Across
- 5. A giant wave caused by an earthquake on the ocean floor
- 6. An area of sand sloping down to the water of a sea or lake
- 7. The degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
- 9. Organisms (plants and animals) that live at or near the bottom of a sea
- 11. of or pertaining to the greatest ocean depths, below approximately 20,000 ft.
- 12. A measure of the amount of dissolved salts and other solids in a given amount of liquid
- 14. Mass divided by volume
- 15. Shallow body of water or lake near a sea; lake separated from a sea by sandbars or coral reefs
- 17. the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales
- 18. Benthic environment between 4000 m and 6000 m depth
Down
- 1. Water that moves in a certain direction; the river like flow of water in the oceans
- 2. A huge, underwater volcanic mountain that may emerge from the ocean surface as an island
- 3. A narrow ledge or shelf typically at the top or bottom of a slope
- 4. The shallow zone of the ocean where land meets water, which is alternately covered or exposed by the tied
- 8. the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
- 9. Pertaining to ocean depths between approximately 1,000 and 4,000 meters.
- 10. A ridge of sand that connects an island to the mainland or to another island
- 13. A measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
- 16. A large, flat-topped seamount resulting from erosion of an island volcano when it was above sea level.
- 18. An island consisting of a circular coral reef surrounding a lagoon
- 19. A narrow strip of land that juts out into the sea