{"id":8406,"date":"2023-10-23T04:37:00","date_gmt":"2023-10-23T03:37:00","guid":{"rendered":"https:\/\/exos.education\/fr\/exercice-sciences-les-mouvements-de-la-terre-niveau-cm2\/"},"modified":"2023-08-21T14:54:48","modified_gmt":"2023-08-21T13:54:48","slug":"exercice-sciences-les-mouvements-de-la-terre-niveau-cm2","status":"publish","type":"post","link":"https:\/\/exos.education\/fr\/exercice-sciences-les-mouvements-de-la-terre-niveau-cm2\/","title":{"rendered":"Exercice Sciences Les Mouvements De La Terre Niveau CM2"},"content":{"rendered":"<p>## Points importants du cours <img decoding=\"async\" draggable=false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f30d.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f4d8.svg\"><\/p>\n<p>On se souvient de quelques faits importants sur les mouvements de la Terre:<\/p>\n<p>1. La rotation est le mouvement de la Terre autour de son axe. Elle se fait en 24 heures et cause l&rsquo;alternance entre le jour et la nuit.<\/p>\n<p>2. La r\u00e9volution est le d\u00e9placement annuel de la Terre autour du soleil qui dure 365 jours environ.<\/p>\n<p>3. L&rsquo;inclinaison terrestre \u00e0 environ 235\u00b0 par rapport \u00e0 l&rsquo;\u00e9quateur influence nos saisons.<\/p>\n<p>## Consignes pour l&rsquo;exercice <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u270f\ufe0f\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/270f.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f3af.svg\"><\/p>\n<p>Lis attentivement les situations suivantes et utilise tes connaissances pour r\u00e9soudre les probl\u00e8mes pos\u00e9s :<\/p>\n<p>### Situation 1 <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f613.svg\"><br \/>Ton amie Maya vit en Argentine (h\u00e9misph\u00e8re sud). En d\u00e9cembreelle te raconte qu&rsquo;ils ont un No\u00ebl tr\u00e8s chaud ! Pourquoi donc ?<\/p>\n<p>### Situation 2 <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f914.svg\"><br \/>Ton grand-p\u00e8re t&rsquo;a dit une fois que lorsqu&rsquo;il \u00e9tait marinil faisait toujours attention au soleil pendant ses voyages pour savoir quand \u00e9tait midi. Comment pense-tu qu&rsquo;il y arrivait ?<\/p>\n<p>### Situation 3 <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u2600\ufe0f\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/2600.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u26f0\ufe0f\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/26f0.svg\"><br \/>En randonn\u00e9e durant un beau matin d&rsquo;\u00e9t\u00e9tu remarques que l&rsquo;ombre des montagnes change petit \u00e0 petit alors que le temps passe. Pourrais-tu expliquer pourquoi cela arrive ?<\/p>\n<p>Maintenant prends ton temps pour r\u00e9pondre aux questions selon ta compr\u00e9hension ! N&rsquo;h\u00e9site pas \u00e0 revenir sur les points importants du cours si besoin.<\/p>\n<p>## R\u00e9ponses <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f4a1.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f44d.svg\"><\/p>\n<p>Situation 1: C&rsquo;est parce que l&rsquo;Argentine est dans l&rsquo;h\u00e9misph\u00e8re sudo\u00f9 c&rsquo;est \u00e9t\u00e9 en d\u00e9cembre lorsque c&rsquo;est hiver dans notre h\u00e9misph\u00e8re nord !<\/p>\n<p>Situation 2: Ton grand-p\u00e8re savait probablement qu&rsquo;\u00e0 midi (heure locale)le Soleil atteint sa position maximale vers le haut \/ au milieu du ciel &#8211; cela s&rsquo;appelle \u00eatre \u00ab\u00a0au z\u00e9nith\u00a0\u00bb.<\/p>\n<p>Situation 3: L&rsquo;ombre des montagnes change car la terre tourne sur son axe ce qui donne une impression de d\u00e9placement apparent du soleil dans notre ciel. Le changement dans l&#8217;emplacement apparente du Soleil change ainsi \u00e9galement nos ombres !<\/p>\n<p>Cet exercice convient parfaitement aux \u00e9l\u00e8ves car il consolide leurs connaissances acquises gr\u00e2ce aux multiples contextes pratiques diss\u00e9min\u00e9s tout au long des diff\u00e9rentes situations \u00ab\u00a0probl\u00e8mes\u00a0\u00bb ci-dessus <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f44c.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\" \" src=\"https:\/\/s.w.org\/images\/core\/emoji\/14.0.0\/svg\/1f60a.svg\">.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>## Points importants du cours<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[8,17,5,4,318,1],"tags":[],"class_list":["post-8406","post","type-post","status-publish","format-standard","hentry","category-sciences","category-cm2","category-niveaux","category-matieres","category-pas-dadaptation-particuliere","category-exercices-pedagogiques-imprimables-et-gratuits"],"_links":{"self":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/comments?post=8406"}],"version-history":[{"count":0,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/posts\/8406\/revisions"}],"wp:attachment":[{"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/media?parent=8406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/categories?post=8406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exos.education\/fr\/wp-json\/wp\/v2\/tags?post=8406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}