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8 Science, Chapter 2

QuestionAnswer
Coriolis Effect How the earth's spin affects ocean currents
Density currents Currents created by the difference in salinity or temperature of two water masses
Ocean current A large amount of ocean water that moves in an unchanging direction
Thermocline Layer of ocean water where the temperature drops rapidly (between 200 - 1000 meters down)
Upwelling The vertical movement of water
bay Areas along a shoreline that are more easily eroded
breaker A wave that collapses on the way to shore
crest The highest part of a wave
headland Areas that stretch around a bay
neap tide The smallest tides
spring tide The biggest tides
swell Smooth waves on a calm day
tidal range The difference in level between a high tide and a low tide
tide The slow rise and fall of the ocean
trough The lowest part of a wave
tsunami A giant wave, usually caused by earthquakes
wavelength The distance from one wave crest to another
tide pool A pool of water left on shore during low tide
intertidal zone The zone of beach exposed during low tide - a challenging place to live
overturn Convection currents that help redistribute nutrients and oxygen in lakes and ponds
gyre Any large system of rotating ocean currents
weather Short-term
climate Long-term trends of weather based on statistical analysis.
heat capacity The amount of heat required to raise the temperature of an object or substance one degree
prevailing winds Air convection currents
Longshore Drift The movement of beach material along a shore
Continental Shelf A gently sloping
Continental Slope a steep incline of the ocean floor leading down from the edge of the continental shelf
Continental Margin the shelf and slope together - a boundary between continental crust and oceanic crust
Abyssal Plain a smooth
Created by: g8
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