Across
- 3. narrow waterway
- 5. freshwater that flows into a larger body of water
- 6. piece of land surrounded by water on 4 sides
- 11. dry ecosystem with little water
- 12. group of islands
- 13. cold ecosystem found near the North and South pole
- 14. number of oceans
- 15. mountain that erupts
Down
- 1. line that divides Earth into North and South
- 2. part of the ocean; surrounded by land on 3 sides
- 4. hot and rainy ecosystem found by the equator
- 7. number of continents
- 8. part of a river where it connects to an ocean
- 9. piece of land with water on 3 sides
- 10. line that divides Earth into East and West