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Chapter 3 Plate Tectonics Flashcards | StudBud
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Chapter 3 Plate Tectonics
Chapter 3 Plate Tectonics
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A #science quiz about #platetectonics #Pearson #Interactive Science #Earth Structure #Chapter 3
Flashcards
27 cards
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Questions
27
Answers
1
Any trace of an ancient organism that has been preserved in rock is called a?
fossil
mineral
landform
artifact
2
What evidence did Wegener use to support the Theory of Continental Drift?
The continents fit together like a jigsaw
The same fossils were on different continents
All of the Above
Evidence of plant life in Antarctica (climate changed)
3
Converging continental crusts (equal density) create what land form?
rift valley
deep-ocean trench
mid-ocean ridge
mountain range
4
Identify the Plate Boundary
Transform
No boundary
Convergent (Subduction)
Divergent
5
Wegener proposed that the continents were once joined to form a supercontinent called...
Panthalssa
Pangaea
Rhodesia
Rondwana
6
Identify the Plate Boundary
No boundary
Convergent
Divergent
Transform
7
Which process adds more crust to the ocean floor?
Convergence
Sea-floor spreading
Magnetic Stripes
Subduction
8
T/F: If subduction occurs faster than oceanic crust can be created the ocean will expand.
true
false
9
Identify the Plate Boundary
No boundary
Divergent
Convergent (Subduction)
Transform
10
T/F Places near plate boundaries have a higher risk of earthquakes
False
True
11
Plate Tectonic theory states that:
The Earth's oceanic crust always boarders the ocean
Broken parts of the crust move in constant, slow motion
Dinner plates will be outlawed in 2051
The Earth is expanding
12
What forces are thought to be responsible for Plate Movement?
Unconformity
Gravity only
Radioactivity
Convection Currents
13
Why is new oceanic crust
less dense
than older oceanic crust?
It has less wrinkles.
It is closer to a vent.
It is hot.
It is cold.
14
Which crust is undergoing subduction?
Continental
Oceanic
15
Found across Africa and South America, the fossils of
Mesosaurus
was of a(n) _______
animal
mountain range
insect
plant
16
What country does the mid-ocean ridge go through?
Chile
Iceland
Greenland
Scotland
17
When denser oceanic crust goes under less dense continental crust is what process?
Continental drift
Sea-floor spreading
Subduction
Plate tectonics
18
Which is NOT a feature associated with subduction zones?
Volcanoes
Earthquakes
Flat plains
Trenches
19
What technology was used in the mid 1900's to map the bottom of the ocean floor? (don't let the photo fool you)
Sonar
Satellites
Deep-sea divers
Submarines, like Alvin
20
Which is NOT evidence of Continental drift?
Same fossils on different continents
Rotation of the Earth
Evidence of climate changes
Continents fit together like puzzle pieces
21
What can be found where subduction is occurring?
Deep-ocean trenches
Mountains
Sea floor spreading
Mid-ocean ridge
22
T/F:Continental drift states that all continents were once joined as a single super continent.
True
False
23
Glossopteris
is the ancient fossil of a(n)
plant
insect
animal
mountain range
24
Alfred Wegener first proposed that...
Peanut butter and jelly should go together
The seafloor is spreading
The continents drift away from each other
The Earth is expanding
25
Identify the Plate Boundary
Divergent
Transform
All of them
Convergent (Subduction)
26
Which of the following forms the longest mountain ranges on Earth?
The mid-ocean ridges
The Andes Mountains
The deep-ocean trenches
The Rocky Mountains
27
T/F: Oceanic crust nearer to mid-ocean ridges is younger than crust farther away.
False
True
