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chapter 2
| Question | Answer |
|---|---|
| salinity | the total amount of dissolved salts in a water sample |
| sonar | a system that users 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 slope | a steep incline of the ocean floor leading down from the edge of the continental shelf |
| continental shelf | a gently sloping shallow area of the ocean floor that extends out ward from outward from the edge of a continental |
| abyssal plain | a smooth nearly flat region of the deep ocean floor |
| mid ocean ridge | an undersea mountian chain where new ocean floor I produce |
| wave | a disturbance that transfers energy from place to place |
| wavelength | the distance between two corresponding parts of a wave |
| 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 trought |
| tsunami | a giant wave usually caused by an earthquake beneath the ocean floor |
| longshore drift | the movement of water and sediment down a beach caused by waves coming in to the shore at a angle |
| rip current | a strong narrow current that flows briefly from the shore back toward the ocean through a narrow opening |
| groin | a wall made of rocks or concrete that is built outward from a beach |
| current | a large stream of moving water that flows through the ocean |
| coriolis effect | the effect of Earth's rotation on the direction of winds |
| climate | the average annual conditions of temperature precipitation winds clouds in a area |
| EL Nino | an abnormal climate event that occurs every two to seven years in the Pacific ocean causing changes In winds currents and weather patterns |
| La NIna | a climate event in the eastern Pacific ocean In which surface waters are colder than normal |
| intertidal zone | an area between the highest high-tide line on land and the point on the continental shelf |
| neritic zone | the area of the ocean that extends from the low-tide line out to the edge of the continental shelf |
| open-ocean zone | the deepest darkest area of the ocean |
| planton | tiny algae and animals that float in water and are carried by waves |
| neckton | free swimming animals that can move through the water column |
| benthos | organismams that's live on the bottomed of the ocean floor |
| food web | the pattern of overlapping feeding relationships or food chains among the various oraginisams |
Created by:
mgadwood002