Earth's Postitons

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Across
  1. 2. when day and night are of approximately equal in duration all over the planet
  2. 4. 365.25 days; the time it takes Earth to revolve around the sun
  3. 6. the solstice that marks the onset of winter,shortest day,
  4. 8. 24 hours; caused by the Earth's rotation includes times of darkness and light
  5. 10. the period of darkness in each twenty-four hours; the time from sunset to sunrise
  6. 11. a half of the earth, usually as divided into northern and southern halves by the equator
Down
  1. 1. the solstice that marks the onset of summer,longest day
  2. 2. an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres
  3. 3. the path an object follows as it revolves around another object
  4. 5. imaginary line that extends out of the earth from the North and South pole
  5. 7. to turn like a top;spin,this movement by Earth causes day and night
  6. 9. something that repeats continuously in the same pattern
  7. 12. summer,winter,spring,fall; caused by the Earth's tilt of 23.5 degrees as it revovles
  8. 13. to move around another object, this is caused by Earth's tilt on its axis