The downward part of a convection current causes a sinking force that...

causes plates to subduct into the mantle

Coal beds in Antartica indicated to Wegener that this continent was...

once located closer to the equator

The magnetic pattern of ocean floor rocks on one side of an ocean ridge is...

a mirror image of that of the other side

At an oceanic-oceanic convergent boundary...

old crust is recycled by subduction

Why is a transform boundary classified as “conservative”?

There is little destruction of material along this boundary

Based on the glacial deposits he observed, Wegener argued that

landmasses drifted away from the South Pole

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Q3 EARTH SCIENCE REVIEW

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Questions 20

Answers

1
The downward part of a convection current causes a sinking force that...
creates a divergent boundary
moves plates apart from one another
causes plates to subduct into the mantle
lifts and splits the lithosphere
2
Coal beds in Antartica indicated to Wegener that this continent was...
always cold
once located closer to the equator
inhabited by penguins
once beneath the ocean
3
Crust is neither destroyed nor formed along which of the following boundaries?
convergent
magnetically reversed
divergent
transform
4
The magnetic pattern of ocean floor rocks on one side of an ocean ridge is...
a mirror image of that of the other side
younger than on the other side
at right angles to the ocean ridge
much different from magnetic patters found in rocks on land
5
Tectonic plates interact at places called plate
reversals
regions
boundaries
subductions
6
Compared to the continental crust, the oceanic crust is
melting
lithospheric
thicker
thinner
7
Pangaea was an ancient supercontinent made up of
South Africa, India, Australia, and South America
all of Earth’s continents
Antarctica, India, and South America.
the United States, Greenland, and Europe
8
Compared to ocean crust near ocean ridges, crust near deep-sea trenches is...
younger
older
the same age
magnetically reversed
9
Features found at divergent boundaries include
ocean ridges
island arc volcanoes
deep sea trenches
crumpled mountains
10
At an oceanic-oceanic convergent boundary...
old crust is deformed or fractured
old crust is recycled by subduction
plates slide past one another
new crust is created
11
The youngest part of the ocean floor is found...
near ocean ridges
where earth's magnetic field changes polarity
along deep sea trenches
where ocean sediments are thickest
12
Which of the following landforms results from divergence of continental crust?
A mountain range
a Rift Valley
a deep sea trench
a long fault
13
The amount of energy released by an earthquake is measured by its
epicenter
magnitude
P-waves
amplitude
14
The driving forces of tectonic plates are related to convection currents in Earth's...
mantle
outer core
inner core
crust
15
Why is a transform boundary classified as “conservative”?
The distance of movement for this type of boundary is small
The energy released with this plate boundary type is small
The frequency of earthquakes along this boundary is small
There is little destruction of material along this boundary
16
Which of the following features forms when two oceanic plates converge?
divergent boundaries
rift valleys
subduction zones
magnetic reversal patterns
17
Subduction results in the formation of
new continental crust
a deep sea trench
a Rift Valley
a magnetic reversal
18
The locations of plate boundaries are determined by plotting...
earthquakes
continents
oceans
fossils
19
Which feature is associated with a continental-continental convergent plate boundary?
a deep sea trench
a mountain range
a volcano
a subduction zone
20
Based on the glacial deposits he observed, Wegener argued that
glaciers form near the equator
landmasses drifted away from the South Pole
Glossopteris could not survive hot weather
Earth's axis of rotation had changed in the past

Q3 EARTH SCIENCE REVIEW Flashcards | StudBud