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Plate Tectonics - Continental Drift Flashcards | StudBud
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Plate Tectonics - Continental Drift
Plate Tectonics - Continental Drift
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StudBud Administration
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A science quiz
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Tectonic plates move
very
slowly. In what units is the movement of tectonic plates measured?
centimeters/year
meters/week
meters/day
kilometers/month
2
What force(s) drive plate movements?
convection currents
ridge push
all of the above
slab pull
3
Harry Hess explained how oceanic crust is produced and destroyed in his theory of
plate tectonics
seafloor spreading
paleomagnetism
continental drift
4
Alfred Wegener proposed which of the following theories?
Plate Tectonics
Continental Drift
Convection Currents
5
What did Scientists discover about the rocks as they got farther away from the mid-ocean ridge?
rocks were older farther away from the mid-ocean ridge.
rocks were younger farther away from the mid-ocean ridge.
rocks had more basalt farther away from the mid-ocean ridge.
6
What is Pangaea?
The largest continent on Earth
A supercontinent that existed before the plates split apart.
A supercontinent that is currently being formed.
7
As new land is formed at mid-ocean ridges, the Earth continues to increase in size
False
True
8
The hypothesis that the continents broke apart, and then drifted to their current locations?
continental drift
continental slope
continental rise
continental shelf
9
Tectonic plates are made of the lithosphere (the crust, the rigid, upper part of the mantle).
True
False
10
Which observations supported Wegener's theory that the continents move over time?
mountain ranges found on on opposite sides of the ocean
matching fossils on continents separated by an ocean
all of the above
puzzle-like fit of continents
