unit 2 the solar system
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Unit 2 The Solar System. Vocabulary Review. the force of attraction between objects that is due to their masses. gravity. THE PATH THAT A BODY FOLLOWS AS IT TRAVELS AROUND ANOTHER BODY IN SPACE. orbit. - PowerPoint PPT PresentationTRANSCRIPT
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Unit 2 Oceanography
Lesson 1 Earth’s Ocean and the Ocean FloorLesson 2 Ocean WavesLesson 3 Ocean Currents
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a movement of ocean water that follows a regular pattern
ocean current
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the distance from any point on a wave to the corresponding point on
the next wave
wavelength
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a measure of the amount of dissolved salts in a given amount of liquid
salinity
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a giant ocean wave that forms after a volcanic eruption, submarine earthquake, or landslide
tsunami
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the movement of deep, cold, and nutrient rich water to the surface
upwelling
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a layer in a body of water in which water temperature drops with increased depth
faster than it does in other layers
thermocline
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a wave that requires a medium through which to travel
mechanical wave
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any movement of matter that results from differences in density; may be vertical, circular,
or cyclical
convention current
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the shallow sea floor that is located between the shore-line and the deep ocean bottom; it is divided into the continental
shelf, the continental slope, and the continental rise
continental margin
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a horizontal movement of water that is caused by wind and that occurs at or near the ocean’s surface
surface current
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the highest point of a wave
crest
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the ocean floor under the deep-ocean water
deep-ocean basin
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time required for corresponding points on consecutive points on consecutive waves to pass a given point
wave period
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a long under-sea mountain chain that forms along the floor of the
major oceans
mid-ocean ridge
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a disturbance that transfers energy from one place to another; a wave can be a
single cycle or it can be a repeating pattern
wave
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the lowest point of a wave
trough
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the curving of the path of a moving object from an otherwise straight path due to Earth’s rotation
Coriolis Effect
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a long, narrow, and deep depression on the ocean floor that forms when one tectonic plate subducts
beneath another plate; trenches run parallel to volcanic island chains or to the coastlines of
continents; also called a trench or a deep ocean trench
ocean trench
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a stream-like movement of water far below the surface
deep current
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a disturbance on the ocean that transmits energy and takes the shape of a swell or a ridge
ocean wave