| A | B |
|---|
| Water that has been used for flushing or washing | Wastewater |
| The process of taking salinity out of ocean water | Desalination |
| A method for detecting and locating objects submerged in water by echolocation | Sonar |
| A submarine mountain rising several hundred fathoms above sea floor, but is still underwater | Sea Mount |
| A steep slpoe seperating a continental shelf and a deep ocean basin | Continental Slope |
| The part of a continent that is submerged in relatively shallow sea | Continental Shelf |
| The top of something | Crest |
| The exact distance between two waves | Wavelength |
| Exact height of a wave | Waveheight |
| A vast body of ice floating in the ocean | Iceberg |
| An immense mass of iceformed in valleys above the snow-line, and having a slow movement downwards | Glacier |
| A geological formation containing or conducting ground water | Aquifer |
| Water beneath the surface of the Earth | Ground water |
| The planar, underground surface beneath which Earth materials, as soil or rock, are saturated with water | Watertable |
| A large area of extremely flat or gentely sloping ocean floor | Abyssal Plain |
| The amount of salt and other solids in ocean water | Salinity |
| The compactedness of an object | Density |
| Water constantly flowing in a certain direction | Current |
| The rising and falling of the sea | Tide |
| The high tide that happens every at every new and full moon | Spring Tide |
