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Middle School 278 Plate Tectonics Review # 1 Flashcards | StudBud
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Middle School 278 Plate Tectonics Review # 1
Middle School 278 Plate Tectonics Review # 1
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8th grade Plate Tectonic Unit review #middleschool #platetectonics #earthscience
Flashcards
27 cards
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Questions
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Answers
1
What type of crust is found under the continents?
Lithospheric crust
Oceanic crust
Asthenosheric crust
Continental crust
2
What is happening at the subduction zone at the Juan de Fuca and North American Plates?
The Plates are spreading apart
The Plates are sliding past each other
One Plate is being pulled under the other
The Plates are stuck and not moving at all
3
What occurs where two continental plates collide?
Zombie Acopalypse
Folded mountains form
Earthquakes occur
There is a subduction zone
4
What leads to the creation of island arcs?
Collision of two continental plates
Collision of a continental and an oceanic plate
A Zombie Apocalypse
Collision of two oceanic plates
5
What type of crust is found under the oceans?
Continental Crust
The Wet-Mud Crust
Geologic Crust
Oceanic Crust
6
The chemical symbol for Iron is
IR
I
FE
Fe
7
Which of Earth's layers is broken into several large tectonic plates?
Upper Mantle
Lithosphere
Asthenosphere
Crust
8
Mountain ranges can form when which of the following dynamic processes occurs.
Two oceanic plates collide
Two oceanic plates move apart
Two continental plates collide
None of these answers is correct
9
Whch of these statements is correct?
Continental crust is thicker than oceanic crust
Oceanic crust is thicker than continental crust
Continental & oceanic crust have the same thickness
Continental crust is thinner than oceanic crust
10
Alfred Weneger proposed the theory of
continental drift
Plate tectonics
Seafloor spreading
11
The formula for density is
volume / mass
Mass / volume
mass x volume
mass + volume
12
Which of the following is a likely topography of Earth like at a Convergent Boundary?
Trench
An oppening to a time warp
Ridge
Rift Valley
13
What is another name for a Strike-Slip plate boundary?
Dangerous Boundary
Divergent Boundary
Transform Boundary
Convergent Boundary
14
About 225 million years ago, Earth's continents were grouped into one landmass called
Europa
Pangaea Ultima
Jurassic Park
Pangaea
15
At Mid-Ocean Ridges tectonic plates are doing what?
Spreading apart
Sliding past each other
Colliding
Subducting
16
This solid layer of Earth is made mostly of iron and nickel.
Mantle
Inner Core
Outer Core
Crust
17
What is Earth's outermost layer called?
Mantle
Crust
Outer Core
Lithosphere
18
Which of these Earth layers is found directly above Earth's core?
Asthenosphere
Mantle
Inner Core
Outer Core
19
The thin layer of water that covers the Earth
atmosphere
lithosphere
hydrosphere
biosphere
20
The tectonic plates float on which semi-liquic layer of Earth?
Asthenosphere
Crust
Lithosphere
Oceans
21
When did the supercontinent Pangaea start to break up?
20 million years ago
200 million years ago
100 million years ago
40 million years ago
22
Which of the following events can occur at a Transform Boundary?
Rift formation
Earthquake
Mountain formation
Volcanic eruption
23
The section where living things are found on Earth
Hydropshere
atmosphere
Biosphere
Lithosphere
24
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
Continents are fixed and don't move
A great flood shaped Earth's surface
25
The primary cause of convections currents in Earth's mantle is thought to be
the rotation of Earth on its axis
the difference in densitis of Earth's materials
the sinking of Earth's crust
the occurrance of earthquakes
26
The idea of sea-floor spreading was first proposed by
Harry Hess
Alfred Wegener
Isaac Newton
Jules Verne
27
What is the boundary between two tectonic plates called?
Plate edge
Broken Plate
Plate boundary
Plate border
