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Tides
Currents
Waves
Vocabulary
Miscellaneous
100
This is the greatest influence in causing tides.
What is the moon?
100
These cause the greatest number of drownings.
What is a rip current?
100
This is most closely related to wave speed.
What is wave period?
100
Cold water rising to the surface.
What is an upwelling?
100
This is the alternating rise and fall of local sea levels.
What is a tide?
200
This is the number of tides that most coasts experience in 24 hours.
What is two low and two high tides?
200
This is a major warm current located in the West Atlantic Ocean.
What is Gulf Stream?
200
The horizontal distance from the crest of one wave to the crest of the next wave.
What is a wavelength?
200
A spit with a sharp bend.
What is a hook?
200
A mass of rock that has been cut off from the mainland by erosion.
What is a stack?
300
Twice a month lower-than-normal tides, called this, occur.
What is neap tide?
300
This has the least effect on subsurface currents.
What is prevailing winds?
300
The lowest part of a wave.
What is the trough?
300
This combines the effects of Coriolis effect, current speed, and water depth to produce the direction of a current.
What is the Ekman spiral?
300
The deepest depth below the ocean's surface that is affected by a wave's passage.
What is the wave base?
400
The very high tides that occur twice a month are caused by this.
What is the sun, moon, and earth being aligned?
400
A circular flow of currents within an ocean basin.
What is a gyre?
400
A wave deposit that connects an island or a stack to the mainland.
What is tombolo?
400
The distance the wind blows over the surface of the waterin one direction.
What is the fetch of a wave?
400
These animals take advantage of ocean currents to move about.
What is European eels, plankton, and humpback whales?
500
Higher-than-usual tide occurring twice a month.
What is a spring tide?
500
When you sail around the globe but wanted to remain south of Africa and South America, you would use this current to speed up your trip?
What is the Antarctic Circumpolar Current?
500
An unstable wave whose crest is falling forward.
What is a breaker?
500
A type of density current that carries a great amount of sediment and acts like an underwater mudslide.
What is a turbidity current?
500
A strong, narrow surface current that carries water from the shore to the sea.
What is a rip current?