Earth Moon and sun
Across
- 5. the line on which an object rotates
- 7. occurs at a first quarter and at a third quarter
- 8. the bright streaks on the moon's surface
- 9. the portion of the moon or a planet reflecting light as seen from the earth
- 10. the spin of an object around its axis
- 12. when earth's rotation axis is tilted directly toward or away from the sun
- 13. all you see is the part that is not lit on the moon
- 16. large dark flat areas on the moon
- 18. phases of the moon during which less of the moon's near side is lit each night
- 19. the path an object follows as it moves around another object
- 20. the central, darker part of a shadow where the light is totally blocked
- 21. an occurrence during witch the moon moves into earth's shadow
- 22. all the left half is shown
- 23. occurs at a full moon and new moon
Down
- 1. when Earth's rotation axis neither toward nor away from the sun
- 2. holes in the moon where things have hit the moon
- 3. mountains on the moon that have been eroded and were created from thins hitting the moon
- 4. the periodic rise and fall of the ocean's surface caused by the gravitational force between earth and the moon and earth and the sun.
- 6. the lighter part of a shadow where light is partially blocked
- 8. the orbit of one object around another object
- 11. all you see is the completely lit part of the moon
- 14. the right half of the moon is shown
- 15. phases of the moon during which more of the moon's near side is lit each night
- 17. an occurrence during which the moon's shadow appears on the earth's surface