Across
- 2. Solstice The day that starts summer, or when the N axis is pointed the most toward the Sun
- 4. The path an object follows as it moves around another object
- 6. 49-1% of the illuminated portion of the Moon is visible
- 7. Eclipse When the Moon’s shadow appears on Earth’s surface.
- 12. The lit part of the Moon or a planet that can be seen from Earth
- 13. Moon 100% of the illuminated portion of the Moon is visible
- 14. The central, darker part of the shadow where light is totally blocked
- 15. Axis The line or center on which an object rotates
- 17. Phase More of the Moon’s near side is lit, growing larger
- 18. 51-99% of the illuminated portion of the Moon is visible
- 19. Eclipse Occurs when the Moon moves into Earth’s shadow
- 20. The motion of one object around another object
Down
- 1. Solstice The day that starts winter, or when the N axis is pointed the most away from the Sun
- 3. Equinox the equinox that starts "Spring"
- 5. The lighter part of a shadow where light is partially blocked
- 7. Equinox the equinox that starts "Fall"
- 8. A spinning motion around an axis or center
- 9. A day when Earth’s rotation axis is the most toward or away from the Sun, with direct sunlight on either the Tropic of Cancer or the Tropic of Capricorn
- 10. Phase Less of the Moon’s near side is lit, getting smaller
- 11. A day when Earth’s rotation axis is leaning along Earth’s orbit, neither toward nor away from the Sun, with direct sunlight on the equator
- 13. Quarter 50% of the illuminated portion of the Moon is visible (right side)
- 16. Quarter 50% of the illuminated portion of the Moon is visible (left side)
- 21. Moon 0% of the illuminated portion of the Moon is visible
