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Test Ch 13 Part1
Test Description: Ch 13
Instructions: Answer all questions to get your test result.
1) A surface current is set in motion by differences in salinity and temperature
A
False
B
True
2) A surface current moves cold water away from Earth's poles.
A
True
B
False
3) Deep ocean currents slowly move water along the bottom of Earth's oceans.
A
False
B
True
4) An upwelling moves nutrients from the surface to deeper waters.
A
True
B
False
5) The Gulf Stream moves warm water away from the poles to give Great Britain a mild climate
A
False
B
True
6) Ocean water contains
A
dissolved gases only
B
both dissolved solids and dissolved gases
C
dissolved solids only
D
neither dissolved solids nor dissolved gases
7) Which of the following would lower the salinity of a shallow part of an ocean?
A
large amounts of evaporation
B
damming the mouth of a nearby river
C
ice forming on the surface of the ocean
D
large amounts of rainfall
8) In general, how does ocean temperature change with depth?
A
Deep water is cooler than water at the surface.
B
Deep water is more dense than water at the surface.
C
Deep water is less dense than water at the surface.
D
Deep water is warmer than water at the surface.
9) Which of these best describes the ocean floor?
A
smooth and flat
B
gently sloping
C
many features
D
warm and dense
10) Which of these would be most useful to explore a deep and difficult-to-reach section of the mid-ocean ridge?
A
scuba divers
B
researchers on submarines
C
robots with cameras
D
weighted lines
11) Most ocean waves are the result of
A
differences in salinity and temperature
B
the transfer of energy from the wind to the water below
C
differences in water temperature and density
D
the transfer of energy from the water to the air above
12) Waves breaking along a shore are caused by an increase in their
A
speed
B
energy
C
wavelength
D
wave height
13) What causes tides?
A
the gravitational pull of the Moon on Earth and Earth's waters
B
the gravitational pull of Earth and Earth's waters on the Sun
C
differences in ocean water salinity and temperature
D
differences in ocean water temperature and density
14) The tidal bulge is smaller than normal during a
A
new moon
B
neap tide
C
full moon
D
spring tide
15) The difference in height between a high tide and the next low tide is called the
A
spring tide
B
tidal range
C
tidal slope
D
neap tide
16) The Moon has a greater effect on Earth's tides than the Sun because the Moon is
A
farther from Earth than the Sun
B
closer to Earth than the Sun
C
smaller than the Sun
D
larger than Earth
17) Water waves are often a transfer of
A
energy from the shore
B
energy from moving air
C
water molecules from moving air
D
water molecules from the shore
18) A surface current near Earth's equator is set in motion by
A
global winds
B
differences in salinity
C
the Moon's gravity
D
spring tides
19) Which of the following affects climate the most?
A
salinity
B
waves
C
tides
D
currents
20) Which of the following best describes El NiƱo?
A
a global change in Earth's weather conditions
B
stronger than normal winds in the Pacific
C
constant changes in the neap tides of the Pacific
D
stronger than normal winds all over Earth's surface
*select an answer for all questions
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