WAVES SAMPLE PARTIAL TEST BANK
  • For every 100 pounds of sea water, the approximate amount of dissolved matter is: (a) 1 pound; (b) 2 pounds; (c) 3 1/2 pounds; (d) 5 1/2 pounds; (e) 7 1/2 pounds.
  • A cold ocean current in the North Atlantic is the: (a) Labrador Current; (b) Gulf Stream; (c) Humboldt Current; (d) El Niño; (e) Kamchatka Current.
  • The coldest, deepest, and densest ocean current in the Atlantic is the: (a) Gulf Stream; (b) Jet Stream; (c) Antarctic Bottom Waters; (d) North Atlantic Deep Waters; (e) Kuroshio Current.
  • Waves are caused by: (a) differences in salinity; (b) differences in temperatures of the water; (c) differences in the water's turbidity; (d) the wind; (e) ALL of these.
  • The amount of mud suspended in water is the: (a) turbidity; (b) fetch; (c) gradient; (d) drawdown; (e) regolith.
  • If the wave length is 30 feet, the wave height is 10 feet, and the period of the wave is 5 seconds, the speed of the wave is: (a) 30 feet per second; (b) 10 feet per second; (c) 6 feet per second; (d) 5 feet per second; (e) 2 feet per second.
  • The minimum water level due to the right angle (out of line) position of the sun, moon, and earth is the: (a) ebb tide; (b) flood tide; (c) neap tide; (d) spring tide; (e) recharge.
  • The maximum water level due to the straight alignment of the sun, moon, and earth is the: (a) ebb tide; (b) flood tide; (c) neap tide; (d) spring tide; (e) recharge.
  • Oxygen is most abundant in ocean water: (a) in the Antarctic Bottom Waters; (b) in water midway between the floor and the surface; (c) near the surface; (d) in a zone somewhat below the surface but not to middle depths; (e) in both A and B above.
  • Which of the following does NOT describe ocean currents? (a) They have an influence on climate; (b) They remain in constant motion; (c) They flow mainly at the ocean's surface; (d) They distribute dissolved food and minerals; (e) They play a part in the world's heat budget.
  • Which of the following does NOT determine the size of a wave? (a) fetch; (b) strength of currents; (c) wind velocity; (d) length of time wind has been blowing.
  • The time from when one wave trough passes until the next one passes is the: (a) crest; (b) swash; (c) wave height; (d) speed; (e) period.
  • The shoreward rush of water formed as a wave pushes up the beach is the: (a) swash; (b) backwash; (c) fetch; (d) berm; (e) rip current.
  • A warm ocean current in the North Atlantic is the: (a) Labrador Current; (b) Gulf Stream; (c) Humboldt Current; (d) El Niño; (e) Kamchatka Current.
  • The length of open water over which the wind steadily blows is the: (a) turbidity; (b) fetch; (c) gradient; (d) drawdown; (e) regolith.
  • If the wave length is 20 feet, the wave height is 10 feet, and the period of the wave is 5 seconds, the speed of the wave is: (a) 20 feet per second; (b) 10 feet per second; (c) 5 feet per second; (d) 4 feet per second; (e) 2 feet per second.
  • The speed of this wave is: (a) 10 miles per hour; (b) 5 miles per hour; (c) 20 feet per second; (d) 2 feet per second; (e) 10 feet per second.
  • The salinity of ocean water at low latitudes is: (a) unpredictable; (b) low at the surface and high at depth; (c) high near the surface and high at depth; (d) high near the surface and low at depth; (d) uniform throughout.
  • Movement of surface water in the South Atlantic: (a) is in exactly the same direction as the prevailing winds; (b) helps transfer heat from high to low latitudes; (c) is counterclockwise around the subtropical gyre; (d) is ALL of these; (e) is NONE of these.
  • Ocean currents are caused chiefly by: (a) the earth's winds; (b) the earth's rotation; (c) the moon's gravitational force; (d) unequal rainfall over the earth's surface; (e) ALL of these.
  • The density of ocean water depends on: (a) temperature; (b) salinity; (c) sediment content; (d) depth; (e) ALL of these.
  • It is true that: (a) the water in a current makes a circular motion; (b) the water in a wave is transported; (c) the water in a current is transported; (d) ALL the water below the wave is affected by its motion; (e) ALL of these are true.
  • Which of the following is NOT true about the Antarctic Bottom Waters? (a) they flow north past the equator in the Atlantic Ocean; (b) they are fast moving currents; (c) they are the coldest and deepest of the Atlantic currents; (d) they have a high salinity; (e) they lose their identity north of the equator.
  • Surface ocean currents affect the total environment of the earth by transporting: (a) heat; (b) dissolved solids; (c) dissolved gases; (d) solid particles; (e) ALL of these.
  • The tidal cycle is: (a) 12 hours; (b) 18 hours 35 minutes; (c) 24 hours; (d) 24 hours and 50 minutes; (e) 2 days.
  • The temperature at which sea water freezes is about 28°F because of the: (a) oxygen content; (b) carbon dioxide content; (c) salinity; (d) sea life; (e) mixing with warmer water.
  • The thermocline is: (a) at low altitudes during the day and high altitudes at night; (b) the atmospheric layer just above the tropocline; (c) the oceanic depth zone in which water temperature changes most rapidly; (d) the water where freezing increases the salinity; (e) a special kind of isobar.
  • The West Wind Drift in the Southern Hemisphere is: (a) a current that circumnavigates the globe; (b) a Pacific Ocean current; (c) an Atlantic Ocean current; (d) called the Gulf stream; (e) not an ocean current.
  • Salts in sea water are derived from: (a) rock weathering on the continents; (b) volcanic activity; (c) dust from meteorites; (d) dissolved solids; (e) ALL of these.
  • It is true that: (a) the water in a current is transported; (b) the water in a wave is transported; (c) the water in a current makes a circular motion; (d) all the water below the wave is effected by its motion.
  • The highest lake waves cannot be as big as the highest ocean waves because of: (a) shorter fetch; (b) lower salinity; (c) less depth of water; (d) less turbulence; (e) ALL of these.
    Use Diagram C to answer the questions.

