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