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Ch2 lessons 1-2
| Term | Definition |
|---|---|
| salinity | the total amount of dissolved salts in a water sample |
| sonar | a system that uses reflected sound waves to locate and determine the distance to objects under water |
| seamount | a steep sided volcanic mountain rising from the deep-ocean floor |
| trench | a deep, steep sided canyon in the ocean floor |
| continental shelf | A gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent |
| abyssal plain | a smooth nearly flat region of the deep ocean floor |
| mid-ocean ridge | an under sea mountain chain where new ocean floor is produced; a divergent plate boundary under the ocean |
| wave | a movement of energy through the water |
| wavelength | the distance between tow corresponding parts of a wave such as the distance between tow crests |
| frequency | the number of complete waves that pass a given point in a certain amount of time |
| wave height | the vertical distance from the crest of a wave to the through |
| tsunami | a giant wave usually caused by an earthquake beneath the ocean floor |
| long shore drift | the movement of water and sediment down a beach caused by waves coming in to shore at an angle |
| rip current | a strong, narrow current that flows briefly from the shore back towards the ocean through a narrow opening |
| groin | a wall made of rocks or concrete that is built outward from a beach to reduce erosion |
| continental slope | a steep incline of the ocean floor leading down from the edge of the continental shelf |
Created by:
mwienclaw002
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