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Ch 8.2
science
Question | Answer |
---|---|
The highest part of a wave is the _______. | Crest |
The lowest part of the wave is the _______. | Trough |
The vertical distance between a crest and a trough is the ______. | Wave height |
The horizontal distance between two consecutive crests and two consecutive troughs is the _______. | Wave length |
Surface waves are caused by the _____ blowing over water. | Wind |
The size of a surface wave depends on wind speed, the length of ___ the wind blows, and distance. | Time |
The Motion of water particles in a wave is ______. | Circular |
The surface wave becomes a ______ when it collapses near the shore. | Breaker |
A ______ is a wave that forms when an ocean disturbance suddenly moves a large volume of water. | Tsunami |
A tsunami can be caused by an ______, a volcanic eruption, landslides, or breaking glaciers. | Earthquake |
Tsunamis can be quite high because they have a long _____. | Wave lengths |
The average height of the ocean's surface at any given time is called ______. | Sea level |
____ are the periodic rise and fall of sea level caused by gravitational forces that exist among Earth, the Moon, and the Sun. | Tides |
The largest tides are caused by the gravitational attraction between Earth and the ______. | Moon |
The gravitational attraction between Earth and the Moon produces two _____ in the ocean's surface. | Bulges |
The area on Earth where the ocean bulges is experiencing _____ tide. | High |
The two then areas of ocean on opposite sides of Earth are experiencing ____ tides. | Low |
The difference in water level between high tide and low tide is the ______. | Tidal range |
Sea level if often measured as the ______ height of the ocean between high tide and low tide. | Average |
When the Sun, the Moon, and Earth are aligned, _____ occur. | Spring tides |
During Spring tides, high tides _____ than normal, and low tides are _____ than normal. | Higher, Lower |
When the Sun, the Moon, and Earth form a right angle, ______ occur. | Neap tides |
During Neap tides, high tides are _____ than normal, and low tides are ____ than normal. | Lower, Higher |