The total amount of dissolved salts in a water sample.

A system that uses reflected sound waves to locate and determine the distance to objects under water.

A steep-sided volcanic mountain rising from the deep-ocean floor.

A deep, steep-sided canyon in the ocean floor.

A steep incline of the ocean floor leading down from the edge of the continent shelf.

A gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent.

A smooth, nearly flat region of the deep ocean floor.

An undersea mountain chain where new ocean floor is produced; a divergent plate boundary under the ocean.

A disturbance that transfers energy from place to place.

The distance between two corresponding parts of a wave, such as the distance between two crests.

The number of complete waves that pass a given point in a certain amount of time.

The vertical distance from the crest of a wave to the through.

The movement of water and sediment down a beach caused by waves coming in to shore at an angle.

A strong, narrow current that flows briefly from the shore back toward the ocean through a narrow opening.

A wall made of rocks or concrete that is built outward from a beach to reduce erosion.

A large stream of moving water that flows through the oceans.

The effect of Earth's rotation on the direction of winds and currents.

The average annual conditions of temperature, precipitations, winds, and clouds in an area.

An abnormal climate event that occurs every two to seven years in the Pacific Ocean, causing changes in winds, currents, and weather patterns for one to two years.

A climate event in the eastern Pacific Ocean in which surface waters are colder than normal.

An area between the highest high-tide line on land and the point on the continental shelf exposed by the lowest low-tide line.

The area of the ocean that extends from the low-tide line out to the edge of the continental shelf.

The deepest, darkest area of the ocean beyond the edge of the continental shelf.

Tiny algae and animals that float in water and are carried by waves and currents.

Free-swimming animals that can move throughout the water column.

Organisms that live on the bottom of the ocean or another body of water.

The pattern of overlapping feeding relationships of food chains among the various organisms in an ecosystem.

A giant wave usually caused by an earthquake beneath the ocean floor.

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Chapter 2 Oceans

Term	Definition
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 continent 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.
wave	A disturbance that transfers energy from place to place.
wavelength	The distance between two corresponding parts of a wave, such as the distance between two crests.
frequency	The number of complete waves that pass a given point in a certain amount of time.
wave height	The vertical distance from the crest of a wave to the through.
longshore drift	The movement of water and sediment down a beach caused by waves coming in to shore at an angle.
rip current	A strong, narrow current that flows briefly from the shore back toward the ocean through a narrow opening.
groin	A wall made of rocks or concrete that is built outward from a beach to reduce erosion.
current	A large stream of moving water that flows through the oceans.
Coriolis effect	The effect of Earth's rotation on the direction of winds and currents.
climate	The average annual conditions of temperature, precipitations, winds, and clouds in an area.
El Nino	An abnormal climate event that occurs every two to seven years in the Pacific Ocean, causing changes in winds, currents, and weather patterns for one to two years.
La Nina	A climate event in the eastern Pacific Ocean in which surface waters are colder than normal.
intertidal zone	An area between the highest high-tide line on land and the point on the continental shelf exposed by the lowest low-tide line.
neritic zone	The area of the ocean that extends from the low-tide line out to the edge of the continental shelf.
open-ocean zone	The deepest, darkest area of the ocean beyond the edge of the continental shelf.
plankton	Tiny algae and animals that float in water and are carried by waves and currents.
nekton	Free-swimming animals that can move throughout the water column.
benthos	Organisms that live on the bottom of the ocean or another body of water.
food web	The pattern of overlapping feeding relationships of food chains among the various organisms in an ecosystem.
tsumami	A giant wave usually caused by an earthquake beneath the ocean floor.

Created by: abuddana

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