5th Grade Inside Earth Chapter 1 Section 3-5

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Can you match the terms from Chapter 1 Section 3-5 with their descriptions?

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a deep valley that forms where two plates move apart
a trace of an ancient organism that has been preserved in rock
the process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary
the process by which molten material adds new oceanic crust to the ocean floor
the name of the single landmass that broke apart 200 million years ago and gave rise to today's continents
a plate boundary where two plates move past each other in opposite directions
a section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust
a plate boundary where two plates move away from each other
an undersea mountain chain where new ocean floor is produced
the hypothesis that the continents slowly move across Earth's surface
a deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle
a break in Earth's crust where masses of rock slip past each other
a well-tested concept that explains a wide range of observations
a plate boundary where two plates move toward each other
the theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle
a device that determines the distance of an object under water by recording echoes of sound waves

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