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Plate Tectonics/Continental Drift Review Flashcards | StudBud
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Plate Tectonics/Continental Drift Review
Plate Tectonics/Continental Drift Review
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Answers
1
Many earthquakes occur along the San Adreas Fault. What type of fault is this?
subduction
divergent
transform
convergent
2
What 2 features do convergent boundaries cause?
mountains and volcanoes
tides and tsunamis
tides and earthquakes
mountains and earthquakes
3
Continents on Earth today are not in the same location as 300 million years ago. What concept BEST explains this.
law of consrevation of mass
seismic probability
theory of plate tectonics
global warming
4
Which statement describes the geologic processes taking place at a subduction zone?
More dense oceanic plate slides under a less dense continental plate
A less dense continental plate slides on top of a more dense oceanic plate
A less dense oceanic plate slides on top of a more dense continental plate
A more dense continental plate slides under a less dense oceanic plate
5
What type of plate boundary is crust neither created nor destroyed?
transform
subduction
convergent
divergent
6
Wegener used evidence from land features, fossils, and volcanoes to support his theory of continental drift.
False
True
7
What leads to the formation of oceanic trenches?
Denser oceanic crust sinks below the continental crust
Denser continental crust sinks below oceanic crust
Deep currents erode the plate boundary
Rising magma reaches the surface and foms a V-shaped depression
8
Which statement is true regarding the movement of the continents on the opposite sides of the Atlantic Ocean?
They are drifting closer together
They drifted further apart and then drifted closer together
They are drifting further apart
The have remained the same distance apart
9
When a divergent boundary occurs on land, it creates
explosion
earthquake
rift valley
volcano
10
What type of boundary is shown below?
continental-continental convergent plate boundary
oceanic-continental convergent plate boundary
continental-continental divergent plate boundary
oceanic-oceanic divergent plate boundary
11
Transform boundaries cause volcanoes.
True
False
12
How are earthquakes formed?
release of energy in a convergent boundary
release of energy in a divergent boundary
release of energy in a transform boundary
none of the above
13
Over time, plates move about 1 to 12 inches a year.
False
True
14
What can a geologist understand by studying the fossil composition of sedimentary rocks?
how some extinct animals preyed on others for food
how animals build their shelter
how life forms evolved over time
haw land animals used rocks as habitats
15
Scientists discovered similar striations on 5 continents. Conclusion?
The glaciers were thick enough to move large distances between continents
The glaciers were hugh and stretched from one part of Earth to another
The continents once had the same climate and life-forms
The continents were once connected and then drifted apart
16
Which two continents provide the strongest connection to Pangaea?
Africa and Australia
North America and Africa
South America and Africa
South America and Australia
17
Most geologists of Wegener's time accepted his idea of drifting continents.
True
False
18
Pangaea was when the continents started drifting apart.
False
True
19
Sea-floor spreading and rift valleys come from what type of boundary?
convergent
divergent
subduction
transform
20
As continents move towards the poles, the climate gets
rainy
cooler
warmer
no change
21
The fossils of the same species of lizard were collected in 2 different continents. What does that suggest?
The lizrd migrated across the ocean to the other continent
The lizard evolved on 2 continents at the same time
The 2 continents were in different hemispheres.
The continents were once part of a single large continent.
22
What type of boundary is formed when two continental plates converge, buckle and push up into mountain ranges?
divergent plate boundary
subduction zone
convergent plate boundary
transform plate boundary
23
What evidence supports the theory that continents were once a large landmass?
The continents share a similar climate
Minerals like gold and copper are found worldwide
Similar fossils have been found on different continents
Coconut trees are found on coastlines
24
What feature has been shown to make continental plates move?
convection currents
all of the above
convection ovens
wax on wax off
