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1
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Marie _______________ mapped the ocean floor.
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4
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A break in Earth's crust where plates have slipped past each other.
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5
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When two plates push together, it is called a _________________ boundary.
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8
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Pillow lava is a form of _______________ material.
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9
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This happens at a deep-ocean trench.
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12
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A once living thing preserved in a rock.
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13
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When two boundaries pull apart, it is called a _____________ boundary.
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14
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A _________ valley is a valley that happens then two plates pull apart on land.
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16
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Sea-floor ________________ is when new rock is formed and moves across the ocean floor and into a deep-ocean trench.
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18
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A ___________-ocean trench is a trench underwater. This is where subduction occurs.
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