Across
- 7. first or third quarter moon phases
- 9. the change of seasons
- 12. environmental changes
- 13. volcanic chains that are not located at tectonic plate boundaries
- 14. steep landforms with sharp or rounded peaks
- 15. Topography
Down
- 1. highest or lowest point the sun reaches in the sky
- 2. supercontinent
- 3. astronomical event
- 4. its position relative to the sun and Earth
- 5. causes deep ocean trenches
- 6. its position relative to the sun and Earth
- 8. changes in light and color
- 10. a period of introspection and a feeling of being at a fresh, clean slate
- 11. physical barriers