Across
- 2. U-shaped valley
- 6. warm in snow
- 9. unbalanced forces
- 10. day-to-day atmospheric conditions
- 12. from mama and daddy
- 13. day and night
- 15. shining surface
- 17. moon phases
Down
- 1. thermal energy separates
- 3. adaptation for survival
- 4. water vapor cools
- 5. structures' purpose
- 7. year
- 8. falling leaves
- 11. movement from one medium into another
- 14. blocked sunlight
- 16. lights on