Shaping the Area

Molly B. (United States of America)
24 words 1 learner

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Full list of words from this list:

words only definitions & notes
  1. sedimentary rock
    rock formed from consolidated clay deposits
    These are all types of sedimentary rocks!
  2. metamorphic rock
    rock altered by pressure and heat
    The basement rock can be seen as highly resistant metamorphic rock.
  3. igneous rock
    rock formed by the solidification of molten magma
    The continents were smaller and made up of mostly igneous rock.
  4. sedimentary
    formed by or containing the accumulation of deposited matter
    These are all types of sedimentary rocks!
  5. metamorphic
    having undergone transformation by pressure, heat, etc.
    The basement rock can be seen as highly resistant metamorphic rock.
  6. igneous
    produced by the action of fire or intense heat
    The continents were smaller and made up of mostly igneous rock.
  7. erosion
    the process of wearing or grinding something down
    Erosion is when rocks are transported to a new location.
  8. compression
    the act of applying force
    Mountain building occurs due to compression and uplift of Earth’s crust.
  9. layer
    a single thickness of some substance or material
    You can try this by layering some towels on top of one another on a table.
  10. chemical process
    (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
    When chemical processes break down rock, it is called chemical weathering.
  11. sediment
    matter that has been deposited by some natural process
    Deposition is the process by which sediments are laid down.
  12. deposition
    the act of putting something somewhere
    545 million years ago – 320 million years ago

    This time period was one of deposition.
  13. meander
    move or cause to move in a winding or curving course
    5 million years ago – present day

    Rivers meander and carve valleys and canyons.
  14. erode
    remove soil or rock
    During this mountain building period the previously deposited marine sedimentary rocks were weathered and eroded away.
  15. deposit
    the act of putting something somewhere
    During this time period marine sandstone, limestone, and shale were deposited.
  16. eroded
    worn away as by water or ice or wind
    During this mountain building period the previously deposited marine sedimentary rocks were weathered and eroded away.
  17. plateau
    a relatively flat raised area of land
    Actually, technically the Colorado National Monument is part of the Colorado Plateau.
  18. dissolve
    pass into a solution
    When water flows over limestone it actually dissolves the limestone.
  19. constructive
    tending to improve or promote development
    2 billion years of constructive and destructive processes

    Close your eyes and pretend you are watching a movie.
  20. glacier
    a slowly moving mass of ice
    Rivers, wind, and glaciers break down less resistant rock and carry it to lower elevations.
  21. destructive
    causing damage
    2 billion years of constructive and destructive processes

    Close your eyes and pretend you are watching a movie.
  22. mechanical
    using tools or devices
    When rock is broken down by mechanical process such as rivers, wind, and ice, it is called mechanical weathering.
  23. expose
    make visible or apparent
    So those original igneous rocks you read about earlier are now exposed again.
  24. climate
    the weather in some location averaged over a period of time
    This layer formed during a time when the climate was more desert-like.
Created on 十月 4, 2011

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