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Beier's 8 Plate Tectonics Review #2 Flashcards | StudBud
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Beier's 8 Plate Tectonics Review #2
Beier's 8 Plate Tectonics Review #2
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8th grade Plate Tectonic Unit review #middleschool #platetectonics #earthscience
Flashcards
25 cards
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Questions
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Answers
1
When did the supercontinent Pangaea start to break up?
20 million years ago
100 million years ago
40 million years ago
200 million years ago
2
What is happening at the subduction zone at the Juan de Fuca and North American Plates?
The Plates are stuck and not moving at all
The Plates are sliding past each other
One Plate is being pulled under the other
The Plates are spreading apart
3
Mountain ranges can form when which of the following dynamic processes occurs.
None of these answers is correct
Two continental plates collide
Two oceanic plates collide
Two oceanic plates move apart
4
What is another name for a Strike-Slip plate boundary?
Transform Boundary
Divergent Boundary
Convergent Boundary
Dangerous Boundary
5
The primary cause of convections currents in Earth's mantle is thought to be
the occurrance of earthquakes
the difference in densities of Earth's materials
the rotation of Earth on its axis
the sinking of Earth's crust
6
What type of crust is found under the oceans?
The Wet-Mud Crust
Oceanic Crust
Continental Crust
Geologic Crust
7
Which of these Earth layers is found directly above Earth's core?
Inner Core
Mantle
Asthenosphere
Outer Core
8
This solid layer of Earth is made mostly of iron and nickel.
Crust
Inner Core
Outer Core
Mantle
9
The tectonic plates float on which semi-liquid layer of Earth?
Crust
Asthenosphere
Lithosphere
Oceans
10
Which of the following is a likely topography of Earth like at a Convergent Boundary?
Ridge
Rift Valley
An oppening to a time warp
Trench
11
What is NOT likely to happen at a divergent boundary?
Volcano formation
Seafloor spreading
Rift valley
Mountain formation
12
What is Earth's outermost layer called?
Outer Core
Mantle
Crust
Lithosphere
13
Which of the following events can occur at a Transform Boundary?
Volcanic eruption
Rift formation
Earthquake
Mountain formation
14
What leads to the creation of island arcs?
Collision of two continental plates
Collision of two oceanic plates
A Zombie Apocalypse
Collision of a continental and an oceanic plate
15
Which of these concepts if part of the theory of Plate Tectonics?
Continents are fixed and don't move
Continents have always been the same shape & size
A great flood shaped Earth's surface
Continents are in constant slow motion
16
Whch of these statements is correct?
Continental & oceanic crust have the same thickness
Continental crust is thicker than oceanic crust
Continental crust is thinner than oceanic crust
Oceanic crust is thicker than continental crust
17
What type of crust is found under the continents?
Oceanic crust
Continental crust
Asthenosheric crust
Lithospheric crust
18
California's San Andreas Fault is identified as which of the following?
Normal Fault
Strike-slip Fault
Dip-slip Fault
Blind-thrust Fault
19
About 225 million years ago, Earth's continents were grouped into one landmass called
Jurassic Park
Pangaea Ultima
Europa
Pangaea
20
Which of Earth's layers is broken into several large tectonic plates?
Lithosphere
Upper Mantle
Asthenosphere
Crust
21
What occurs where two continental plates collide?
Zombie Acopalypse
There is a subduction zone
Earthquakes occur
Folded mountains form
22
At Mid-Ocean Ridges tectonic plates are doing what?
Spreading apart
Subducting
Sliding past each other
Colliding
23
Which is Earth's only liquid layer?
Mantle
Inner Core
Asthenosphere
Outer Core
24
The idea of sea-floor spreading was first proposed by
Isaac Newton
Alfred Wegener
Harry Hess
Jules Verne
25
What is the boundary between two tectonic plates called?
Broken Plate
Plate border
Plate edge
Plate boundary
