Across
- 4. Low land between mountains.
- 8. The star that lights up the Earth.
- 10. An animal that lives in water.
- 11. A large stream of flowing water.
- 12. A piece of land surrounded by water.
- 14. A hot place with lots of sand.
- 15. A mountain that erupts with lava.
- 17. A large area filled with trees.
- 20. A small raised area of land.
- 21. A hard piece of Earth's surface.
- 22. Air that moves around you.
- 24. Green plants that cover the ground.
- 27. A huge body of saltwater.
- 28. A colorful arc in the sky after rain.
- 29. Sandy land near the ocean.
Down
- 1. A fluffy white shape in the sky.
- 2. A green part of a plant or tree.
- 3. A tall rocky landform.
- 5. A small flowing body of water.
- 6. A creature with feathers and wings.
- 7. A small, leafy plant.
- 9. A hollow space in the ground or mountainside.
- 13. A natural satellite in the night sky.
- 16. A body of water surrounded by land.
- 17. A colorful plant that blooms.
- 18. Water that falls from clouds.
- 19. A tall plant with branches and leaves.
- 23. Tiny points of light in the sky.
- 25. Frozen water that falls in winter.
- 26. A small smooth stone.
