Across
- 2. Imaginary line circling the Earth, dividing it into the Northern and Southern Hemispheres.
- 3. Moon phase when it's a quarter illuminated.
- 7. Opposite of "waxing," when the moon's illumination is decreasing.
- 10. Moon phase that comes after the full moon and is more than half illuminated.
- 12. Moon phase that comes after the first quarter and is more than half illuminated.
- 13. When the moon is fully illuminated and round.
- 14. Season associated with colder weather and shorter days.
- 15. Moon phase that comes after the full moon and is less than half illuminated.
- 16. The Earth's tilt causes seasons as it revolves around the sun, and this is what tilts.
- 17. The half of the Earth located below the equator.
- 18. Season characterized by warmer weather and longer days.
Down
- 1. Moon phase that comes after the new moon and is less than half illuminated.
- 4. Season that follows winter and leads to summer.
- 5. Moon phase when the illuminated portion is increasing.
- 6. Season that marks the transition from summer to winter.
- 8. Moon phase with no visible illumination.
- 9. Moon phase that comes after the new moon and is 50% illuminated.
- 11. The half of the Earth located above the equator.