Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The highest point of a wave is
its
a. | crest. | c. | trough. | b. | swell. | d. | breaker. |
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2.
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Which natural force creates ocean
waves?
a. | wind | c. | gravity | b. | earthquakes | d. | sunlight |
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3.
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The lowest point of a wave is its
a. | swell. | c. | crest. | b. | trough. | d. | breaker. |
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4.
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The distance between a
wave's crest and its trough is known as its
a. | wave height. | c. | wave length. | b. | water depth. | d. | low
tide measurement. |
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5.
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What do we call a wave that crashes onto the shore. These are the waves
that we like to play and swim in.
a. | a tsunami | c. | the wavelength | b. | the crest | d. | a breaker |
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6.
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In an ocean wave, the water molecules
a. | are only found in the crest | c. | are moving with the
crest | b. | do not move with the wave, only in circles | d. | move across the
ocean |
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7.
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Most water vapor in the
atmosphere comes from
a. | the burning of fossil fuels.
| c. | transpiration from plants.
| b. | evaporation from soil.
| d. | evaporation from oceans.
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8.
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An earthquake in the ocean can create
a. | a breaker | c. | a density current | b. | a whitecap | d. | a tsunami |
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9.
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Which contains the greatest
amount of Earth's freshwater?
a. | groundwater | c. | lakes and rivers | b. | oceans and seas | d. | glaciers and polar ice cap
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10.
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Ocean water differs from
freshwater in that it has
a. | a higher concentration of oxygen | b. | a lower temperature. | c. | a higher concentration of sodium
chloride. | d. | a higher temperature.
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11.
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Which best represents the order
of seafloor features as you move from the shoreline to the deep ocean?
a. | continental shelf à continental slope à continental rise
à mid-ocean ridge | b. | continental rise à continental
shelf à mid-ocean ridge à continental
slope | c. | continental slope à continental
shelf à continental rise à mid-ocean
ridge | d. | mid-ocean ridge à continental rise
à continental shelf à continental
slope |
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12.
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Most modern cities obtain their
drinking water from
a. | desalinated ocean water.
| c. | rivers and streams.
| b. | surface reservoirs.
| d. | underground reservoirs.
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13.
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The map shows ocean currents in the northern
Atlantic Ocean. Which location most likely has the warmest climate?
a. | location A | c. | location C | b. | location D | d. | location B |
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14.
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Which two points most likely have similar climates?
a. | points C and D | c. | points B and D | b. | points A and C | d. | points
A and B |
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15.
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The floor of the ocean
a. | is hidden and unknown | b. | has
rivers and lakes. | c. | is
smooth and sandy. | d. | has
mountains and trenches. |
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16.
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The salts in the sea come from
a. | acid rain. | c. | weathering and erosion of rocks. | b. | organisms that live in the sea | d. | particles falling from space.
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17.
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What are the two dominant
elements in Earth's atmosphere?
a. | nitrogen and oxygen
| c. | oxygen and carbon dioxide
| b. | hydrogen and helium
| d. | silicon and hydrogen |
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18.
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The section of a continent that
lies just off the shoreline and extends beneath the ocean is called the continental
a. | basin. | c. | ridge. | b. | plain. | d. | shelf.
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19.
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If you could look at the deep
ocean floor, which is the best description of what you would see?
a. | coral reefs with many varieties of life
| c. | flat, silt-covered, lifeless regions
| b. | ocean ridges with active volcanoes
| d. | high mountains and deep valleys
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