GEOGRAPHY
Across
- 5. - Ring-shaped coral reef or island
- 10. - Large landmass on Earth's surface
- 13. - Deep, narrow valley with steep sides
- 14. - Group of islands
- 16. - Large underground chamber or cave
- 17. - High landform with steep sides
- 18. - Imaginary line around Earth's middle
Down
- 1. - Narrow passage of water connecting two larger bodies of water
- 2. - Body of water partially enclosed by land
- 3. - Slow-moving mass of ice
- 4. - Opening in Earth's crust that erupts lava
- 6. - Large body of salt water
- 7. - Landform surrounded by water on three sides
- 8. - Narrow strip of land connecting two larger land areas
- 9. - Arid region with little precipitation
- 11. - Cold, treeless region with permafrost
- 12. - Flat, elevated landform
- 13. - Point of land extending into a body of water
- 15. - Landform where a river meets a body of water, forming a triangular shape
- 19. - Large natural stream of water