| A | B |
|---|
| salinity | amount of dissolved solids in water |
| water pressure | downward push of water caused by gravity |
| continental shelf | area between the shoreline and the continental slope |
| continental slope | area after the continental shelf that slopes steeply |
| continental rise | sediment that piles up at the end of the continental slope |
| abyssal plains | large, flat areas of the ocean floor |
| wave | up and down movement of surface water |
| crest | high point of a wave |
| trough | low point of a wave |
| wave height | distance from the crest to the trough |
| wave length | distance from the crest of one wave to the crest of the next |
| tsunami | wave made my energy released inside the earth |
| storm surge | pile of water that pushes onto shore in a hurricane |
| El Nino | warm water that changes weather over the Pacific Ocean |
| current | stream of water that flows like a river through the ocean |
| tide | rise and fall of the ocean water |
| spring tide | high tide made when the sun and moon pull on the earth from the same side |
| neap tide | low tide made when the sun and moon pull on the earth from different directions |
| shore | where the land meets the ocean |
| headland | hard rock left behind when soft rock is worn away by the ocean |
| tide pool | temporary pool of ocean water |
| estuary | forms where a river flows into an ocean |
| jetty | wall-like structure that sticks out into the ocean |
| beach restoration | replacing beach sand that was eroded |
| hydrothermal vents | cracks in the ocean floor that release hot water and minerals |
