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unit 4 science vocab

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Across
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The outer layer of the earth
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Small body made of matter in outer space that burns up once it hits earth's atmosphere
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Hot molten or semi-fluid rock
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The color of the powder produced when it is dragged across a mineral
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A linear feature located between two tectonic plates
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Any substance that occurs in nature
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A fluid layer made out of mostly iron and nickel and lies above the earth's solid inner layer
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Upper layer of earth's mantle
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The force that attracts things to the face of the earth
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A tectonic boundary where two plates are moving toward each other
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The layer between the crust and the core of earth
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The binding of particles together by cement
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A system of chronological measurement based on the study of the planet's rock layers
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Earth's innermost composed of iron-nickel alloy
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Rock formed from chemical or organic sediment
Down
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The four largest moons of Jupiter
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A celestial body made up of a nucleolus of dust and ice
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A rock that has been changed by heat and pressure
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Denoting rock that has been excluded
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Not needing a crew
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Where plates slide sideways past each other
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The way the light interacts with a crystal or rock
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The ongoing discovery of celestial structures
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The process of how rocks are created
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A theory of global tectonics
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Rock formed from the cooling of molten materials
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A broken rock or formation
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Hot fluid below or within the earth's crust
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Causing annoyance through being unwelcomed
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Small rocky figure that orbits the sun