1							2
3		4				5
6												7
8
									9

Across 5. Amount of dissolved salt in the ocean 6. Outer edge of the continental shelf 8. Flat bottom of the ocean 9. Long, narrow valleys cut into the seafloor

Down 1. Deep valley in center of mid-ocean ridges 2. Outermost edge of a continent 3. Chains of mountains that run down the center of the ocean 4. Ability to rise when submerged 7. Instrument that uses waves to find things underwater