Across
- 2. the lighter outermost part of a shaddow
- 3. when earth casts a shadow on the moon or the moon casts a shadow on earth
- 6. curved shape with two pointed ends
- 10. the darker innermost part of a shadow
- 12. Earth does this once every 24 hours
- 13. Earth's rotation causes this
- 14. having to do with the sun
- 16. something that orbits a planet
- 17. Earth divided into two halves
- 18. slowly growing larger
Down
- 1. irregularly rounded shape
- 4. occurring in cycles that are repeated
- 5. how long it takes Earth to complete one revolution around the sun
- 7. heat and light from the sun
- 8. an imaginary line on which something rotates
- 9. having to do with the moon
- 11. another word for orbit
- 15. slowly getting smaller