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Kayla Williams

on 30 January 2015

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Transcript of CURRENTS

BY: Kayla Williams
designed by Péter Puklus for Prezi
Waves are a form of great energy and also is a disturbance which moves through or over the surface of a fluid ... that's what waves are. Also they are mostly caused by winds as well as the size of the waves are generated by wind. But that's not all ... there are different parts of waves like the crest which is the high point or wavelength is the vertical distance between crest to trough and finally ... wave height is the distance between crest to crest and trough to trough
Tides ... the vertical movement of water which is caused by the moons gravitational pull which also cases the ocean water to bulge out in the moons direction. Also due to the Earths rotation there are two high and low tides each day then there's the part when the tides rise and when they fall which called flow and ebb ... flow rises and ebb falls. Finally there are two types of tides which are called spring tides and neap tides but that's not it the spring occurs when it's new or full moon and neap occurs when it's last or first quarter
A mass of moving water that distributes heat and nutrients around the globe such as surface and deep currents but the difference is that S-currents are caused by winds while deep currents are caused by the differences in density. But there's also downwelling and upwelling which different movements of water like for up is the movement of water to the surface and down is the movement of water from the surface to greater depthes. Also there's this thing called the coriolis effect which makes water move differently in the two hemisphere for example the northern part moves right while the southern part moves left.
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