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Science Week 26
Waves, Currents, and Tides
Question | Answer |
---|---|
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 |