{"id":767,"date":"2020-12-18T11:52:24","date_gmt":"2020-12-18T10:52:24","guid":{"rendered":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/?p=767"},"modified":"2024-03-01T19:43:26","modified_gmt":"2024-03-01T18:43:26","slug":"verticale-gravite","status":"publish","type":"post","link":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/2020\/12\/18\/verticale-gravite\/","title":{"rendered":"Verticale, gravit\u00e9"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignleft is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-content\/uploads\/sites\/31\/2020\/12\/Astronomie.jpg\" alt=\"\" class=\"wp-image-768\" width=\"73\" height=\"67\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Vivre sur une Terre plate et la penser sph\u00e9rique<\/h2>\n\n\n\n<p><em>Mots cl\u00e9s: verticale, horizontale, gravit\u00e9, Terre ronde.<\/em><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-content\/uploads\/sites\/31\/2020\/12\/visuel-Verticale-gravit\u00e9.jpg\" alt=\"\" class=\"wp-image-769\" width=\"325\" height=\"352\" srcset=\"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-content\/uploads\/sites\/31\/2020\/12\/visuel-Verticale-gravit\u00e9.jpg 491w, https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-content\/uploads\/sites\/31\/2020\/12\/visuel-Verticale-gravit\u00e9-277x300.jpg 277w\" sizes=\"auto, (max-width: 325px) 100vw, 325px\" \/><\/figure><\/div>\n\n\n\n<p><em>Cette s\u00e9quence s&rsquo;adresse au cycle2 et au cycle 3.<\/em><\/p>\n\n\n\n<p>Nous  vivons  sur  une  Terre  que  nous  percevons  comme  plate  aux  variations  de  relief  pr\u00e8s.  <br> D\u00e9s le plus jeune \u00e2ge, nous diff\u00e9rencions sans ambigu\u00eft\u00e9 le haut et le bas. Nous avons appris \u00e0 situer le ciel, le  Soleil, les \u00e9toiles \u00ab en haut \u00bb. Pour autant, \u00e0 l\u2019\u00e9chelle astronomique, il nous faut penser notre Terre sph\u00e9rique  o\u00f9 le bas est au centre, et le haut, partout autour de la Terre. <br> Ce changement conceptuel est long et difficile.Il n\u00e9cessite une forte d\u00e9centration et de l\u2019entra\u00eenement pour  passer d\u2019un r\u00e9f\u00e9rentiel terrestre local, \u00e0 un r\u00e9f\u00e9rentiel g\u00e9ocentrique, dit autrement pour passer d\u2019un monde   plat  \u00e0 un monde  sph\u00e9rique.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Vivre sur une Terre plate et la penser sph\u00e9rique!<\/p>\n\n\n\n<p><a href=\"https:\/\/nuage07.apps.education.fr\/index.php\/s\/M4WaXRknH6t7Q4y\">Fiche sur la Verticalit\u00e9, gravit\u00e9<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vivre sur une Terre plate et la penser sph\u00e9rique Mots cl\u00e9s: verticale, horizontale, gravit\u00e9, Terre ronde. Cette s\u00e9quence s&rsquo;adresse au cycle2 et au cycle 3. Nous vivons sur une Terre [&hellip;]<\/p>\n","protected":false},"author":56,"featured_media":770,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,58,15,16,47,20,18,43,42,13,44,41],"tags":[],"class_list":{"0":"post-767","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-argumentation","8":"category-attraction","9":"category-cycle-2","10":"category-cycle-3","11":"category-echelle","12":"category-esprit-critique","13":"category-experimentation","14":"category-gravite","15":"category-horizontale","16":"category-la-planete-terre-les-etres-vivants-dans-leur-environnement","17":"category-rotondite-de-la-terre","18":"category-verticale","19":"czr-hentry"},"_links":{"self":[{"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/posts\/767","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/users\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/comments?post=767"}],"version-history":[{"count":2,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/posts\/767\/revisions"}],"predecessor-version":[{"id":841,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/posts\/767\/revisions\/841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/media\/770"}],"wp:attachment":[{"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/media?parent=767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/categories?post=767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mediascol.ac-clermont.fr\/groupesciences63\/wp-json\/wp\/v2\/tags?post=767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}