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Elementary Science Education

Convection Currents

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      Bernard Nebel
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      The relationships between heat, volume, and density gives rise to convection currents as may be observed in the following video. Give your kids the first hand experience of this by doing it yourself. Emphasize that because of differential heating by the sun, such currents take place in the atmosphere, giving rise to winds, and in oceans giving rise to ocean currents (and also in the Earth’s mantle giving rise to continental drift, albeit over millions of years). Please post comments.

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