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| a scientist who studies the forces that make and shape planet Earth |
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| the material that forms Earth's hard surface |
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| the study of planet Earth |
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| a force that builds up mountains and landmasses on Earth's surface |
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| a force that slowly wears away mountains and other features on the surface of Earth |
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| a great landmass surrounded by oceans |
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| a vibration that travels through Earth carrying the energy released during an earthquake |
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| the amount of force pushing on a surface or area |
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| the layer of rock that forms Earth's outer surface |
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| a dark, dense, igneous rock with a fine texture, found in oceanic crust |
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| a usually light-colored rock that is found in continental crust |
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| the layer of hot, solid material between Earth's crust and core |
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| a rigid layer made up of the uppermost part of the mantle and the crust |
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| the soft layer of the mantle on which the lithosphere floats |
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Definition
| a layer of molten iron and nickel that surrounds the inner core of Earth |
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Definition
| a dense sphere of solid iron and nickel in the center of Earth |
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