Plate Tectonics Question Preview (ID: 57307)


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How does Earth's inner core differ from the outer core?
a) The inner core is solid, the outer core is liquid.
b) The inner core is liquid, the outer core is solid.
c) The inner core is divided into plates, the outer core is not.
d) The outer core is divided into plates, the inner core is not.

Which of Earth's layers is the thinnest?
a) Crust
b) Mantle
c) Outer Core
d) Inner Core

Which of the following is NOT a result of two tectonic plates moving towards one another?
a) Earthquakes
b) Volcano Building
c) Mountain Building
d) Formation of Ocean Basin

Where does the energy that moves Earth's tectonic plates come from?
a) Earth's magnetic field
b) Convection currents in the mantle
c) Strong winds from storms
d) Waves and tides in the ocean

Over the years, many earthquakes have been recorded in southern Alaska, What can you infer about Alaska?
a) Alaska is located near the boundaries of tectonic plates.
b) Alaska is located in the middle of a large tectonic plate.
c) Alaska's cold weather affects the movement of tectonic plates.
d) Alaska has many strong waves and tidal activity.

Which of the following is associated with Earth's lithosphere?
a) Crust, Core
b) Crust, Upper Mantle
c) Inner Core, Outer Core
d) Outer Core, Lower Mantle

When tectonic plates are strained to the point they can no longer bend, which of the following is most likely to occur?
a) Earthquake
b) Volcanic Eruption
c) Convection Current
d) Ocean Basin Formation

Which of the following is true?
a) The crust is more massive than the core.
b) The core is the least massive layer of Earth.
c) The mantle is twice as massive as the core.
d) The core is made up of both solid and liquid materials

Where will you most likely find the least number of tectonic activity?
a) Eurasian Plate
b) South American Plate
c) Australian Plate
d) North American Plate

How is an ocean basin formed?
a) Tectonic plates moving away from each other.
b) Tectonic plates moving toward one another.
c) Tectonic plates sliding past one another.
d) One tectonic plate sinking beneath another plate.

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