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Plate Boundaries Flashcards | StudBud
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Plate Boundaries
Plate Boundaries
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Tectonic Plate Boundaries
Flashcards
42 cards
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Practice quiz
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Questions
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Answers
1
Tectonic plates make up Earth's
lithosphere
inner core
asthenosphere
outer core
2
The crust under the continent is thinner than the crust under the ocean
True
False
3
Which of the following best describes a tectonic plate?
large slab of asthenosphere that moves over Earth's surface
slab of crust & upper mantle that moves over Earth's surface
a part of the asthenosphere in which convection takes place
4
Island arcs, like the islands of Japan, form when two
oceanic plates scrape past each other
oceanic plates converge
continental plates scrape past each othe
continental plates converge
5
Subduction occurs
when an oceanic plate and another plate converge
when two oceanic plates pull apart
along a transform boundary in the ocean
when two continental plates converge
6
What type of boundary would you find at Tinseltown Trench?
Transform
Convergent
Divergent
7
Oceanic plates are more dense then continental plates
True
false
8
Which of these are NOT a tectonic boundary
Divergent
Subduction
Convergent
Convection
9
A divergent boundary is when plates move____.
past one another
away from each other
together
10
Earthquakes and volcanoes are concentrated near plate boundaries
False
True
11
New crust forms along a(n)
divergent boundary
convergent boundary
subduction zone
ocean trench
12
The area where two tectonics plates meet
mantle
plate boundary
convection
focus
13
Plates move horizontally past each other along a -?-
convergent boundary
divergent boundary
transform boundary
mid-ocean ridge
14
what type of boundary would you find at Toothfairy Trench?
Convergent
Divergent
Transform
15
When one plate sides under neath another, it _________ and the magma _________.
melts, rises
hardens, rises
hardens, sinks
melts, sinks
16
Earth's magnetic reversals are recorded in
deep-ocean trenches
the mantle
sea-floor rock
the asthenosphere
17
The __ is the largest layer inside the earth
outercore
mantle
crust
inner core
18
A chain of volcanoes formed underneath the Atlantic Ocean is created by what kind of boundary
convergent
divergent
transform
19
A ------ occurs wherever two plates move toward each other
convergent boundary
mid-ocean ridge
convection currents
divergent boundary
20
What type land feature would you find here?
Volcanoes
Deep ocean trench
Rift Valley
Mountains
21
What type of boundary would you find between the North American Plate & the Eurasian?
Convergent
Transform
Divergent
22
Transform boundaries are most likely to produce what phenomenon?
earthquakes
deep sea trenches
underwater mountain ranges
volcanoes
23
Which scientist is credited with the continental drift hypothesis?
Alfred Wegener
W. Jason Morgan
Harry Hess
J. Tuzo Wilson
24
The image below represent what type of plate boundary?
convergent
divergent
transform
25
Pangaea was a supercontinent that existed about 200 million years ago.
False
True
26
When ocean plates collide with continental plates, the dense ocean plate
sinks
rises
27
The great rift valley in African was created by this boundary
transform
convergent
divergent
28
What type of boundary would you find at the image below?
transform
divergent
convergent
29
At transform boundaries, two plates
scrape past each other
do not move in any direction
push against each other
pull away from each othe
30
Mid-ocean ridges are sites where old crust sinks into the asthenosphere.
true
false
31
The solid center of Earth is the__.
outer core
lithosphere
mantle
Inner core
32
What type of land feature will form at A if there are two pieces of oceanic crust?
mountain
trench
rift valley
Mid ocean ridge
33
How did the discovery of magnetic reversals helped to develop the theory of plate tectonics?
Provided evidence that plates move away from midocean ridges
It proved that Earth's magnetic poles change places.
It allowed hot spots to be used to track plate movements.
It showed that Earth's magnetic field changes over time.
34
The Himalayas were formed on what kind of plate boundary?
transform boundary
convergent boundary
divergent boundary
35
What type of boundary would you find at My Fault?
transform
divergent
convergent
36
What type of plate boundary is most likely to occur at point A in the diagram?
divergent
reverse
transform
convergent
37
What is the approximate rate of plate movement?
a few meters each year
a few kilometers each year
a few millimeters each year
a few centimeters each year
38
What happens during a continental-continental collision?
Subduction Zone
Trenches
Mid Ocean Ridge
Mountains
39
What is the name of the giant supercontinent in the illustration?
Pangaea
Gondwanaland
Laurasia
40
Which of the following can be explained at Point B in the diagram?
Plates move past each other sideways.
Plates move toward each other and volcanoes form.
Plates are not moving.
Plates move apart and volcanoes form.
41
Select the types of land features will you find at 1?
Island arcs
mid ocean ridge
Volcanic mountains
Trench
42
What is being represented in the images?
Deep Sea Trenches
Rift Valley
Mountains
Mid Ocean Ridge
