Across
- 4. Small lit sliver shrinking
- 5. A sliver of the Moon growing larger
- 7. Day when day and night are nearly equal
- 8. More than half lit, still growing
- 11. Entire face of the Moon is lit
- 12. Earth’s 23.5° tilt that creates seasons
- 13. Phase when the Moon is not visible from Earth
- 15. When the Sun, Earth, and Moon line up
- 16. More than half lit, but shrinking
- 17. Half-lit Moon, light on the right
- 18. What happens at an equinox
- 19. Longest day of the year
Down
- 1. First day of fall
- 2. First day of spring
- 3. Shortest day of the year
- 6. Half-lit Moon, light on the left
- 9. Day when the Sun reaches its highest or lowest point
- 10. Nighttime length during an equinox
- 14. About 29.5 days of Moon phases
