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Continental Drift & Plate Tectonics Flashcards | StudBud
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Continental Drift & Plate Tectonics
Continental Drift & Plate Tectonics
25 terms
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#platetectonics #earthslayers
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
What kind of boundary happens when two plates move away from each other?
divergent
convergent
transform
2
What evidence for continental drift does this show?
matching mountains
matching fossils
matching rocks
matching coal beds
3
What kind of boundary is this?
convergent
transform
divergent
4
Why was continental drift
NOT
accepted by scientists during Wegener's time?
The continents don't fit together.
There was no evidence to explain how the continents moved.
It was logical.
5
When one plate sinks under another plate, this is called __________.
transform
sea-floor spreading
subduction/convergent
divergent
6
What kind of boundary separates the American plate from the Eurasian plate?
convergent
transform
divergent
7
What process is going on in the mantle that makes the plates move?
magnetic reversal
hot spots
convection
ocean currents
8
What kind of boundary is this?
divergent
transform
convergent
9
What evidence for continental drift does this picture show?
matching coal beds
matching fossils
matching rocks
glacier evidence in current warm areas
10
What evidence of sea-floor spreading does this picture show?
matching fossils
magnetic reversal patterns
continents fit
pangaea
11
What kind of boundary forms a mid-ocean ridge?
convergent
divergent
transform
12
What kind of boundary forms where two plates are sliding past each other?
divergent
transform
convergent
13
What kind of boundary forms pillow lava?
transform
convergent
divergent
14
What is layer D?
outer core
mantle
crust
inner core
15
What evidence for continental drift does this picture show?
matching fossils
matching coal beds
matching rocks
glacier evidence in current warm area
16
What is layer C?
inner core
mantle
outer core
crust
17
What is layer A?
inner core
outer core
crust
mantle
18
The best way to detect transform faults is by the ______they cause.
earthquakes
mountains
volcanic eruptions
19
Mantle convection: The core heats the mantle. It rises, cools, then falls. This __ the plates.
moves
drags
freezes
20
Mountain ranges form at __________ boundaries.
convergent
transform
divergent
21
What evidence for continental drift does this picture show?
matching rocks
matching mountains
continent shape
matching fossils
22
What kind of boundary is this?
transform
convergent
divergent
23
What kind of boundary is the San Andreas fault?
transform
convergent
divergent
24
What is layer B?
mantle
crust
outer core
inner core
25
What is this diagram showing?
pangaea
sea floor spreading
transform boundary
matching fossils
