Across
- 3. - A sea animal with eight arms.
- 5. - A tube used to breathe while swimming.
- 7. - Animals and plants living in the ocean.
- 8. - To stay on top of the water.
- 12. - Related to the ocean and sea animals.
- 13. - Parts fish use to breathe underwater.
- 15. - A heavy object that keeps a boat still.
- 17. - Something that can hurt you.
- 18. - Ocean water moving in and out.
Down
- 1. - A huge body of salt water.
- 2. - An animal that searches for food.
- 4. - Little circles of air in water.
- 5. - The sound water makes when hit.
- 6. - A soft sea animal with tentacles.
- 7. - A sea animal shaped like a star.
- 9. - A large sea animal with sharp teeth.
- 10. - A rocky home for sea animals.
- 11. - A person who swims underwater.
- 14. - A turtle that lives in the ocean.
- 16. - Water moving in the ocean.