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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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Flashcards
25 cards
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Questions
25
Answers
1
What layer do the plates float on?
Core
Mantle
Asthenosphere
Lithosphere
2
Supercontinent is when large landmasses are together.
False
True
3
What is the movement of the Transform Boundary?
When two plates move away from each other.
When two plates slide against each other.
When two plates collide.
4
A Transform Boundary causes...
Mountains
Earthquakes
Valleys
5
What scientific tool is used to map the ocean floor?
Sonar
Radar
6
What makes up Plates?
Plates
Broken sub-merged land
Hardened Magma
The Earth's broken Lithosphere
7
A Convergent Boundary causes..
Valleys
Earthquakes
Collisions
Mountains
8
Who came up with the theory that all continents have once been together?
Harry Hes
Alfred Weggener
Harry Hess
Alfred Wegener
9
What is sea-floor spreading?
Molten material pushed out of the mantle, making more ground
The process of the floor making mid-ocean ridges.
The movement of the sea's floor.
10
How many types of plate boundaries are there?
2
3
1
4
11
What evidence supported Wegener's hypothesis?
Mountain ranges and landforms and fossils
Climate
There was no evidence
Size of the continents
12
The San Andreas Fault is an example of a Transform Fault.
False
True
13
How many plates are there on Earth?
12
3
14
7
14
What is the movement of a Divergent Boundary?
When two plates collide
When two plates move apart.
When two plates slip past each other.
15
Breaks in the Earth's crust where rocks have slipped past each other are called __________
Plates
Faults
Plate Tectonics
Rift Valleys
16
Why did they reject Alfred's theory?
It challenged other Scientific Theories
They took him as a joke
His evidence had nothing to do with his hypothesis
He did not have enough evidence to support his hypothesis
17
What is the movement of a Convergent Boundary?
When two plates collide.
When two plates slide against each other.
When two plates move away from each other.
18
What theory did Harry Hess come up with?
The Big Bang Theory
Sea Floor Spreading
Continental Drift
19
At a mid-ocean ridge, molten material rises from the mantle and Erupts.
True
False
20
How many supercontinents have there been in total?
8
6
4
2
21
How long ago did the supercontinent "Pangea" break apart?
10 million years ago
200 million years ago
20,000 years ago
10,000 years ago
22
A Divergent Boundary causes...
Mountains
Earthquakes
Valleys
Trenches
23
The Rocky Mountains is an example of a Convergent Boundary.
Fault
True
24
What are the three types of plate boundaries?
Transform, Divergent, Convergent
Transformation, Divergent, Convergent
Transform, Divergent, Converging
Transform, Divination, Convergent
25
The Mariana Trench is an example of a Divergent Boundary.
False
True
