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