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Plate tectonics and boundaries Flashcards | StudBud
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Plate tectonics and boundaries
Plate tectonics and boundaries
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plate tectonics vocabulary
Flashcards
19 cards
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Answers
1
The theory that earth's surface is made of plates that move
plate tectonics
divergent plate boundary
continental drift
magnetic reversal
2
The rigid plates composed of the crust and part of the upper mantle are called the ...
Pangea
Tectonic
Lithosphere
Athenosphere
3
The process where plates collide and one plate sinks under the other because it is more dense.
convergent
collision
subduction
divergent
4
What two things determine what happens or is formed at plate boundaries?
type of plate boundary and type of crust
how fast the plate is moving and type of crust
divergent or convergent boundaries
how fast the plate is moving and type of plate boundary
5
Active volcanoes are most likely to form at ____.
transform boundaries
convergent oceanic–continental boundaries
the center of continents
divergent boundaries
6
The ancient super continent composed of land that forms todays continents
fossil
north america
continental drift
pangaea
7
Happens when two plate seperate
transform plate boundary
plate boundary
divergent plate boundary
convergent plate boundary
8
The mountain ranges formed by divergent plates spreading
central sea floor
plate tectonics
mid ocean ridge
normal polarity
9
Which is NOT evidence that the plates are moving?
continents fitting together like puzzle pieces
volcanoes
earthquakes
The plates are either convergent or divergent.
10
The orginial hypothesis that continents are in constant motion
sea floor spreading
Pangaea
wagner
continental drift
11
Why was Alfred Wegner's theory of Continental Drift not accepted?
Wegner had no evidence to back his theory.
The theory didn’t explain how the continents moved.
The continents were once a super continent called Pangaea.
The continents have always been where they are now.
12
Which of the following happens at every type of plate boundary?
volcanoes
earthquakes
seafloor spreading
mountains
13
Happens when two plate collide
divergent plate boundary
convergent plate boundary
transform plate boundary
plate tectonics
14
Tropical fossils found in areas that are now covered in ice show scientists that
climate has not changed at all
At one time these organisms had the ability to live in ice.
climate has changed and the area was once tropical
This evidence does not tell us anything about the climate.
15
New oceanic crust forms at a mid ocean ridge as old oceanic crust moves away
mid ocean ridge
continental drift
sea floor spreading
normal polarity
16
The ____ is (are) anexample of a transform boundary
Himalayas
Appalachian Mountains
San Andreas Fault
Mid-Atlantic Ridge
17
Happens when two plates slide past one another
transform plate boundary
divergent plate boundary
plate tectonics
convergent plate boundary
18
The cycle of heating, rising, cooling, and sinking in the Mantle is a
Continental Drift
Plate Tectonics
Rift Valley
Convection Current
19
What are formed when two continental plates collide.
Mountain ranges
Rift valleys
Strike-slip faults
Volcanoes
