Earth's Orbit & Rotation

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Across
  1. 8. stars shift
  2. 10. heavy weight hanging from a long wire
  3. 11. 24 different zones.
  4. 12. "sun""Center"
Down
  1. 1. ancient tool using a shadow
  2. 2. big dipper
  3. 3. moves in a circle around sun
  4. 4. "Earth""Center"
  5. 5. 8 planets, a sun, and moon
  6. 6. dark shape when object blocks light
  7. 7. action of earth turning or spinning
  8. 9. additional day