Ch 11 study guide

Law designed to improve water quality

1972 clean water act

How much of earths water is fresh water

3%

Fertilizers are classified as which kind of water pollutant? A. Organic chemicals B. Inorganic chemicals C. Heavy metals D. Physical agents

A

Water diversion projects may involve the movement of water to dry regions using A. Canals B. Dams C. Reservoirs D. Sprinklers

A

Which of the following is a source of point pollution? A. Unlined landfill B. Runoff from city streets C. Precipitation containing air pollution D. Runoff from farms

A

A hole that is dig into the ground to obtain fresh water is called

A well

Underground formation containing groundwater

Aquifer

Industrial water use includes which of the following activities A. Irrigation B. Power generation C. Drinking D. Car washing

B

Many areas of the world that don't have adequate fresh water have become habitable because A. Rainfall patterns have changed B. Water management projects have diverted water to the areas C. Icebergs have been towed in to provide fresh water D. People have practiced water conservation

B

One reason polluted groundwater pollution is difficult to clean is that A. The location of underground storage tanks is not always known B. Pollutants cling to the materials that make up aquifers C. Runoff contaminates the water supply D. All

B

What is the purpose of adding alum to water during the water treatment process? A. To filter and remove large organisms and trash B. To form flocs that bacteria and other impurities will cling to C. To prevent bacterial growth D. To remove unwanted gases

B

Most of the oil that pollutes the ocean comes from A. Operating boats and personal watercraft B. Spills from oil tankers C. Runoff from cities and towns D. Leaking underground storage facilities

C

Point source pollution and non point source pollution differ in A. The kind of biological agents causing the pollution B. Whether the source of pollution is agricultural or industrial C. The number of sources from which the pollution is discharged D. Whether the pollutants are chemical or physical agents

C

Surface water becomes groundwater when it A. Moved below the water table B. Condenses to form drops of liquid water C. Percolates into the recharge zone D. Flows onto the ground through a spring

C

Water treatment involves A. Adding pathogens B. Adding mercury C. Adding chlorine D. Removing fluoride

C

Which of the following doesn't make up part of earths surface A. Wetlands B. Rivers C. Aquifers D. Lakes

C

Earths surface water is found in? A. Lakes B. Rivers C. Streams D. All

D

How is fresh water used in industry? A. In manufacturing processes B. In the disposal of waste products C. To generate power D. All

D

Polluted groundwater is difficult to clean up because A. Groundwater is deep in the ground and dispersed through large areas of rock B. Pollutants cling to the materials that make up the aquifer and contaminate the clean water C. The recycling process of groundwater can take hundreds or thousands of years D. All

D

Sources of ocean pollution include A. Oil spills B. Direct dumping of wastewater C. Activities on land D. All

D

The 3 major global uses of fresh water are A. Manufacturing goods, wastewater disposal, and irrigation B. Drinking, bathing, and growing crops C. Drinking, manufacturing goods, and generating power D. Residential, agricultural, and industrial uses

D

Which act strengthened the laws against dumping waste in us waters A. Marine protection, research, and sanctuaries act B. Clean water act C. Water quality act D. Both a and b

D

Which of the following activities accounts for the greatest percentage of fresh water used worldwide A. Drinking B. Washing C. Manufacturing D. Irrigating crops

D

Which of the following statements helps explain why fresh water is a limited resource A. Most of earths water is salt water B. About 71% of earths surface is covered by water C. Most of earths fresh water is not liquid water useable by humans D. Both a and c

D

Which of the following would be the best way for a desert farmer to reduce water loss from evaporation and seepage and thus conserve water? A. Dip deeper wells B. Recycle cooling water and wastewater C. Install low flow toilets D. Install a drip irrigation system

D

surface water that percolates through soil

Groundwater

method of providing water to plants other than by precipitation

Irrigation

Multiple sources

Non point source pollution

Animal feces would be classified as which type of water pollutant?

Organic matter

Bacteria

Pathogen

Disease causing organism

Pathogen

A rocks ability to allow the flow of water through it is called what

Permeability

Bottled water

Potable

Safe to drink

Potable

the area of the earth's surface where water percolates down into the aquifer

Recharge zone

Artificial lake

Reservoir

Area above an aquifer

Rexharge zone

97% of the worlds water resources are found in?

Salt water

Results in an increase of water temp

Thermal pollution

Water that contains waste from industry or homes

Wastewater

Introduction of chemical, physical, or biological agents into water

Water pollution

Area of land drained by a river

Watershed

Mississippi river

Watershed

Accelerated build up of nutrients caused by humans

artificial eutrophication

Fertilizer runoff

artificial eutrophication

Accumulation of pollutants at successive levels of the food chain

biomagnification

Process of removing salt from salt water

desalination

Water stored under earths surface

groundwater

Flowing network of surface water

river system