vocabulary-ocean waves and tides
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each of the black spaces below before clicking
on it to display the answer.
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| what is the periodic rise and fall of the eaarths oceans surface caused by the gravitational force between earth and the moon and between earth and the sun | tides
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| occurs when earth, the moon and the sun form a right angle and has the lowest tidal range | neap tide
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| surface wave currents are formed by what | wind
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| the average level of the ocean's surface at any given time | sealevel
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| a spring tide is a tide that has the largest what | tidal range
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| a neap tide is a tide that has the lowest what | tidal range
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| the bottom of the wave | trough
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| the highest part of the wave | crest
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| from crest to crest or from trough to trough | wavelength
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| to trough to crest | wave height
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| how shallow does water need to be for a breaker to form | the water has to be more shallow than the base is
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| what is a tsunami | a huge wave caused by a disturbance in the ocean
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| which disturbance can cause a tsunami | earthquakes
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| what causes tides | gravitational pull on the earth, moon, and sun
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| why does the largest tidal range occur during a spring tide | more gravity pull
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| why does a neap tide have the lowest tidal range | low gravity pull
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| what is the position of the earth, sun, and moon at a spring tide | strait line
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| what is the position of the earth, sun, and moon at a neap tide | right angle
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| the what distance between the crest and the trough of a wave is the wave height | vertical
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| the what distane between the crest to crest is the wavelength | horizontal
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| when a wave reaches a certain height and cant support the crest it collapses, what is this called | breaker
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| besides an earthquake what else is a disturbance that can cause a tsunami | landslides, volcanic eruptions, and glaciers
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| can a breaker form at any size | no
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| how many neap tides are there in a single day | 2
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| how many spring tides are there in a single day | 1
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| when do the neap tides occur | morning, and late afternoon
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| when do the spring tides occur | all afternoon
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