{"id":2800,"date":"2020-06-23T03:40:35","date_gmt":"2020-06-23T03:40:35","guid":{"rendered":"http:\/\/ee.mlfmonde.org\/taishan-edf\/?p=2800"},"modified":"2020-06-23T03:44:45","modified_gmt":"2020-06-23T03:44:45","slug":"les-pailles-arc-en-ciel","status":"publish","type":"post","link":"https:\/\/ee.mlfmonde.org\/taishan-edf\/2020\/06\/23\/les-pailles-arc-en-ciel\/","title":{"rendered":"Les pailles arc-en-ciel"},"content":{"rendered":"<p>Au d\u00e9but, on voulait cr\u00e9er une paille arc-en-ciel. Comment faire ?<\/p>\n<p>On a mis des colorants de diff\u00e9rentes couleurs dans de l\u2019eau puis on a rajout\u00e9 du sel.<\/p>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2806 aligncenter\" src=\"http:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3342-300x119.jpg\" alt=\"\" width=\"731\" height=\"290\" srcset=\"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3342-300x119.jpg 300w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3342-1024x405.jpg 1024w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3342.jpg 1440w\" sizes=\"(max-width: 731px) 100vw, 731px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>On a pris 5 verres et on a mis dans le premier verre, une cuiller \u00e0 caf\u00e9 de sel\u00a0; dans le deuxi\u00e8me verre, deux cuillers \u00e0 caf\u00e9 de sel\u00a0; dans le troisi\u00e8me verre, 3 cuillers \u00e0 caf\u00e9 de sel\u00a0; dans le quatri\u00e8me verre\u00a0; quatre cuillers \u00e0 caf\u00e9 de sel et enfin cinq cuillers \u00e0 caf\u00e9 de sel dans le cinqui\u00e8me verre.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"wp-image-2803 aligncenter\" src=\"http:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3338-1-300x152.jpg\" alt=\"\" width=\"610\" height=\"309\" srcset=\"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3338-1-300x152.jpg 300w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3338-1-768x389.jpg 768w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3338-1-1024x519.jpg 1024w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3338-1.jpg 1440w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>On a m\u00e9lang\u00e9 le sel et le colorant jusqu\u2019\u00e0 ce que le sel fonde.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"wp-image-2807 aligncenter\" src=\"http:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3347-300x136.jpg\" alt=\"\" width=\"558\" height=\"253\" srcset=\"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3347-300x136.jpg 300w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3347-768x347.jpg 768w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3347-1024x463.jpg 1024w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3347.jpg 1440w\" sizes=\"(max-width: 558px) 100vw, 558px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Apr\u00e8s on a pris chacun une paille et on a bouch\u00e9 la paille avec notre doigt. Je mettais la paille dans le premier verre, j\u2019enlevai rapidement le doigt, je rebouchais puis je mettais la paille dans le second verre. \u00a0Les couleurs ne se m\u00e9langeaient pas et donc \u00e7a devenait une paille arc-en-ciel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2808 aligncenter\" src=\"http:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3352-300x149.jpg\" alt=\"\" width=\"705\" height=\"350\" srcset=\"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3352-300x149.jpg 300w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3352-768x381.jpg 768w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3352-1024x508.jpg 1024w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3352.jpg 1440w\" sizes=\"(max-width: 705px) 100vw, 705px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>C\u2019\u00e9tait comme un arc-en-ciel et c\u2019est rare pour moi de voir un arc-en-ciel. J\u2019en avais vu dans une piscine mais il n\u2019avait pas plu, Il n&rsquo;y avait que du soleil\u00a0!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-2809 aligncenter\" src=\"http:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3354-300x225.jpg\" alt=\"\" width=\"472\" height=\"354\" srcset=\"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3354-300x225.jpg 300w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3354-768x576.jpg 768w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3354-1024x768.jpg 1024w, https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-content\/uploads\/sites\/21\/2020\/06\/IMG_3354.jpg 1440w\" sizes=\"(max-width: 472px) 100vw, 472px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Article dict\u00e9e par Eva (Grande Section)<\/p>\n<p>Photographies choisies par Eva.<\/p>\n<p>&nbsp;<\/p>\n<p>Pour des explications scientifiques, lire l&rsquo;article de Luca CE2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Au d\u00e9but, on voulait cr\u00e9er une paille arc-en-ciel. Comment faire ? On a mis des colorants de diff\u00e9rentes couleurs dans de l\u2019eau puis on a rajout\u00e9 du sel. &nbsp; &nbsp; &nbsp; On a pris 5 verres et on a mis dans le premier verre, une cuiller \u00e0 caf\u00e9 de sel\u00a0; dans le deuxi\u00e8me verre, deux [&hellip;]<\/p>\n","protected":false},"author":134,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[],"class_list":{"0":"post-2800","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-experiences-scientifiques","7":"czr-hentry"},"acf":[],"_links":{"self":[{"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/posts\/2800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/users\/134"}],"replies":[{"embeddable":true,"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/comments?post=2800"}],"version-history":[{"count":2,"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/posts\/2800\/revisions"}],"predecessor-version":[{"id":2811,"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/posts\/2800\/revisions\/2811"}],"wp:attachment":[{"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/media?parent=2800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/categories?post=2800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ee.mlfmonde.org\/taishan-edf\/wp-json\/wp\/v2\/tags?post=2800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}