Sentences | Most Important Word |
The ________ is the lowest part of a wave. | Trough |
____ causes the waves that roll onto a beach. | Waves |
Three factors affect the size of surface waves - ___ ___, ___, and ____. | Wind speed; time; distance |
The motion of a water particle in a wave is _____. | Circular |
At a certain depth, called the ____ ____, wave motion stops. | Wave base |
As a wave moves into _______ shallow water, it changes shape and size. | Shallow |
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 |
Unlike a common wind-driven wave, the water from a tsunami just keeps _______. | Coming |
_______ is the average level of the ocean's surface at any given time. | Sea level |
_____ are the periodic rise and fall of the ocean's surface caused by the gravitational force between Earth and the Moon, and between Earth and the Sun. | Tides |
The gravitational force that causes the largest tides is between the ______ and the Moon. | Earth |
The ________ of continents, the shape and size of ocean basins, and the depth of the oceans affect tides. | Coastlines |
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 |