Shared Flashcard Set

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Ocean Zones
N/A
19
Other
8th Grade
05/20/2013

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Cards

Term
Wavelength
Definition
The distance from crest to crest
Term
Frequency
Definition
Number of wavelengths that pass a certain point in a time period #/sec
Term
Wave Height
Definition
From crest to trough
Term
Breaker
Definition
Name given to the white-capped waves that crash on shore
Term
Tsunami
Definition
Kind of ocean wave caused by earthquake on the ocean floor
Term
Rip Current
Definition
A rush of water that flows rapidly through a hole in a sandbar
Term
Groin
Definition
A wall of rock or concrete built out from shore causing sand to pile against the groin instead of along shore
Term
Longshore Drift
Definition
Movement of water along the beach. Sand gets deposited on a sandbar
Term
Sonar
Definition
Uses sound waves and the ship measures how fast the waves return
Term
Abyssal Plain
Definition
smooth, flat ocean floor
Term
Trench
Definition
steep-sided canyon
Term
Sea Floor Spreading
Definition
the process in which the ocean floor is extended when two plates move apart.
Term
Plankton
Definition
tiny algae and animals that move with the tides and currents
Term
Nekton
Definition
free swimming animals that move through the water column. Octopus, fish, and mammals are examples
Term
Benthos
Definition
organisms that inhabit the ocean floor
Term
Aquaculture
Definition
Farming of salt and freshwater organisms
Term
Neritic
Definition
The part of the ocean that extends from low tide line out to the edge of the continental shelf
Term
Salinity
Definition
Total amount of dissolved salts in water
Term
Submersible
Definition
vehicle designed to withstand pressure in order to study the ocean floor
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