{"product_id":"convection-of-liquids-glass-square-demonstration-for-physical-science-pack-of-10","title":"Convection of Liquids, Glass Square. Demonstration for Physical Science. Pack of 10.","description":"This glass square helps to illustrate a convection current in a liquid. To observe this current, fill the apparatus with water and food coloring, then heat it at the bottom corner with low temperature heat source, such as a candle. Convection currents are then seen as the coloring is moved through the water in the glass tube, like the circulation of a hot water system. The heat source and support stand are not included\u003cbr\u003e\u003cbr\u003eSold in a case of 10.","brand":"GSC International","offers":[{"title":"Default Title","offer_id":49956236034325,"sku":"GSC303-10","price":99.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/303-1_2_SquareConvection-Photoroom.jpg?v=1780891729","url":"https:\/\/unitedsupplycorp.com\/products\/convection-of-liquids-glass-square-demonstration-for-physical-science-pack-of-10","provider":"United Supply Corp.","version":"1.0","type":"link"}