| A | B |
|---|
| wave | movement of energy through a body of water |
| wavelength | horizontal distance between crests |
| frequency | number of waves that pass a point in a certain amount of time |
| wave height | vertical distance from the crest to the trough |
| tsunami | caused by an earthquake beneath the ocean floor |
| longshore drift | movement of sand along the beach |
| rip current | rush of water that flows rapidly back to sea throuhg a narrow opening |
| groin | method od reducing erosion along a stretch of beach is to build a wall of rocks or concrete |
| tides | daily rise and fall of Earth's waters on its coastline |
| spring tide | produces greatest difference between the heights of high and low tide |
| neap tide | tide with the least difference between low and high tide |
| salinity | total amount of dissolved salts in a sample of water |
| current | large stream of moving water that flows through the oceans |
| Coriolis effect | effect of earth's rotation on the direction of winds and currents |
| climate | pattern of temperature |