  • Z is a(n): (a) offshore bar; (b) baymouth bar; (c) spit; (d) berm; (e) longitudinal dune.
  • AA is BEST called a(n): (a) arroyo; (b) bay; (c) fiord; (d) playa; (e) lagoon.
  • BB is a(n): (a) barchan; (b) baymouth bar; (c) tombolo; (d) hook; (e) estuary.
  • CC is a(n): (a) sea arch; (b) spit; (c) cove; (d) wave-cut cliff; (e) stack.
  • DD is a(n): (a) offshore bar; (b) baymouth bar; (c) spit; (d) longitudinal dune; (e) blowout.
  • EE is a(n): (a) ventifact; (b) playa; (c) lagoon; (d) promontory; (e) estuary.
  • FF is a(n): (a) wave-cut terrace; (b) wave-cut cliff; (c) wave-built terrace; (d) stack; (e) cove.
  • The direction of the longshore current is: (a) north to south; (b) south to north; (c) east to west; (d) west to east; (e) not identifiable from this information.
  • Features Z, BB, CC, 22, DD, FF, were formed by the agent: (a) wind; (b) running water; (c) ground water; (d) glaciers; (e) waves.
  • The process which formed Z, BB, CC, 22, DD, and FF was: (a) eolian; (b) fluvial; (c) solution; (d) glaciation; (e) wave action.
  • The landform at 22 is a(n): (a) natural bridge; (b) hook; (c) stack; (d) sea arch; (e) sea cave.
  • In the future, 22 will become a(n): (a) kame; (b) spit; (c) offshore bar; (d) stack; (e) stalagmite.
  • A coral island formed around a now submerged volcano is BEST called a(n): (a) guyot; (b) atoll; (c) continental rise; (d) talus; (e) seamount.
  • Depositional features of coastlines include: (a) ventifacts; (b) tombolos; (c) sea cliffs; (d) stacks; (e) erratics.
  • An ideal harbor would NOT: (a) have deep water close to shore; (b) have a small tidal range; (c) have good inland transportation facilities; (d) be a headland of the shore; (e) remain accessible all year.
  • Sea arch is to stack as: (a) trough is to glacier; (b) wind gap is to water gap; (c) sinkhole is to cavern; (d) cutoff is to oxbow lake; (e) horn is to cirque.
  • Wave cut terraces are associated with: (a) cirques; (b) sinkholes; (c) stacks; (d) ventifacts; (e) erratics.
  • We can generally expect that on an irregular coastline: (a) bays will be cut back deeper and headlands will be built out farther; (b) headlands will be eroded and bays will be the site of deposition; (c) erosion and deposition will be uniform; (d) breakers will be nonexistent; (e) no deposition or erosion will occur.
  • Evidence of a submergent shoreline might be: (a) a sea cave high above sea level; (b) marine fossils found on mountain tops; (c) clay deposits on the continental shelf; (d) the presence of an estuary; (e) ALL of these.


    Go to the Glossary of Landform Terms.


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