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| What is rock that is formed under high temperature but is not exposed to enough heat to melt? |
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| Rock that forms when hot, liquid rock, or magma, cools and solidifies |
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| Shale can be metamorphosed into slate by .... |
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| increased heat and pressure |
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| Rock made of material that has settled to the bottom of lakes and oceans and have been compressed and hardened is |
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| The oldest rock layer is most likely to be the layer that is: |
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| scientist learn from studying the relationships between fossils? |
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| How life has changed over time. |
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| Marine fossils were discovered on a Canadian mountain top. What could scientists conclude from this evidence? |
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| The rocks on the mountaintop were once below the ocean’s surface |
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| What major geological event formed the Applachian and Rocky Mountains? |
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| What layer of the earth is in the center of the earth? |
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| How does erosion help scientists learn more about past geological events? |
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Definition
| It creates new layers of sedimentary rock |
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| The Lithosphere is divided into segments called |
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| Earthquake activity causes |
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| Sandstone, Shale, Limestone and Granite to crack. |
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| Sedimentary layers on top of other features are thought to be |
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| when two plates spread apart |
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| On average how much movement do the earth's plates experience over one year? |
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| the plastic layer of the mantle on which the tectonic plates move |
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| process by which new rock is made from old rock |
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| layer of the earth where convection occurs |
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| Naturally occurring solid mixture of one or more minerals and organic matter |
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| The hypothesis that states the continents once formed a single landmass, which broke up and drifted apart |
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| How is the South American Plate moving relative to the Nazca Plate? |
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Definition
| Converging (The two plates are coming together) |
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