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| The sudden vibration of land due to the movement of crustal plates against one another. |
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| The spot inside the Earth where an earthquake begins |
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| The point on the Earths surface that is directly above the focus of an earthquake |
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| Fiery rock; formed as magma cools and becomes hard |
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| Igneous, metamorphic, or sedimentary rock that has been changed into a different kind of rock by extreme heat and pressure |
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| Formed by layers of sediment cemented together over thousands of years |
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| Fragments of rock and fossilized remains, created by weathering and carried from one place to another by wind, water, or glacial ice |
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| A scale based on the numbers one to ten that measures the energy released by an earthquake |
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| Reoccurring sequence of rocks changing into other kinds of rocks |
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| The breaking down of rock by chemical or mechanical means |
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| An instrument to read movement of the land caused by an earthquake |
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| A mountain that forms when lava, ashes, rocks, and melted materials pile up and harden |
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| Weathering that occurs when the chemical makeup of a rock changes; caused by chemical reactions between minerals in rock, air, and water |
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| Process by which weathered material is moved from one place to another by wind, running water, waves, gravity, or glacial ice |
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| Weathering that occurs when the size and shape of rocks change through changes in temperature, ice, or the growth of plant roots |
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