Across
- 4. What is Earth's closest neighbor in space?
- 5. What do we call a very dry, sandy region?
- 7. What is the name for a flat, raised area of land?
- 9. What is the largest ocean on Earth?
- 13. What is the hottest continent?
- 14. What is frozen water called?
Down
- 1. What is the bottom layer of the ocean called?
- 2. What do we call moving air?
- 3. What do we call a very tall landform?
- 6. What do we call a deep valley in the ocean?
- 8. What is Earth's largest continent?
- 9. What is a large area of flat grassland called?
- 10. What covers most of Earth's surface?
- 11. What is falling water from clouds called?
- 12. What do plants need to grow besides water and sunlight?