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Science Week 26

Waves, Currents, and Tides

QuestionAnswer
Tides are caused by the __________________________________. moon’s gravitational pull on the Earth.
Tides are the regular rise and fall of ocean water.
Tides rise and fall about . twice a day
A breaker is where the top of the wave curls over.
The ______________ is the lowest part of a wave. through
The _______________ is the highest point of a wave. crest
________________ are flowing streams of water that move continually through the ocean in a specific direction. Currents
________________________ is caused by the movement of the earth and by the force and direction of the wind. Surface current
__________________________ are naturally occurring and functions to protect the mainland from the effects of waves on shore. Barrier Islands
______________ are water- filled spaces between barrier islands. Inlets
________________are shorelines made of sand. Beaches
____________________ is the number of waves that pass somewhere in a second. If the wavelength of a wave is increased the frequency will decrease. Frequency
Created by: rowlandm4