{"id":7474,"date":"2021-04-04T20:21:53","date_gmt":"2021-04-05T00:21:53","guid":{"rendered":"https:\/\/cieau.org\/articles\/experience-scientifique-dessins-vivants\/"},"modified":"2021-04-04T20:21:53","modified_gmt":"2021-04-05T00:21:53","slug":"experience-scientifique-dessins-vivants","status":"publish","type":"post","link":"https:\/\/www.cieau.org\/en\/articles\/experience-scientifique-dessins-vivants\/","title":{"rendered":"Exp\u00e9rience scientifique: dessins vivants"},"content":{"rendered":"<p>Savais-tu que les dessins pouvaient danser juste avec un peu d&#8217;eau? Faisons l&#8217;exp\u00e9rience ensemble et donnons vie \u00e0 tes cr\u00e9ations!<\/p>\n<h2>Mat\u00e9riel n\u00e9cessaire<\/h2>\n<ul>\n<li>Un bol, assiette ou surface de vitre (par exemple, un lavabo)<\/li>\n<li>Un marqueur effa\u00e7able \u00e0 sec (crayon \u00e0 tableau blanc)<\/li>\n<li>De l\u2019eau<\/li>\n<\/ul>\n<h2>\u00c9tapes de r\u00e9alisation<\/h2>\n<ol>\n<li>Dessiner dans le contenant de votre choix. Soulever la pointe de votre marqueur effa\u00e7able le moins souvent possible afin d\u2019obtenir de meilleurs r\u00e9sultats. Vous pouvez essayer avec un petit poisson ou une goutte d\u2019eau!<\/li>\n<li>Verser doucement de l\u2019eau dans le contenant \u00e0 un seul endroit afin qu\u2019elle se r\u00e9partisse uniform\u00e9ment. Le dessin va tranquillement se d\u00e9coller du fond et va flotter \u00e0 la surface.<\/li>\n<li>Faire bouger l\u2019eau pour faire danser le dessin sur l\u2019eau<\/li>\n<\/ol>\n<h2>Astuces de notre animatrice scientifique<\/h2>\n<ul>\n<li>Il est important de verser l&#8217;eau d\u00e9licatement pour que les dessins ne se d\u00e9truisent pas lorsqu&#8217;ils vont commencer \u00e0 flotter.<\/li>\n<li>\u00c9viter les dessins trop complexes et soulever la pointe du crayon effa\u00e7able le moins souvent possible de l&#8217;assiette pour que les dessins soient le plus uniforme possible.<\/li>\n<\/ul>\n<h2>Explication scientifique<\/h2>\n<p>Le marqueur laisse derri\u00e8re lui un m\u00e9lange de pigments et un type d&#8217;alcool m\u00e9lang\u00e9s. L&#8217;alcool se dissout et les pigments restent sous forme de solide. Le verre est si lisse que le solide glisse d\u00e8s qu&#8217;il est mouill\u00e9!<\/p>\n<h2>Pour aller plus loin<\/h2>\n<ul>\n<li>Utilise diff\u00e9rentes couleurs pour cr\u00e9er tes personnages dansants sur l\u2019eau<\/li>\n<li>Invente une v\u00e9ritable chor\u00e9graphie, filme tes dessins vivants et envoie-les-nous! Nous avons bien h\u00e2te de voir tes petits bonhommes aquatiques.<\/li>\n<\/ul>\n<h2>FAQ<\/h2>\n<p><strong>Pour un enfant de quel \u00e2ge?<\/strong><\/p>\n<p>Les enfants de tous \u00e2ges peuvent appr\u00e9cier cette activit\u00e9.<\/p>\n<p><strong>Y a-t-il un risque pour mon contenant?<\/strong><\/p>\n<p>Nous l\u2019avons fait sur une assiette et dans un lavabo blanc sans probl\u00e8me. Simplement vous assurer d\u2019avoir le bon type de crayon, pas un crayon permanent.<\/p>\n<h2>L\u2019exp\u00e9rience en photos et vid\u00e9os<\/h2>\n<p><img decoding=\"async\" class=\"media-element file-moyen image-style-medium\" title=\"Exp\u00e9rience scientifique dessins vivants_petits poissons\" src=\"https:\/\/www.cieau.org\/sites\/default\/files\/styles\/medium\/public\/176009946_169661248356647_4383755567105932493_n.jpg?itok=Tq4oTTHp\" alt=\"Exp\u00e9rience scientifique dessins vivants_petits poissons\" \/>\u00a0<img decoding=\"async\" class=\"media-element file-moyen image-style-medium\" title=\"Exp\u00e9rience scientifique dessins vivants_cieau\" src=\"https:\/\/www.cieau.org\/sites\/default\/files\/styles\/medium\/public\/176209765_839566469972451_8779457372386484961_n.jpg?itok=Cj5ZorUR\" alt=\"Exp\u00e9rience scientifique dessins vivants_cieau\" \/><\/p>\n<p><iframe title=\"Exp\u00e9rience scientifique: dessins vivants du C.I.EAU\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/dyuToC0096I?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Savais-tu que les dessins pouvaient danser juste avec un peu d&#8217;eau? Faisons l&#8217;exp\u00e9rience ensemble et donnons vie \u00e0 tes cr\u00e9ations!<\/p>\n","protected":false},"author":13,"featured_media":6241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[67],"tags":[],"class_list":["post-7474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scientific-experiments"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Exp\u00e9rience scientifique: dessins vivants - C.I.Eau<\/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:\/\/www.cieau.org\/en\/articles\/experience-scientifique-dessins-vivants\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exp\u00e9rience scientifique: dessins vivants - C.I.Eau\" \/>\n<meta property=\"og:description\" content=\"Savais-tu que les dessins pouvaient danser juste avec un peu d&#039;eau? 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