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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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A 9th grade Earth Science class review for #PlateTectonics
Flashcards
18 cards
F
Practice quiz
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Host live
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Questions
18
Answers
1
Large and deep earthquakes are formed at
Transform boundary
Divergent boundary
Collision Zone
Subduction Zone
2
How many different plate boundaries are there?
2
8
4
6
3
Why does subduction occur?
The ocean plate is less dense
The ocean plate is more dense
The continent plate is more dense
Density does not matter
4
Japan is a result of:
C-C Convergent
O-O Convergent
Transform
Hot Spot
5
From the diagram, what kind of volcanoes would you expect to see at position 4?
No volcanoes
Explosive
Non-explosive
Weird Magmas
6
The Himalayan Mountains are
C-C Convergence
Transform
O-O Subduction
None of them
7
What is happening at a subduction zone?
Crust is melted
Crust is created
8
MORs give what kind of EQ's?
Deep
Shallow
9
From the diagram, where would you have shallow EQ's?
1
4
3
2
10
The islands of Hawaii are a result of
Seafloor Spreading
Subduction
Hot Spots
Divergent
11
Deep trenches are found at
Divergent MOR
O-O Convergent
C-C Convergent
O-C Convergent
12
What is the name of the plate that is subducting under the NW coast?
N. American Plate
Juan de Fuca Plate
Pacific Plate
Murray zone Plate
13
How is a rift valley different than a MOR?
There is no difference
Rift valley is on land, MOR is in ocean
Ocean crust is destroyed at a rift zone
Rift valley is in the ocean, MOR on land
14
What is happening in Baja Mexico?
Subduction
Baja is moving South
Transform
Seafloor Spreading
15
What type of volcano would you expect at a C-C Convergent Boundary?
Explosive land volcanoes
Non-explosive volcanoes
There are no volcanoes at collision zone
Explosive island volcanoes
16
What is the direction of the N. American plate?
Northeast
Northwest
Southwest
Southeast
17
The following picture represents:
Divergent & Convergent boundaries
Convergent boundary
Divergent boundary
Transform boundary
18
Oldest seafloor rocks are found at
Transform boundaries
Subduction zones
Mid-Ocean Ridges
Divergent boundaries
