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