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Intro to Plate Tectonics Flashcards | StudBud

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Intro to Plate Tectonics

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Questions 11

Answers

1
Where is old oceanic crust destroyed?
at mid-ocean ridges
Nowhere. It is preserved.
at hot spots
at ocean trenches
2
Which of these mark the edges of the tectonic plates?
earthquake locations
mountain ranges
paleomagnetism
coastlines of the continents
3
What is forming the Hawaiian islands?
a subduction zone
earthquakes
sea floor spreading
a hot spot
4
Which these describes continental crust?
complicated
light
all of these describe it
thick
5
Where is the ocean floor the oldest in any ocean?
in the middle
at the mid-ocean ridge
far from the mid-ocean ridge
it's all the same age
6
What is the name for the next Hawaiian island?
Lo'ihi
Hawai'i
Moloka'i
Lauwiliwilinukunukuʻoiʻoi
7
Which type of crust is thin, heavy, and simple?
all of these are like that
oceanic
bread
continental
8
Tectonic plates are pieces of the
lithosphere
crust
asthenosphere
mantle
9
Where do island arcs form?
above subduction zones
at mid-ocean ridges
at hot spots
in Kansas
10
Magnetic stripes along mid-ocean ridges are evidence for
supervolcano eruptions
island arcs
tsunamis
sea floor spreading
11
Patterns of earthquakes descending at trenches are called
S-wave shadow zones
tectonic plates
Benioff zones
island arcs