| A | B |
| wave | The movement of energy through a body of water. |
| crest | The highest point of a wave. |
| wavelength | The horizontal distance between two wave crests. |
| frequency | The number of waves that pass a specific point in a given amount of time. |
| trough | The lowest point of a wave. |
| wave height | The vertical distance from the crest of a wave to the trough. |
| Longshore Drift | The movement of water and sediment along a beach caused by waves coming into shore at an angle. |
| sandbar | A ridge of sand deposited by waves as they slow down near shore. |
| rip current | A rush of water that flows rapidly back to sea through a narrow opening. |
| groin | A stone or concrete wall built out from a beach to reduce erosion. |
| salinity | The amount of dissolved salts in a water sample. |
| current | A large stream of moving water that flows through the ocean. |
| Coriolis effect | The way Earth's rotation makes winds in the Northern Hemisphere curve to the right and winds in the Southern Hemisphere cure to the left. |
| climate | The average, year-after-year conditions of temperature, precipitation, winds and clouds in an area. |
| upwelling | An upward flow of cold water from the ocean depths. |