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Oceans

QuestionAnswer
salintiy The amount of dissolved salts in a water sample
sonar A system that uses reflected sound waves to locate and determine the distance to objects underwater
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 outward from the edge of a continent
abyssal plain A smooth, nearly flat region of the deep ocean floor
mid-ocean ridge An undersea mountain chain where new ocean floor is produced; a divergent plate boundary under the ocean
wave The movement of energy through the body of water
wavelength the distance between two corresponding parts of a wave such as the distance between two 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 from the crest of a wave to the trough
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 toward the ocean through the narrow opening
groin A wall made of rocks or concrete that is built outward from the beach to reduce erosion
current a large stream of moving water that flows through the oceans
Coriolis effect the effect of earth's rotation on the direction of winds and currents
El nino an abnormal climate event that occurs every two to seven years in the Pacific ocean, causing changes in the winds currents and weather patterns for one to two years
climate the average annual conditions of temperature precipitation winds clouds in an area
La nina A climate event in the eastern Pacific ocean in which surface waters are colder than normal
Created by: user-1975085
 

 



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