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Continental Drift / Evidence of Plate Motion Flashcards | StudBud
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Continental Drift / Evidence of Plate Motion
Continental Drift / Evidence of Plate Motion
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1
Panthalassa is_________________.
the greek name for earth
supercontinent
a species of dinosaur
ancient global ocean
2
Alfred Wegener thought the earth looked like this
250-300 million years ago
3 billion years ago
2-3 million years ago
never
3
Alfred Wegener developed the
theory of continental drift
theory of plate tectonics
theory of moving earth
theory of continental plates
4
When did the supercontinent Pangaea begin to break apart?
about 100 million years ago
about 200 million years ago
about 1 billion years ago
about 3.5 billion years ago
5
Sea-floor Spreading
a valley formed by the separation of tectonic plates
When molten material adds new oceanic crust to the ocean floor
a valley formed by the separation of tectonic plates
When molten material adds old oceanic crust to the ocean floor
6
Which of these is NOT evidence of continental drift?
Warm climate fossils found in cold climates.
Glacier markings (scratches) in warm climate.
Equator moved from center of Earth to the poles.
Coal fields match up.
7
What was Alfred Wegener's profession?
Paleotologist
Astronomer
Meterologist
Geophysicist
8
Which of these is NOT evidence of continental drift?
Continents fit like puzzle pieces
Glaciers completely melted
Freshwater animal fossil separated by oceans
Fern fossil found on lots of continents
9
Where is the Continental Slope?
15
13
6
4
10
What drives continental drift
Concussion currents
Conduction curents
Convection currents
Contusion currents
11
Pangaea means...
Land Connections
Supercontinent
All the Land
Land everlasting
12
Along what feature on the ocean floor does seafloor spreading begin?
mid ocean ridge
ocean floor
subduction zone
deep ocean trench
13
Fill in the blanks with the correct labels
Continental Slope, Mantle, Seamounts
Mid-Ocean Ridge, Mantle, Trench
Abyssal Plain, Seamounts, Outer Core
Oceanic Crust, Continental Crust, Inner Core
14
Panthalassa means "all the ocean".
True
False
15
The youngest crust at the mid-ocean ridges is depicted by what color?
RED
BLUE
GREEN
YELLOW
16
Seamounts are located at
a
b
c
d
17
Oceanic crust near the mid-ocean ridge is...
not different from the crust further from the ridge.
contains more fossils than the crust further from the ridge.
more wet than the crust further from the ridge.
younger than the crust further from the ridge.
18
The __________ trench is the deepest in all the oceans.
Marina
Mariana
Marinara
Marsupial
19
Laurasia and Gondwanaland were
the two oceans after panthalassa
the two continents after pangaea
primitive mammals
dinosaurs with big noses
20
What are seamounts?
Large mountains in the ocean
A volcano that always erupts into the ocean
A large mountain range in the ocean
Volcanic mountains that don't reach the surface of the ocean
21
Where is the Continental Shelf?
6
4
13
15
22
What was the name of the first supa-ocean?
Tethys Ocean
Panthalassa
Pacific Ocean
Archean Ocean
23
Which evidence supports sea floor spreading?
layers of sedimentary rock in the Grand Canyon
pattern of magnetic orientation on the mid Atlantic ridge
the density of oceanic crust is greater than continental
the ocean floor and continents have similar origin
24
Spitsbergen was what?
An island in the artic ocean that contained tropical plant fossils
A person that spits when they talk
Spinach on a Cheeseburger
A german mountain filled with spitting cobras
