Across
- 6. a coastal area that stay above water at low tide and goes under water at high tide
- 10. to teach someone a skill
- 12. to stop something from continuing
- 13. lacking a formal plan
- 15. the act of damaging something badly
- 16. an animal that dose not have a backbone
- 18. to stop an ongoing activity
Down
- 1. unable to pay debts
- 2. the amount of salt in water
- 3. a area that salt water and fresh water meets together
- 4. the number that you divide by in a math problem
- 5. to block the way of something
- 7. tearing a part of something
- 8. to build something
- 9. the answer to a multiplication problem
- 11. using sound waves to identify objects
- 14. a series of big ocean wave
- 17. something that explodes