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WatA 2.1

Exploring the Ocean

TermDefinition
mass The amount of matter in an object.
density The ratio of the mass of a substance to its volume (mass divided by volume).
buoyancy The force that causes less dense objects to float.
salinity The total amount of dissolved salts in a water sample.
sonar A system that uses 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 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.
Created by: mgershen
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