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8-3.6/8-3.7 Flashcards | StudBud
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8-3.6/8-3.7
8-3.6/8-3.7
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1
Where converging continental plates meet, earthquakes occur. What type of stress is this?
Compression
Tension
Normal
Shearing
2
What process is happening at the region labeled "A"?
compression
shearing
sea-floor spreading
Subduction
3
Mountains are formed when _________
hot spots drop into the asthenosphere
transform faults appear
two continental plates collide
divergent boundaries appear between plates
4
The movement of the tectonic plates, in the diagram below, is caused by ________.
Earthquakes along plate boundaries
volcanoes on the mid-ocean ridges
Oceanic currents
convection currents in the asthenosphere
5
The theory that states pieces of Earth's lithosphere are in constant, slow motion is the theory
subduction
plate tectonics
deep-ocean trenches
sea-floor spreading
6
What surface feature provides evidence of a very hot, molten mantle?
Pangaea
Mountains
Volcanoes
Minerals
7
According to the map, which of the following describes where volcanoes are most likely to form
In the middle of the tectonic plate
Where tectonic plates meet other plates
Below the surface of the tectonic plates
Within the ocean as folded mountains
8
In what way does the feature shown in the diagram give evidence that eruptions are constructive
Stress caused by the magma produces folded mountains
Magma comes from deep within Earth
The explosive action destroyed the surrounding landscape
Cinders and cooled lava added new rock to existing land
9
What feature is being formed within the oceanic plate labeled "B"?
Volcanic Island
fault-block mountain
Pangaea
continental crust
10
When tectonic plates slide past each other, what type of fault results from the stress/tension?
Tension
Strike-slip
Normal
Reverse
11
If the locations of volcanic eruptions over the past 10 years were plotted, what would you see?
Volcanic eruptions occur near the middle of continents
Volcanic eruptions occur equally everywhere on Earth
Volcanic eruptions do not occur in any consistent pattern
Volcanic eruptions occur along the edge of tectonic plates
12
A transform plate boundary moves in which direction?
Toward each other
Away from each other
Sliding past each other
13
Which organism gives the best fossil evidence that South America and Africa where once joined?
Mesosaurus
Earthworms
Glossopteris
Lystrosaurus
14
What is causing the volcanoes to form along the edge of the continent?
Continental crust is being pushed up by oceanic crust
The mantle is melting and forming the volcanoes
Oceanic crust is subducted, melted, and forced up
Continental crust is heated up and melts to form magma
15
All of the following have been used as evidence for the continental drift hypothesis EXCEPT:
continental shape
climate clues
convection in the mantle
fossils
16
What happened to layers 3-6 as compression forces pressed upon the rock layers?
Folding
Shearing
Melting
Faulting
17
Which feature of the ocean floor developed in the region labeled "A"?
fault-block mountain
mid-ocean ridge
continental shelf
subduction zone trench
18
Where converging plates meet stress on the rocks causes land to fold What stress causes folding
Compression
Reverse
Shearing
Normal
19
Which of the following is occurring when a dense oceanic plate slides under a continental plate
divergent boundaries appear between plates
Two plates are producing folded mountains
Plate material is being melted
Plate material is being produced
20
The pressure that causes a volcanic eruption is produced by _________.
Chemical changes beneath Earth's crust
Heat trapped deep within Earth
The weight of Earth's crust
The rock cycle
21
Underwater mountain ranges known as the mid-ocean ridge were created by _______
erosion of surrounding areas
volcanic activity along divergent boundaries
accumulation of sedimentary rock
water pressure collapsing surrounding areas
22
Which diagram best represents the movement at a transform boundary?
A
C
D
B
23
Tectonic plates move in which direction at a divergent boundary?
Away from each other
Towards each other
Slide past each other
24
What process is taking place in the diagram on the left? THE ANSWER IS MOUNTAIN BUILDING
Soil erosion
Compaction
Mountain building
Deposition
25
The event that occurred along line XY is most appropriately described as __________.
Erosion
Volcanic Eruption
Subduction
Faulting
26
The Appalachian Mountains were formed when rock was squeezed. What type of mountains are these?
Volcanic mountains
Folded mountains
Fault-block mountains
Strike-slip
27
In which of these ways can volcanoes help build up new land?
By adding heat to Earth's surface
By adding smoke particles to the atmoshpere
By adding lava to Earth's surface
By adding gases to the atmosphere
28
Which statement best explains why earthquakes occur more frequently in California than in S.C.
California is on a boundary of two tectonic plates SC is not
California is on a continental plate, SC is not.
Rock under California is soft, rock under SC is hard
California has igneous rock, SC is sedimentary
29
Which diagram shows the type of stress placed on rocks along the San Andreas fault?
D
A
B
C
30
In which part of Earth are tectonic plates found?
Mantle
Asthenosphere
Lithosphere
Core
31
The Hawaiian Islands were formed by volcanic action not at a boundary, what is the cause?
The tectonic plate hot spot that allows magma to pass
The Hawaiian Islands are their own tectonic plate
There's a divergent zone near the Hawaiian Islands
There is very little coral growth around the Hawaii
32
What type of tectonic plate boundary has formed as shown in the diagram above?
Divergent boundary
Convergent boundary
Transform boundary
Continental boundary
33
Which of the following shows the position of the continents when Pangaea was formed? Answer B
B
A
34
The large number of volcanoes and earthquakes along the coast of the Pacific Ocean are due to
the movement of crustal tectonic plates
the unequal heating of Earth by the Sun
Earth's radiation of heat into space
the increasing diameter of Earth
35
Which type of plate boundary occurs where "C" and "D" meet?
Transform boundary
Convergent boundary
Reverse fault boundary
Divergent boundary
36
The layer over which the tectonic plates float is the ________
Crust
Lithosphere
Core
Asthenosphere
37
In the process of sea-floor spreading, the plates below an ocean basin pull apart and ______.
continental plates move closer together
new floor is created by magma the pushes up and hardens
pressure inside Earth creates geysers of water on surface
hot spots develop within the plates
38
The land between two normal faults may be uplifted to form a __________.
Reverse Fault
Fold
Volcano
Fault-block mountain
39
The opening in a volcano through which magma flows out onto Earth's surface is called?
Normal Fault
Lava tube
Divergent boundary
Vent
40
Which diagram best represents the type of plate movement at a divergent boundary?
C
A
D
B
41
According to continental drift, the continents were once joined in a single landmass called ___
Africa
Euroasia
Hawaii
Pangaea
42
The primary cause of tectonic plate movement is __________
the gradual sinking of Earth's crust
convection currents beneath Earth's crust
the rotation of the Earth on its axis
heat from the sun warming Earth
43
The continental drift hypothesis suggests that the ____________.
South America and Africa are moving toward each other
continents moved due to the Earth's rotation
continents moved due to changes in the Earth's orbital speed
South America and Africa once fit together like puzzle parts