Earth's Movement & Rotation

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Across
  1. 2. An imaginary line the Earth rotates on.
  2. 4. Another way of saying 365 days
  3. 6. An imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres.
  4. 8. What can you call 28-31 days?
  5. 9. The curved path of a celestial object revolving around a star, moon, or planet.
  6. 10. The sun sets in the...
  7. 11. What do all the planets orbit around in this solar system?
Down
  1. 1. 24 hours in a simplified version of saying it.
  2. 3. Spring, Summer, Autumn and Winter are all... (???????)
  3. 5. Third planet from the sun.
  4. 6. The sun rises in the...
  5. 7. A rock orbiting around the earth.
  6. 10. 7 days refers to what?