Liquid Convection Apparatus
Product Number: SB50319
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For demonstrating the phenomenon of thermal convection in liquids caused by temperature variation. Consists of a rectangular-shaped borosilicate glass tube (6 in. W x 8-1/6 in. H) with a funnel-shaped opening at the top for filling liquids. When tube is partially filled with water and heated at one corner after adding a dye, potassium permanganate crystals, sawdust, or aluminum powder, the movement of colors or particles illustrates the formation of convection currents. Includes teacher’s guide.