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the study of the physical properties of ocean

Natural Resources

materials from the environment that are used by living things


a process used to separate the salt from seawater for the purpose of reclaiming one or both materials


the total amount of dissolved salts in a sample of water


sound navigation and ranging: uses sound waves to calculate the distance to the ocean floor

Global Positioning System (GPS)

using satellites to find locations on Earth

Global Information System (GIS)

a map-making software that creates maps containing different information about an area

Remote Sensing

the method of gathering information about areas without visiting the area

Satellite Imaging

The use of a satellite to identify and locate sediment and features of the ocean


a large stream of moving water that flows through the oceans


movement of cold water upward from the deep ocean - brings tiny organisms, minerals, and nutrients from the deep layers

Deep Current

a cold, deep current coming from the poles a cold, deep current coming from the poles that moves along the ocean floor to the equator

Continental Shelf

gently sloping, shallow, extends out from the edge of the continent

Continental Slope

steep edge extending from continental shelf, waters deepen

Abyssal Plain

flat region of the sea floor

Mid-ocean Ridge

continuous range of underwater mountains that wind around the Earth


a canyon in the ocean floor, deepest parts of the ocean

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