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**Q2T1 Dynamic Earth 2021 Flashcards | StudBud
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**Q2T1 Dynamic Earth 2021
**Q2T1 Dynamic Earth 2021
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1
Which discovery confirmed that the continents move on plates?
sedimentary rocks
spreading of the sea floor
earthquake formation
deep-sea currents
2
Leaves broken rocks behind when the front edge melts
deposition
erosion
weathering
3
Which geologic feature forms when an oceanic tectonic plate is slowly subducted beneath continental tectonic plate?
mid-ocean ridge
ocean trench
continental rift valley
continental hot spot
4
Pick the correct recycling method for the picture.
collision of tectonic plates
weathering
subduction
5
The theory of plate tectonics revolutionized scientific thought because
mapped the pattern and frequency of earthquakes.
explained the mineral differences between continents.
explained the movement of oceanic and continental crusts.
demonstrated how tidal forces affect coastlines.
6
Breaks large rocks into smaller ones
deposition
weathering
erosion
7
Crustal plates that pull apart from one another most likely form
oceanic trenches
rift zones
strike-slip faults
volcanic island arcs
8
In a region where two continental plates collide, what geological feature most often forms?
river valley
mountain chain
an ocean
a volcano
9
What causes the tectonic plates of Earth to continually move?
convection currents in the mantle
rotation of the solid core
volcanic and seismic activity in the crust
strong winds and storms
10
Which has been formed on the Asian continent by two continental plates that press together for millions of years
large freshwater lakes linked by rivers
a tall mountain chain
large fields of gravel
an uneven thickness of sedimentary layers
11
Pushes broken rocks ahead of itself
erosion
deposition
weathering
12
Pick the correct recycling method for the picture
subduction
Collision of tectonic plates
weathering
13
India was once its own continent. According to theory of continental drift, India has collided with Asia causing
deep mid-ocean trenches to develop
deserts in the area to become fertile
large mountain ranges form
glaciers in the area melt
14
Pick the correct recycling method for the picture.
weathering
subduction
collision of tectonic plates
15
An earthquake occurs in western Nevada. What most likely causes the earthquake?
rotational imbalance due to changes in the location of Earth's poles
gravitational variation due to the Moon's orbit around Earth
temperature variation due to Earth's orbit around the Sun
stress due to the movement of Earth's crustal plates
16
What process transports sediments at the slowest rate?
rising flood waters
ocean waves breaking onto the shore
glacial movement
volcano erupting
17
Many scientists thought a hot spot erupted & formed Hawaiian Islands. Which best supports single hot spot hypothesis?
volcanoes at hot spots have only one eruptions which lasts 100's of years
Pacific tectonic plate is too small to have multiple hot spots
location of volcanoes match movement of Pacific tectonic pate over hot spot
Hot spot large enough to form all the islands at the same time
18
Which most likely form at the boundary where the seafloor is spreading?
subduction zones
continental shelves
mid-ocean ridges
strike-slip faults
