Question 1

Which property of water enables it to be an effective coolant?

Accepted Answer

freezing point

Answer

heat capacity

Answer

polarity

Answer

salinity

Question 2

What property of water is most important for living organisms?

Accepted Answer

It is a liquid at most temperatures on Earth

Answer

It is tasteless.

Answer

It does not conduct electricity

Answer

It is odorless.

Question 3

Which of the following major processes are involved in the water cycle?

Accepted Answer

evaporation, condensation, and precipitation

Answer

condensation, diffusion, and melting

Answer

evaporation, melting, and perspiration

Answer

melting, diffusion, and evaporation

Question 4

Nature’s way of recycling the water on earth is through the ____________________.

Accepted Answer

continuous evaporation and condensation of water

Answer

evaporation of the water from the sun.

Answer

condensation of water vapor.

Answer

seepage of water under the ground.

Question 5

Water returns in the Earth’s surface through the process of __________.

Accepted Answer

precipitation

Answer

boiling

Answer

transpiration

Answer

evaporation

Question 6

Which best explains why so little of the water on earth is available for human use?

Accepted Answer

97% of total water on earth is salt water, and most of the remaining 3% is freshwater frozen ice caps and glaciers

Answer

97% of total water on earth is salt water, and most of the remaining 3% is freshwater found in lakes, rivers 
and ponds.

Answer

97% of total water on earth is freshwater, and most of the remaining 3% is salt water in the ocean basins

Answer

97% of total water on earth is freshwater, and most of the remaining 3% is salt water found in underground aquifers.

Question 7

Which factor will increase the salinity of seawater in a given area?

Accepted Answer

flow of river water to sea

Answer

melting of sea ice

Answer

freezing of seawater

Answer

precipitation at sea

Question 8

Which is an example of water condensing?

Accepted Answer

dew forming on plants during a cold night

Answer

a puddle disappearing on a hot summer afternoon

Answer

sweat forming on your forehead after you do a lot of exercise

Answer

ice cubes melting when you put them out of the sun

Question 9

Which two sources of freshwater are used by municipalities for drinking water?

Accepted Answer

rivers and groundwater

Answer

groundwater and oceans

Answer

oceans and ice bergs

Answer

icebergs and rivers

Question 10

Which represents the distribution of water on Earth?

Accepted Answer

3% freshwater, 97% saltwater

Answer

97% freshwater, 3% saltwater

Answer

29% freshwater, 71% saltwater

Answer

71% freshwater, 3% saltwater

Question 11

When water and other liquids stick together to form drops or thin films it is called _____.

Accepted Answer

adhesion

Answer

surface tension

Answer

capillary action

Answer

cohesion

Question 12

What two elements make up water?

Accepted Answer

hydrogen and oxygen

Answer

helium and carbon

Answer

oxygen and carbon

Answer

helium and oxygen

Question 13

Water is a good solvent because _____.

Accepted Answer

polarity allows it to dissolve.

Answer

it is consist of hydrogen and oxygen.

Answer

it flows.

Answer

it has specific heat.

Question 14

a water strider can skate along the top of the pond water because of _____.

Accepted Answer

surface tension

Answer

capillary action

Answer

specific heat

Answer

adhesion

Question 15

The Earth is called the blue planet because _____.

Accepted Answer

it is covered with water.

Answer

it reflects heat from the sun.

Answer

it is the color of the planet that is displayed after absorbing sunlight.

Answer

it reflects the color of the sky.

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