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Plate Tectonics (ACMS)
Plate Tectonics (ACMS)
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1
What process occurs when an oceanic plate pushes beneath a continental plate?
subduction
magnetism
succession
reduction
2
Which of the following best describes subduction?
one plate destroying another
one plate colliding with another
one plate going beneath another
one plate dividing another
3
If a teacher pushes two pieces of clay together. What kind of plate boundary is the teacher demonstrating?
earthquake
divergent
convergent
equator
4
Which type of landforms are most likely to be found along mid-ocean ridges?
plains
glaciers
deltas
volcanoes
5
Continental-continental plate collisions produce
deep rift valleys.
small island arcs.
deep-sea trenches.
tall mountain ranges.
6
What is indicated by frequent earthquakes in an area?
tectonic plate boundaries
mantle convection
reversed polarity
sea-floor spreading
7
What is the BEST explanation for what will most likely occur at a transform boundary?
Mountains will form because there is compression and rock folding.
Thermal vents will form because of magmaflowing up under high pressure.
Earthquakes will occur when the two different plates slide pass each other.
Volcanic eruptions will occur because the platesslide past each other.
8
What drives the movement of Earth's tectonic plates?
the convection of magma under the plates moving them
the movement of air currents pushing on theplates
the movement of Earth on its axis pulling on the plates
the convection of ocean currents above theplates pushing them
9
The Theory of _________ states that new ocean crust is formed at ocean ridges where plates are diverging.
Pangaea
Continental Drift
Seafloor Spreading
Tectonic Plates
10
The edge of one plate sinking beneath the edge of another plate is a process called ___________.
Tectonics
Subduction
Eruptions
Faults
11
Which of the following is responsible for volcanic action and the formation of mountain ranges?
plate tectonics
the supercontinent cycle
erosion
semidiurnal tides
12
Why do the areas along the "Ring of Fire" experience many volcanic eruptions and earthquakes?
There are powerful ocean currents in the Pacific.
There is strong tidal activity along the coasts.
There are numerous tectonic plate boundaries.
There is warm and cool water mixing in thePacific.
13
What can be created when tectonic plates collide?
fault line
rift tides
hurricanes
mountains
14
Who is the scientist that is credited with developing the theory of Continental Drift?
Ptolmey
Harry Hess
Copernicus
Alfred Wegner
15
New ocean crust continuously forms
near deep-ocean trenches.
where sediment is thickest.
at mid-ocean ridges.
at areas of low tide.
16
The hypothesis that continents have slowly moved to their current locations is called________.
Convection
Continental Drift
Continental Slope
Magnetic Reversal
17
What happens when two plates of different densities collide?
The more dense plate fractures.
The more dense plate subducts.
The plate that is less dense subducts.
The plate that is less dense fractures
18
Magma rises to become new oceanic crust where
two plates separate and move apart from one another.
one plate grinds against another plate.
two plates meet and collide with one another.
one plate splits into two distinct plates.
19
Which is a possible result of plates moving along a transform boundary?
earthquakes
volcanoes
convection
mountain belts
20
What occurs at convergent plate boundaries?
Plates slide past each other.
Plates do not move.
Plates collide with each other.
Plates spread apart from each other.
21
What causes mountains to form?
two oceanic plates colliding at a convergentboundary
two continental plates spreading at a divergentboundary
two oceanic plates spreading at a divergentboundary
two continental plates colliding at a convergentboundary
22
According to the theory of plate tectonics, where do activities such as earthquakes and volcanic eruptions occur?
along plate boundaries
above the surfaces of plates
in the outer regions of plates
in the centers of plates
23
What occurs at transform plate boundaries?
Plates spread apart from each other.
Plates collide with each other.
Plates slide past each other.
Plates do not move.
24
Earth has several types of tectonic plate boundaries. Which type exists between two plates that are moving apart?
transform
divergent
conservative
convergent
25
A rift valley is evidence of a
uniform boundary.
divergent boundary.
transform boundary.
convergent boundary.
