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Unit 1. Planet Earth

  • Game Code: 534699
  •  English    11     Public
    4th Grade: SS
  •   Study   Slideshow
  • semicircular vertical lines from the North Pole to the South Pole.
    Meridians
  •  15
  • Meridian 0º
    Greenwich
  •  15
  • are circular horizontal lines around the Earth
    Parallels
  •  15
  • parallel 0º
    Equator
  •  15
  • The movement of the Earth around the Sun.
    revolution
  •  15
  • the Earth takes 365 days to pass around the Sun
    orbit
  •  15
  • an imaginary line that goes through Earth
    axis
  •  15
  • the movement of the Earth on its own axis
    rotation
  •  15
  • it takes this long to make a comlete rotation
    24 hours
  •  15
  • on the 21 June summer begins in the:
    Northern Hemisphere
  •  15
  • On 21 March atumn begins in the
    Southern Hemisphere
  •  15
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