What is a substance that is dissolved in a solution?
a. colloid
b. solute
c. solvent
d. suspension |
| Answer: b |
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What is the process through which plants release water through stomata and plant surfaces?
a. condensation
b. evapotranspiration
c. sublimation
d. transpiration |
| Answer: d |
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Which is a true statement regarding water?
a. Water can be found in four physical states.
b. Water has a low heat capacity due to its polarity.
c. Water is known as the universal solute.
d. Water molecules have a slight tendency to split apart. |
| Answer: d |
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Water vapor in the atmosphere may condense to liquid as air cools, a process known as _____.
a. condensation
b. evaporation
c. precipitation
d. sublimation |
| Answer: a |
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What is an estuary?
a. a thick, muddy area of shallow water
b. a stream smaller than a river that flow into rivers, lakes, and oceans
c. an area of land covered with shallow water and plants such as cattails
d. an area where a freshwater stream flows into an ocean or a saltwater lake |
| Answer: d |
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What force permits a water droplet to stick to a leaf?
a)adhesion
b)capillarity
c)cohesion
d)salinity
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| Answer: a |
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A mixture of salt water and fresh water is called _____ water.
a)brackish
b)mineral
c)potable
d)saline
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| Answer: a |
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What occurs when some of the molecules on the surface of a liquid turn into a gaseous form as a result of heat?
a)condensation
b)evaporation
c)precipitation
d)sublimation
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| Answer: b |
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Water makes up about _____ percent of plants and about _____ percent or more of muscles and internal organs in animals.
a)10 to 20. 15
b)30 to 40, 55
c)70 to 80, 75
d)90 to 95, 65
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| Answer: c |
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Which is a true statement?
a)As the glaciers and icecaps melt, there is a net increase in the total amount of water on the planet.
b)Because water cycles there will probably never be a shortage of fresh water for human use.
c)There is the same amount of water on earth as there was when the earth was formed.
d)Water on earth is being used at an alarming rate and is not being replenished as quickly as it is being used.
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| Answer: c |
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What is condensation of water vapor in the atmosphere into tiny droplets close to the ground?
a)cloud
b)dew
c)fog
d)frost
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| Answer: c |
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What is the horizontally movement of water below the surface?
a)infiltration
b)percolation
c)runoff
d)throughflow
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| Answer: d |
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What happens to most precipitation that falls?
a)It becomes runoff.
b)It evaporates quickly.
c)It fills aquifers.
d)It infiltrates the soil.
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| Answer: a |
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Which type of stream has the highest streamflow?
a)brook
b)canal
c)creek
d)river
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| Answer: d |
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Which nonflowing body is defined as a large body of stored water?
a)marsh
b)pond
c)reservoir
d)slough
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| Answer: c |
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