Ch 15: Earth's Water

Where is most of Earth's water located?

• in the oceans

• in living things

• in lakes and rivers

• in the ground

How does water get from one part of the water cycle to another?

• by changing state

• by changing quality

• by changing turbidity

• by changing polarity

What gives water is unique properties?

• its density

• its lack of color

• its acidity

• its molecular structure

Why does an ice cube float in a glass of water?

• Ice is less dense than water.

• Ice is much colder than water.

• Ice has more adhesion than water.

• Ice is more dense than water.

Which situation represents a point-source pollutant?

• oil along a beach

• a factory smokestack

• runoff from a major city

• smog from a nearby city

What is turbidity?

• the cloudiness of water

• the amount of oxygen in water

• the number of bacteria in water

• the number of organisms in water

Which property of water affects climate in coastal areas?

• density

• turbidity

• specific heat

• cohesion

Which property allows water molecules to attract each other?

• density

• polarity

• turbidity

• adhesion

Clouds form as a result of

• evaproation.

• precipitation.

• transpiration.

• condensation.

About 3 percent of Earth's water is located in

• the oceans.

• living things.

• the atmosphere.

• freshwater bodies.