Earth vocab

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Author:
natalie98
ID:
42213
Filename:
Earth vocab
Updated:
2010-10-14 16:32:18
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Earth
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Period 9 science
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  1. Equator
    Imaginary line around the earth that divides the earth into two hemispheres; parallel halfway between the North and South poles.
  2. rotation
    The turning of an object on its axis.
  3. Revolution
    The movement of the earth in its orbit around the sun.
  4. sphere
    Ball-shaped; every point on its surface is an equal distance from the center.
  5. oblate spheroid
    A sphere that flattens at its poles and bulges at its equator.
  6. lithosphere
    The topmost solid part of the earth.
  7. hydrosphere
    The part of the earth's surface covered by water.
  8. Atmosphere
    The envelope of gasses surrounding the earth.
  9. Continent
    A large land area that measures millions of square kilometers and rises a considerable distance above sea level.
  10. Outer core
    The liquid layer of the earth surrounding the inner core.
  11. Inner core
    The solid, most inner layer of the earth.
  12. Asthenosphere
    The partially melted layer in the mantle.
  13. mantle
    The layer of the earth that extends from the bottom of the crust to the earth's core.
  14. moho
    Mohorovicic discontinuity; the boundary between the crust and the mantle.
  15. crust
    The thin most outer layer of the earth.
  16. map
    The drawing of the earth of part of the earth on a flat surface.
  17. topography
    The shape of the earth's surface.
  18. topographic map
    A map that shows the different shapes and sizes of a land surface.
  19. latitude
    The measure of distance north or south of the equator.
  20. parallels
    The lines from east to west across a map or globe that measures latitude.
  21. longitude
    The measure of the distance east or west of the prime meridian.
  22. meridians
    The lines on a map or globe between the points that represent the geographic North and South poles of the earth; measures longitude.
  23. globe
    Spherical model of the earth.
  24. prime meridian
    The meridian that runs through Greenwich, England, at 0 longitude.
  25. mercator projection
    Representation of the curved surface of the earth on a flat piece of paper, in which direction and shape are accurate but size and distances are distorted.
  26. equal-area projection
    The representation of the curved surface of the earth on a flat piece of paper, in which distance is accurate and size and shape are distorted.

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