adding chlorine in the water treatment process
kill bacteria
200
Irrigation is used in _____.
agriculture
200
pollution discharged from a single source
point-source pollution
200
hole that is dug or drilled to reach groundwater
well
200
continuous movement of water between Earth and it atmosphere
water cycle
300
underground rock formation that hold water
aquifer
300
inexpensive solution to providing fresh water to use 
water conservation
300
accumulation of pollutants at successive levels of the food chain
biomagnification
300
ability of a rock or soil to allow water to flow through
permeability
300
disease-causing bacteria, viruses, or parasitic worms that contaminate the water supply
pathogens
400
Many cities get water for households and industry from ____ and ____.
rivers and lakes
400
True or False:

a. Dams allow a river's natural power to be converted to useful energy.

b. Dams are built to resolve disputes between neighboring countries.

c. Water behind the dam undergoes change because of the change in the flow of the river. 

a. true


b. false

c. true

400
Most ocean pollution comes from ___(phrase)___________.
human activities on land
400
The amount of space between particles that make up rock determines its _____.
porosity
400
Manufacturing, generating power, and disposal a waste products are ______ uses of water.
industrial
500
What is the relationship between surface water and groundwater?
Surface water percolates through the soil to form groundwater.
500
artificial lake created by building a dam
reservoir
500
Thermal pollution depletes ____ from the water
oxygen
500
large area of land that is drained by a river
watershed
500
Discuss two effective approaches to preventing future shortages of usable water.
each individual doing their part to conserve water, reduce pollution, education, enforcement of laws, desalination
M
e
n
u