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Woodland Studies Continental Drift/ Sea Floor Spreading Flashcards | StudBud
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Woodland Studies Continental Drift/ Sea Floor Spreading
Woodland Studies Continental Drift/ Sea Floor Spreading
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Used for review in 8th grade before a test on Sea Floor Spreading.
Flashcards
35 cards
F
Practice quiz
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Host live
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Questions
35
Answers
1
Which one of the following is
not
an evidence for sea floor spreading?
Age of the Rocks
Type of Rock
Magnetic Pattern
2
Which letter in the image here shows the Continental Crust
B
A
C
D
3
Which letter in the image here shows the Oceanic Crust
D
A
C
B
4
Sea-floor spreading occurs at a rate of...
several centimeters/year
several miles/year
several feet/year
several yards/year
5
As you move further away from the mid-ocean ridge, the rocks are...
More magnetic
Redder
Younger
Older
6
Which letter in the image here shows the Subduction Zone
A
B
C
D
7
What do scientist use to map the ocean floor?
Gamma waves
Sound waves
Microwaves
Radar waves
8
Who was Alfred Wegener?
A polar explorer
The scientist who proposed the theory of continental drift.
All of the above were true about Mr. Wegener.
A meteorologist
9
What is it called when oceanic crust goes down into the mantle under the continental crust?
sublimation
superposition
A. Divergent boundary
subduction zone
10
The Pacific Ocean is
Expanding
stable... neither expanding or contracting
Contracting
11
By how many points did the faculty win, yesterday?
Five
Two
Three
Four
12
The presence of coal in Antarctica means that this continent must have
moved over time
all of these
had tropical weather
changed climate
13
Which scientist proposed that the ocean floor was expanding around mid ocean ridges?
Alfred Neuman
Albert Einstein
Harry Hess
Alfred Wegener
14
Convection currents that drive plate tectonics primarily occur in the...
outer core
mantle
All of the above
Inner core
15
Magma that turns into rock at the mid ocean ridge, has iron crystals that record
Earth's History
Earth's cosmic rays
Earth's magnetism
Earth's gravity
16
What type of boundary is it when an ocean plate meets a continental plate?
Convergent
Divergent
Subduction
Insurgent
17
What feature is usually found over subduction zones?
Earthquakes
Mountain Ranges
All of these
Volcanoes
18
What type boundary is formed when oceanic crust meets oceanic crust?
Convergent boundary
Transform boundary
Linguistic boundary
Divergent boundary
19
The history of the seafloor bears the striped pattern of the Earth's
All of the above are true.
magnetic reversal
atmospheric changes
climate change
20
The Atlantic Ocean is
Contracting
Expanding
stable... neither expanding or contracting
21
In addition to earthquakes, what other activities happen at plate boundaries?
Mountain building
Oceanic trench formation
All of the above
Volcanic activity
22
Each side of the midocean ridge belongs to a different...
lithospheric plate
asthenopheric plate
Both red and blue are correct
mantle plate
23
What feature is usually found over subduction zones?
Earthquakes
Volcanoes
Mountain Ranges
All of these
24
Which letter in the image here shows the Lithosphere?
A
B
C
D
25
What force is cited as the driving force that moves the ocean plates?
Volcanoes
Earthquakes
Convection Currents
Ocean Currents
26
Which one of the following is not in the mid ocean ridge?
Ocean Trench
Rift Valley
Volcanic Activity
New Rock
27
Concerning rocks found on the ocean floor, which of the following is true?
Both red and blue are true.
Magnetic pattern in the Atlantic is different in the Pacific
The rocks show a pattern of magnetized stripes.
Rocks show the magnetic field of when they were created.
28
Which of the following did Wegener NOT use as evidence for a supercontinent.
Paleoclimate data
Fossils correlation
Mountain Ranges correlation
Magnetic orientation of rocks
29
This image shows which type of boundary?
Convergent boundary
Linguistic boundary
Transform boundary
Divergent boundary
30
A subduction zone is the entire area between the...
the rift valley and the trench
mid-ocean ridge and the volcanic arc
mid-ocean ridge and the trench
trench and the volcanic arc
31
Harry Hess was the first to propose what theory?
Theory of Magnetic Rock Reflection
The theory of Continental Drift.
Both red and blue are correct
The theory of sea-floor spreading
32
The mid ocean ridge is which one of the following?
Both red and blue both part of mid ocean ridges.
Convergent Boundary
Transform Boundary
Divergent Boundary
33
What concept(s) explains how the major features of the earth form and deform?
Both red and blue
Echo-sounding
Sea-floor spreading
Subduction
34
Volcanoes are always found at...
where magnetic fields flip
subduction zones
the oldest areas of seafloor spreading
sonatic zones
35
What is the name of the supercontinent when all the continents were connected?
Pangaea
Godwana
Laurasia
Panama
