Chapter 20Water

The process by which water is brought to an area for use on crops is called

• desalination

• purification

• irrigation

• sedimentation

The largest consumer of water in the United States is

• agriculture

• industry

• urban centers

• residential areas

In the home, most water is used for

• cooking

• drinking

• personal hygiene

• washing dishes

Water that is fit for use as drinking water is said to be

• polluted

• runoff

• contaminated

• potable

The type of irrigation that makes use of sprinkler systems is

• food irrigation

• drip, or trickle, irrigation

• furrow irrigation

• overhead irrigation

The most wasteful and inefficient type of irrigation is

• flood irrigation

• drip, or trickle, irrigation

• overhead irrigation

• subirrigaiton

Tags

NGSS.MS-ETS1-3

Many reservoirs are fed by underground water supplies flowing in

• pipes

• aquifers

• streams

• runoff

Tags

NGSS.MS-ESS2-4

The water-treatment process is which water is forced into the air is called

• purification

• aeration

• sedimentation

• filtration

Particles in water are able to settle out by

• filtration

• aeration

• boiling

• sedimentation

Two chemicals used to purify water are

• bicarbonate and calcium

• sulfur and oxygen

• fluorine and sodium

• ozone ad cholrine