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Continental Drift & Plate Tectonics Flashcards | StudBud
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Continental Drift & Plate Tectonics
Continental Drift & Plate Tectonics
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1
The ring of fire is a ring of volcanoes and earthquakes that occur along
Only transform boundaries
Plate boundaries
The mid-ocean ridge
Hot spots
2
Who came up with the idea of continental drift?
Albert Einstein
Alfred Hitchcock
Alfred Wegener
Alfred Winchester
3
Subduction is when
New islands are formed
New crust is formed
Earthquakes occur along a transform boundary
One plate slides under another
4
What causes the tectonic plates to move?
Convection in the mantle
The Coriolis effect
Ocean currents
Volcanoes
5
The picture displays a what kind of plate boundary
None of the above
Transform
Divergent
Convergent
6
The hypothesis that continents have slowly moved to their current location is called
Continental slope
Seafloor spreading
Convection current
Continental drift
7
The place where two plates collide is called a
Divergent boundary
Transform boundary
Hot spot
Convergent boundary
8
Volcanoes are most likely to occur along a
Sea-floor spreading
Transform boundary
Convergent boundary
Divergent boundary
9
Which of the following best describes this diagram?
Continental-Continental Convergence
Oceanic-Continental Convergence
Transform Fault
Oceanic-Oceanic Convergence
10
The mid-ocean ridge occurs along a
Divergent boundary where sea-floor spreading takes place
Convergent boundary where new crust is formed
Divergent boundary where subduction takes place
Transform boundary where crust is subducted
11
Oceanic crust is ____________________ than continental crust
Younger
More dense
Less dense
Older
12
The fact that ice floats on top of water is like the fact that
The mantle causes earthquakes and volcanoes
The crust is melting
The less dense crust sits on top of the mantle
The mantle is colder than the crust
13
The Himalayan mountains were formed because of a
Divergent boundary
Convergent boundary
Hot spot
Transform boundary
14
The San Andreas Fault is considered to be what type of plate boundary
Transform
Convergent
Divergent
15
Based on the following diagram, which of the following is true?
Pangaea broke up approximately 180 million years ago.
Rocks near the ridge are 80 million years old.
Continents have taken less than 100 million years to drift
Rocks near the coastlines are less than 10 million years old
16
What crust does a dark colored, super dense rock (called basalt) make up
Oceanic
Continental
17
What plate boundary is displayed in the image?
Convergent
Divergent
Transform
Hot Spot
18
This image portrays what type of plate boundary
Transform
Convergent
Divergent
19
Mountain folds are typically caused by what plate boundary
Transform
Divergent
Convergent
20
Based on this diagram, which of the following conclusions can you make?
Rocks near the Mid Atlantic Ridge are old.
Rocks near the coastlines are young.
Continents drifted away from the Mid Atlantic Ridge.
Mid Ocean Ridge separated @ uniform rates through history
21
This image portrays what type of boundary?
Transform
Convergent
Divergent
22
Paleoclimate data includes information about all BUT
Cold Weathering
Glacial Striation
Coal Formation
23
This image portrays what type of boundary?
Convergent
Divergent
Transform
24
The entire cycle of heating occurring in the mantle is called
Radiation
Convection currents
Conduction Currents
25
A map of global earthquakes and volcanoes tells you
Where the plate boundaries are
Where the edges of the continents are
Nothing, it looks random
Where the earth is the hottest
26
When two continental plates pull apart a ________________________ forms
Mountain range
Subduction zone
Rift valley
Earthquake
27
Continental crust is
Less dense than oceanic crust.
More dense than oceanic crust.
Has the same density as oceanic crust.
28
Which crust is made of a light colored rock that is made of cooled magma called granite
Oceanic Crust
Continental Crust
29
Choose the answer below that BEST describes this image
Mesosaurus became extinct before the continent broke up.
Mesosaurus lived in S. America, India, Africa and Antarctica
Glossopteris appeared in the fossil records of the continent
Both Glossopteris and Mesosaurus are trace fossils.
30
What theory states that the Earth's crust is in slow motion driven by movement in the mantle
Theory of Pangaea
Theory of Sea Floor Spreading
Wegener's Law
The theory of plate tectonics
31
Alfred Wegner's theory of the continental drift was not accepted because
It couldn't explain how or why the continents were drifting.
He could not provide evidence for the continental drift.
32
When looking at mid ocean ridges, the oldest rocks are
Found far from the mid ocean ridges.
Found within a few meters of the mid-ocean ridge.
Found close to the mid-ocean ridge
33
The process that continually adds new crust is:
Sea-floor spreading
Earthquakes
Convection
Subduction
34
True or False: A Divergent Boundary is causing the Rift Valley to form.
False
True
35
Hot spots are
Stationary, they stay in the same place
Constantly disappearing and reappearing
Always moving around
What creates earthquakes
36
Rock clues were used to support the theory of continental drift because
None of the above.
Fossils were found in the rocks.
Similar rock structures were found on different continents.
Appalachian Mts. look different than mountains on Greenland.
37
Alfred Wegener knew all BUT which piece of evidence to prove his idea of continental drift
Paleoclimate Data
Convection Currents in the mantle
Mountain Formation
Fossil Record
38
____________ can form above subduction zones.
Trenches
Oceans
Earthquakes
Volcanoes
39
Choose the BEST answer(s) that provide evidence for Alfred Wegner's CONTINENTAL DRIFT THEORY.
Glossopteris fossils were found in all areas of the Pangaea.
Messo. fossils found in S. America & Africa in the same area
The Tethys Sea was shallow and warm.
The continents fit together like a puzzle
40
Which name is
NOT
considered to be another name for the Supercontinent
Paleoclimate
All Earth
Pangaea
41
Pieces of Earth's crust move on top of the
Ocean
Mantle
Inner core
Outer core
42
The image displays what process is happening
Tsunami
Earthquake
Convection Currents
Seafloor Spreading
43
Where two plates rub past each other in opposite directions is a
Convergent boundary
Transform boundary
Divergent boundary
Hot spot
