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3 
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The strong, lower part of the mantle between the asthenosphere and the outer core. 
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4 
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The layer of Earth's interior located between the inner core and mantle. 
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5 
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The central part of Earth below the mantle. 
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6 
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The solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle. 
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7 
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An elastic wave, or a packet of energy, produced by an eathquake. 
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9 
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The solid, plastic layer of the mantle beneath the lithosphere. 
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10 
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The thick layer of rock between Earth's crust and core. 
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11 
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The solid innermost part of Earth, composed mostly of iron and nickel under extremely high pressure and temperature. 
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12 
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A process at a convergent boundary in which an oceanic plate is descending beneath another, overriding plate. 
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13 
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A meteorite is a solid piece of debris from an asteroid. 
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1 
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A primary wave, or compression wave. 
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2 
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A secondary wave, or shear wave. 
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3 
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The zone marks the boundary between the crust and mantle. 
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8 
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The thin and solid outermost layer of Earth above the mantle. 
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