| A | B |
| wave | up-and-down movement of surface water |
| shore | area where the ocean and land meet and interact |
| current | Streamm of water that flows through the ocean |
| tide | the rise and fall in ocean level |
| salinity | saltiness of water |
| tide pool | pool of water found along a rocky shoreline |
| headland | process of hard rock being left after softer rock has eroded |
| water pressure | weight of water pressing on an object |
| jetty | wall of rock that sticks out into the ocean |
| desalination | process of removing salt from sea water |
| scuba | self-contained underwater breathing apparatus |
| sonar | reflected sound waves |
| submersible | small underwater vehicle |
| features of the shore | headland, jetty, tide pool |
| ocean movements | tides & waves |
| resources from oceans | salt, water, seaweed, carrageenin, natural gas, petroleum |
| technology used for exploration | submersabile, sonar, scuba, satellites |
| ocean floor | continental shelf, abyssal plain, mid-atlantic ridge |
| wave type | rogue waves, storm surges, hurricane winds |
| four large oceans | pacific, atlantic, indian, artic |
| water pressure | the weight of the water pressing on an object-increases by one atmosphere |
| continental shelf | a shoallow area extends into the ocean |
| salty oceans? | due to minerals disolved in the water |
| main mineral in ocean water | sodium chloride-ordinary table salt |
| tsunamis | waves caused by earthwuakes and volcanoes |
| rogue wave | huge wave, formed when large storm waves join together |
| storm surges | large domes of water |
| ocean currents | caused by wind and differences in water temperature |
| Challenger study | science of oceanography |