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33 Cards in this Set
- Front
- Back
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Earth Science
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the study of the non-living parts of the world
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Oceanography
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the study of the ocean
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Meteorology
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the study of the atmosphere (mostly weather and climate)
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Astronomy
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the study of the universe
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Geology
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the study of Earth
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Density
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the amount of mass in a given volume of air
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Air Pressure
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the result of the weight of a column of air pushing on an area
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Barometer
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an instrument that is used to measure air pressure
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Mercury Barometer
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consists of a long glass tube that is closed at one end and open at the other
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Altitude
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it is the distance above sea level
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Weather
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the condition of Earth's atmosphere at a particular time and place
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Atmosphere
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the envelope of gases that surrounds the Earth
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Aneroid Barometer
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an instrument that measures changes in air pressure without using a liquid
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Water Vapor
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water in form of a gas
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Salinity
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the total amount of disolved amount of salt in a sample of water
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Sonar
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the major advance of sea mapping
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Seamount
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a volcanic mountain rising from the ocean floor that doesn't reach the surface
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Trench
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a long deep valley on the ocean floor through which old ocean floor sinks back toward the mantle
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Continental Slope
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at 130 meters down the slope of the ocean floor gets steeper
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Mid Ocean Ridges
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Are long chains of mountains on the oceans floors
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Abyssal Plain
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broad area covered with thick layers of mud and slit
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Continental Slope
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is a gently sloping, shallow area that extends outward from the edge of each continent
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Wave
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the movement of energy through a body of water
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Longshore Drift
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the movement of sand along the beach
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Rip Current
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a rush of water that flows rapidly back to sea through a narrow opening
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Groin
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one way to reduce beach erosions is to build a wall of rocks or concrete
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Intertidal Zone
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an area between the highest high-tide line on land and the point on the continental shelf exposed by the lowest low-tide line
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Neritic Zone
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the area of the ocean that extends from the low-tide line out to the edge of the continental shelf
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Open-Ocean Zone
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the deepest, darkest area of the ocean beyond the edge of the continental shelf
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Plankton
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tiny algae and animals that float in water and are carried by waves and currents
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Nekton
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free-swimming animals that can move throughout the water column
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Benthos
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Organisms that live on the bottom of the ocean or another body of water
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Food Web
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the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem
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