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A gyre is a spinning water circle caused by the earth's rotation and the wind combined causing it to start spinning in a circle form. Its not a whirlpool! A surface current is movement of the water anywhere from the surface of the ocean to 300 feet deep. On the other hand a a deep surface current is water movement that happens 300 feet deep under the oceans surface. Salt water is heavier than fresh water, if you were to put them in the same bottle the salt water would sink and the fresh water would stay at the top. Same with hot water and cold water. Cold water is heavier than hot water, so the cold water sinks like the salt water and like the fresh water, the hot water stays up.
S&EP:SP2: Developing and using models: Did you build a model, draw a picture, created a concept map, etc?
I class we had a project about currents and we were given coordinates and through these coordinates we had to map out the currents it went through. Mine went through the Mozambique to the Antarctic Circumpolar to the South Atlanta then last it ends at the Benguela currents. We are basically mapping out messages in a bottle that was assigned to our group. Everyone has a different coordinate.
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