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sci.quiz1-9-09
Ocean Motion Vocabulary Quiz on 1/9/09
| Word | Meaning |
|---|---|
| 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 |
| waveheight | the vertical distance from the crest of a wave to the trough |
| sandbar | a ridge of sand deposited by waves as they slow down near shore |
| longshore drift | the movement of sand along a beach;caused by waves coming onto shore at an angle |
| 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 |
| tsunami | a giant wave caused by an earthquake on the ocean floor |