Across
- 2. - using sound to find the location of objects and structures.
- 4. chloride - table salt, NaCl
- 6. - a mountain under the water.
- 7. - a liquid turning into a gas.
- 8. - how much salt is in a solution
- 10. - a zone between deep sea and shallow water in the ocean.
- 12. zone - a zone of moderate temperature on earth, not too cold or hot.
- 13. plain - a low flat area under the water.
Down
- 1. slope - the sharp decline in the surface of the ocean.
- 3. - a gas turning into a liquid
- 5. - a manmade machine that circles the earth and can send signals to different places.
- 9. cycle - precipitation, evaporation, and condensation.
- 11. - water falling from clouds.