Across
- 4. - A deep inlet of the sea almost surrounded by land
- 5. - The tidal mouth of a large river where the tide meets the stream
- 12. - A piece of land surrounded entirely by water
- 15. - A steep fall of water from a height
- 16. - A heavy metal device used to moor a ship to the sea floor
- 17. - A giant sea wave caused by an earthquake
- 20. - Landform created by deposition of sediment at a river mouth
- 21. - The sea separating Europe from Africa
- 22. - A small and narrow river
- 25. - A long, narrow, and deep depression in the ocean floor
- 26. - The bottom of the ocean or sea
- 28. SEA - An inland sea located between Eastern Europe and Western Asia
Down
- 1. - A river or stream flowing into a larger river
- 2. - A rapidly rotating mass of water
- 3. - The largest river by water volume in the world
- 6. - A narrow passage of water connecting two seas
- 7. - Marine invertebrates that build colorful reefs
- 8. - The longest river in the world
- 9. - The place where a river enters the sea
- 10. - Europe's second longest river passing through 10 countries
- 11. - A large body of water surrounded by land
- 13. - The land along or near a sea or ocean
- 14. - A massive piece of ice floating in open water
- 18. - The ocean surrounding the North Pole
- 19. - A long body of water curling into an arched form
- 23. SEA - The seawater inlet of the Indian Ocean between Africa and Asia
- 24. - The largest body of salt water on Earth
- 25. - The alternate rising and falling of the sea
- 27. SEA - The salt lake bordered by Jordan and Israel
- 28. - The land alongside a body of water or river