{"id":101849,"date":"2026-08-18T10:12:24","date_gmt":"2026-08-18T10:12:24","guid":{"rendered":"https:\/\/milkclub-newdev.webgarh.net\/craft\/Lait%20multicolore\/"},"modified":"2026-09-03T12:30:25","modified_gmt":"2026-09-03T12:30:25","slug":"lait-multicolore","status":"publish","type":"milk_craft","link":"https:\/\/milkclub-newdev.webgarh.net\/?milk_craft=lait-multicolore&lang=fr","title":{"rendered":"Lait multicolore"},"content":{"rendered":"<p>Une activit\u00e9 scientifique simple qui cr\u00e9e de spectaculaires explosions de couleurs \u00e0 partir de lait entier, de colorant alimentaire et de savon \u00e0 vaisselle. La r\u00e9action entre le savon \u00e0 vaisselle et les mol\u00e9cules de gras du lait disperse le colorant alimentaire et produit un tourbillon de couleurs vives. L&#039;activit\u00e9 peut aussi servir \u00e0 initier les enfants au concept d&#039;\u00e9mulsion.<\/p>\n<h3>Mat\u00e9riel n\u00e9cessaire<\/h3>\n<ul>\n<li>Du lait entier (au moins 1 tasse ou 250 ml)<\/li>\n<li>Un plateau peu profond ou une assiette<\/li>\n<li>Du colorant alimentaire (couleurs vari\u00e9es)<\/li>\n<li>Une pipette ou un compte-gouttes<\/li>\n<li>Du savon \u00e0 vaisselle<\/li>\n<li>\u00c9tapes<\/li>\n<li>Verser une couche de lait entier dans le plateau peu profond ou l&#039;assiette.<\/li>\n<li>D\u00e9poser d\u00e9licatement quelques gouttes de colorant alimentaire \u00e0 la surface du lait, en les r\u00e9partissant sur toute la surface.<\/li>\n<li>Ajouter quelques gouttes de savon \u00e0 vaisselle directement sur les gouttes de colorant et observer le d\u00e9but de l&#039;explosion de couleurs.<\/li>\n<li>Observer les couleurs qui tourbillonnent et se dispersent \u00e0 mesure que le savon r\u00e9agit avec le gras du lait.<\/li>\n<\/ul>\n<p class=\"milk-craft-safety-note\"><strong>CONSIGNE DE S\u00c9CURIT\u00c9<\/strong> Ne pas boire le lait apr\u00e8s l&#039;activit\u00e9.<\/p>\n<h3>Pourquoi \u00e7a fonctionne?<\/h3>\n<p>Le lait est principalement compos\u00e9 de minuscules gouttelettes de gras animal dispers\u00e9es dans de l&#039;eau. Le lait entier donne les meilleurs r\u00e9sultats en raison de sa plus forte teneur en mati\u00e8res grasses. Le savon \u00e0 vaisselle agit comme \u00e9mulsifiant : il d\u00e9compose le gras du lait, ce qui fait disperser et tourbillonner le colorant alimentaire au fur et \u00e0 mesure que les mol\u00e9cules de gras se d\u00e9placent. C&#039;est le m\u00eame principe qui rend le savon \u00e0 vaisselle si efficace pour nettoyer la vaisselle graisseuse.<\/p>\n<h3>Id\u00e9es pour prolonger l&#039;activit\u00e9<\/h3>\n<ul>\n<li>Essayer diff\u00e9rentes marques de savon \u00e0 vaisselle pour comparer l&#039;effet.<\/li>\n<li>Faire l&#039;exp\u00e9rience avec du lait 3,25 %, du lait 2 %, du lait 1 % et du lait \u00e9cr\u00e9m\u00e9 pour voir comment la teneur en mati\u00e8res grasses influence la r\u00e9action.<\/li>\n<li>Ajouter des gouttes de plusieurs couleurs et observer comment elles interagissent.<\/li>\n<\/ul>\n<h3>Liste de plans<\/h3>\n<ul>\n<li>Les gouttes de couleur \u00e0 la surface du lait<\/li>\n<li>Gros plan sur l&#039;application du savon<\/li>\n<li>La r\u00e9action d&#039;explosion de couleurs<\/li>\n<li>Plan d&#039;ensemble en surplomb<\/li>\n<\/ul>\n","protected":false},"featured_media":101823,"template":"","craft_difficulty":[1214],"class_list":["post-101849","milk_craft","type-milk_craft","status-publish","has-post-thumbnail","hentry","craft_difficulty-Dbutant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lait multicolore - milkclub.ca<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/milkclub-newdev.webgarh.net\/?milk_craft=lait-multicolore&lang=fr\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lait multicolore - milkclub.ca\" \/>\n<meta property=\"og:description\" content=\"Une activit\u00e9 scientifique simple qui cr\u00e9e de spectaculaires explosions de couleurs \u00e0 partir de lait entier, de colorant alimentaire et de savon \u00e0 vaisselle. 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