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Ocean Motions Vocabulary
vocabulary for the Ocean Motions unit in Science
16
Science
6th Grade
02/23/2011

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Cards

Term

Wave

 

 

 

Definition

BD: The movement of energy through a body of water.

MD: Pulses of energy.

Term
Wavelength
Definition

BD: The horizontal distance between two wave crests.

MD: The sides way distance between wave crests.

Term
Frequency
Definition

BD: The number of waves that pass a specific point in a given amount of time.

MD: The number of waves that pass a point.

Term
Crest
Definition

BD: The top of a wave.

MD: The top of a wave.

Term
Tsunami
Definition

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

MD: A wave caused by an earthquake.

Term
Trough
Definition

BD: low part of wave or signal: the low or negative half of the amplitude in the cycle of a periodic wave or alternating signal.

MD: The lower part of a wave.

Term
Spring Tide
Definition

BD: A tide with the greatest difference between high and low tide that occurs when the sun and the moon are aligned with Earth at the new moon and the full moon.

MD: A tide that occurs when the Sun is aligned with the Earth and the moon.

Term
Neap Tide
Definition

BD: A tide with the least difference between low and high tide that occurs when the sun and moon pull at right angles to each other at the first and third quarters of the moon.

MD: A tide that that occurs when the sun and moon pull at right angles.

Term
Salinity
Definition

BD: The total amount of dissolved salts in a water sample.

MD: The amount of salts in a water sample.

Term
Submersible
Definition

BD: An underwater vehicle built of strong materials to resist pressure.

MD: A vehicle that is used underwater.

Term
Tidal Bulge
Definition

BD: The distortion of a planet, satellite, or star caused by the gravitational attraction of other bodies on it.

MD: The distortion of a planet.

Term

Coriolis Effect

Definition

BD: The effect of Earth’s rotation on the direction of winds and currents.

MD: Earth's rotation on the direction of wind and currents.

Term
Wave Height
Definition

BD: The vertical distance from the crest of a wave to the trough.

MD: The up and down distance from the top of a wave.

 

Term
El Nino
Definition

BD: 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.

MD: A wierd climate evevt that occurs in the Pacific Ocean.

Term
Upwelling
Definition

BD: The movement of cold water upward from the deep ocean that is caused by wind.

MD: The movement of cold water cause by wind.

Term
Rip Current
Definition

BD: A rush of water that flows rapidly back to sea through a narrow opening in a sandbar.

MD: A rush of water that goes thourgh a sandbar.

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