What Are Convection Currents? - Mr. Wizard's Supermarket Science
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10 سال پیش
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Mr. Wizard demonstrates what convection
Mr. Wizard demonstrates what convection currents are. Subscribe now for more science, nature and technology clips from the 1980's Nickelodeon show, Mr. Wizard's World, every week on #WizardWednesdays.
10 سال پیش
در تاریخ 1393/02/17 منتشر شده
است.
135,507
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