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chapter 8.2
Oceans Waves and Tides
Question | Answer |
---|---|
Even if you dive below a wave you still feel some of the waves _____. | Energy |
The _____ is the highest part of a wave. | Crest |
Wind caused waves that roll onto a beach are often called _____ ______. | Surface waves |
Three factors effect the size of surface waves _____, _____, and ______. | Wind speed;time;distance |
The motion of water particles in a wave are _____. | Circular |
As depth increases the circular motion _____. | Decreases |
At a certain depth called _____ _____ wave motion stops. | Wave base |
As the base of a wave drags on the seafloor, the wave's speed _____. At the same time, the wavelengths shorten and the waves height _____. | Decreases;increases |
A ______ is a wave that forms when an ocean disturbance suddenly moves a large volume of water. | Tsunami |
As a tsunami approaches shore, it slows down and grows _____. | Higher |
_____ can cause lots of damage. | Tsunami's |
___ ______ is the average level of the ocean's surface at any given time. | Sea Level |
____ are the periodic rise and fall of the oceans surface caused by the gravitational force between the Earth and the Moon, and the Sun. | Tides |
The gravitational force that causes the largest ______ is between the Earth and the Moon. | Tides |
The coastlines of continents, the shape and the size of an oceans basins, and the depth of the oceans affect _____. | Tides |
The difference in water level between a high tide and a low tide is the _______. | Tidal Range |
A _______ has the largest tidal range and occurs when Earth, the Moon, and the Sun form a straight line. | Spring Tide |
A _______ has the lowest tidal range and occurs when Earth,the Moon, and the Sun form a right angle. | Neap Tide |