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