Across
- 2. flat part of ocean
- 5. the make up of a substance
- 8. When the tide is higher than usual.
- 10. a current on the surface of the water
- 11. the amount of salt in water
- 13. when the tide is at it lowest point
- 17. a underwater mountain range
- 18. the rise and fall of water caused by the moon
- 19. the process of moving broken down rock.
- 20. underwater volcano
Down
- 1. the edge of the continent in an ocean.
- 3. the compactness of a substance
- 4. this directs the movement of currents
- 6. what forms when plates spread apart with no magma coming through
- 7. a crack or valley in the middle of the ocean
- 9. the blank is the first part of the continent ending
- 12. currents deep in the ocean
- 14. the dropping off of broken down sediments
- 15. a movement of energy moves water
- 16. The range of high and low tides