{"product_id":"convection-of-liquids-glass-square","title":"Convection of Liquids Glass Square","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.","brand":"GSC International","offers":[{"title":"Default Title","offer_id":49507457401109,"sku":"GSC303","price":10.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/303.jpg?v=1761838298","url":"https:\/\/unitedsupplycorp.com\/products\/convection-of-liquids-glass-square","provider":"United Supply Corp.","version":"1.0","type":"link"}