WorksheetsOcean Floor, Currents and Tides REGENTS
Total questions: 14
Worksheet time: 12mins
Name
Class
Date
1.
On the map below, points A through D represent locations on Earth's surface.
Which location is positioned over a mantle hot spot?
Which location is positioned over a mantle hot spot?
a)
A
b)
B
c)
C
d)
D
2.
The formation of the Canary Islands was primarily caused by their location near a
a)
subduction zone
b)
mantle hot spot
c)
divergent boundary
d)
transform fault
3.
Base your answer on the block diagram below, which shows a tectonic plate boundary.
Compared to the oceanic crust, the continental crust is
Compared to the oceanic crust, the continental crust is
a)
more dense and more mafic
b)
more dense and more felsic
c)
less dense and more mafic
d)
less dense and more felsic
4.
The Mariana Trench was most likely created by the
a)
convergence of the philippine plates and pacific plates
b)
divergence of the Eurasian and Philippine plates
c)
sliding of the Pacific Plate past the North American Plate
d)
movement of the Pacific plate over the Hawaii Hot spot
5.
The map below shows a part of Earth’s surface. Points A through D are locations on the ocean floor.
At which location is the temperature of the ocean floor bedrock most likely highest?
At which location is the temperature of the ocean floor bedrock most likely highest?
a)
A
b)
B
c)
C
d)
D
6.
Which type of tectonic plate boundary is located at mid-ocean ridges?
a)
CONVERGENT
b)
TRANSFORM
c)
DIVERGENT
d)
COMPLEX
7.
The diagram below shows the magnetic polarity preserved by minerals within the bedrock of the oceanic crust near the Mid-Atlantic Ridge. Letters A, B, C, and D represent locations in the ocean-floor bedrock.
The most recently formed bedrock is found at location
The most recently formed bedrock is found at location
a)
A
b)
B
c)
C
d)
D
8.
Which ocean current provides warm water that moderates the climate of South America?
a)
Benguela Current
b)
Brazil Current
c)
Falkland Current
d)
Peru Current
9.
Which two ocean currents are both warm currents that primarily flow away from the equator?
a)
Guinea and Labrador Current
b)
Brazil and Agulhas Currents
c)
Alaska and Falkland Current
d)
Canaries and Gulf Stream Current
10.
The California Ocean Current, which flows along the west coast of North America, is a
a)
Cool current, flowing nouth
b)
cool current, flowing south
c)
warm current, flowing north
d)
warm current, flowing south
11.
What causes the Coriolis effect?
a)
high and low-pressure belts
b)
Earth's revolution
c)
equatorial calms
d)
Earth's Rotation
12.
Base your answer on the graph below. The graph shows the recorded change in water level (ocean tides) at a coastal city in the northeastern United States during 1 day.
According to the pattern shown on the graph, the next high tide will occur on the following day at approximately
According to the pattern shown on the graph, the next high tide will occur on the following day at approximately
a)
12:30am
b)
2:00am
c)
3:15am
d)
4:00am
13.
Ocean tides are best described as
a)
unpredictable and cyclic
b)
unpredictable and noncyclic
c)
predictable and cyclic
d)
predictable and noncyclic
14.
The diagram below shows the Moon orbiting Earth, as viewed from space above Earth's North Pole. The Moon is shown at eight positions in its orbit.
spring ocean tides occur when the difference in height between high tide and low tide is greatest. At which two positions of the Moon will spring tides occur on Earth?
spring ocean tides occur when the difference in height between high tide and low tide is greatest. At which two positions of the Moon will spring tides occur on Earth?
a)
1 and 5
b)
2 and 6
c)
3 and 7
d)
4 and 8
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