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WorksheetsUnit 3 Earth's Interior Vocabulary Terms
Total questions: 25
Worksheet time: 40mins
In sea-floor spreading, molten material rises from the mantle and erupts
along the edges of all the continents.
along mid-ocean ridges.
in deep-ocean trenches.
at the north and south poles.
Most geologists think that the movement of Earth’s plates is caused by _______
convection.
continental drift.
subduction.
conduction.
The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.
subduction
plate tectonics
deep-ocean trenches
sea-floor spreading
A place where two plates slip past each other, moving in opposite directions, is known as a _______
transform boundary
divergent boundary.
convergent boundary.
rift valley.
The place where two plates come together is known as a _______
transform boundary.
divergent boundary.
convergent boundary.
rift valley.
Below is a picture of sea-floor spreading. How are the ocean crusts moving?
Converging
Diverging
Sliding
No movement
A mid-ocean RIDGE is located at the boundary of two tectonic plates. Which diagram correctly models the relative plate motion on each side of a mid ocean ridge?
process that forms new oceanic crust and moves it
magnetic reversal
mid-ocean ridge
normal polarity
reversed polarity
seafloor spreading
takes place when the Earth's magnetic field changes
magnetic reversal
mid-ocean ridge
normal polarity
reversed polarity
seafloor spreading
Oceanic crust is older when it is closer to the mid-ocean ridge
True
False
A hot spot is located at the boundary of a plate
true
false
What geologic feature will occur at a hot spot ?
volcano
folded mountain
deep sea trench
crevasse
