Across
- 1. - Small, flowing body of water.
- 5. - Path or track through a natural environment.
- 7. - Exotic flower with vibrant colors.
- 9. - The time when the sun first appears in the morning.
- 11. - Large flowing body of water.
- 15. - The time when the sun disappears below the horizon in the evening.
- 16. - Deep, narrow valley with steep sides.
- 18. - The natural world and its phenomena.
- 21. - Steep descent of water from a height.
- 22. - Small, non-vascular plant that forms a soft carpet.
- 23. - Spring flower with yellow or white petals.
- 25. - Leafy green plant that reproduces via spores.
- 26. - Reproductive structure of a pine tree.
- 28. - Tall, woody perennial plant.
- 29. - Atmosphere above the Earth's surface.
Down
- 2. - Wetland area with grasses and shallow water.
- 3. - Animals and plants living in their natural habitat.
- 4. - Small, shallow stream of water.
- 6. - Outdoor activity of walking in natural environments.
- 8. - Protective outer covering of a tree trunk.
- 10. - Hard protective outer layer of marine mollusks.
- 12. - Low-lying area between hills or mountains.
- 13. - Small body of still water.
- 14. - High, elevated landform with steep sides.
- 17. - Public area of land set aside for recreational use.
- 19. - Nut of an oak tree.
- 20. - Large body of water surrounded by land.
- 23. - Landform at the mouth of a river.
- 24. - Large area covered with trees.
- 27. - Climbing evergreen plant with clinging tendrils.