Science

6th -

8thgrade

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Types of Rocks

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  • Multiple Choice
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    20 seconds
    1 pt

    igneous rock formed from lava that erupted onto Earth's surface

    extrusive

    intrusive

    clastic

    biogenic

  • Multiple Choice
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    20 seconds
    1 pt

    igneous rock that formed when magma hardened beneath the surface of Earth

    extrusive

    intrusive

    clastic

    biogenic

  • Multiple Choice
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    20 seconds
    1 pt

    constantly broken apart by freezing and thawing, plant roots, acid, and other forces on rock

    weathering

    erosion

    compaction

    cementation

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