Plate Tectonics
Assessment
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Jacob Breyer
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Science
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6th - 8th Grade
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16 plays
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Hard
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10 questions
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1.
Multiple Choice
Which statement describes John Tuzo Wilson’s contribution to the theory of plate tectonics?
He proposed that plates carry parts of the seafloor.
He theorized that pieces of Earth move for a limited time.
He suggested that the asthenosphere is broken into segments.
He observed seafloor cracks similar to existing cracks in the continents.
2.
Multiple Choice
Which region of Earth did John Tuzo Wilson believe was broken into plates?
Lithosphere
outer core
Lower Mantle
asthenosphere
3.
Multiple Choice
Which statement describes the process of subduction?
Convection currents pull a plate into the mantle.
One plate slides beneath another due to gravitational pull.
Materials are transferred within Earth’s interior by density.
Heat cycles in the mantle cause plates to constantly move.
4.
Multiple Choice
Which phrase explains what the arrows show?
how convection currents move in Earth’s interior
the location of heated material near Earth’s surface
where plates move as material cools in the outer core
why the densities of materials remain constant at different layers
5.
Multiple Choice
Which plate does not appear in both hemispheres?
Indo-Australian
African
Pacific
Eurasian
6.
Multiple Choice
Into which layer of the Earth do plate boundaries extend?
Outer Cor
Lithosphere
Lower Mantle
Asthenosphere
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