{"id":13391,"date":"2026-03-08T22:23:17","date_gmt":"2026-03-08T21:23:17","guid":{"rendered":"https:\/\/www.evoluscience.fr\/?page_id=13391"},"modified":"2026-03-18T18:43:45","modified_gmt":"2026-03-18T17:43:45","slug":"activite-3","status":"publish","type":"page","link":"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-2\/chapitre-2-les-mouvements-dans-le-systeme-solaire\/activite-3\/","title":{"rendered":"Activit\u00e9 3"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Dans l&rsquo;Espace, tout est bien plus grand voire infiniment plus grand !<\/em> <em>Les autres plan\u00e8tes du Syst\u00e8me Solaire sont aussi en mouvement.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"389\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-1024x389.jpg\" alt=\"\" class=\"wp-image-4464\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-1024x389.jpg 1024w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-300x114.jpg 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-768x291.jpg 768w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-1536x583.jpg 1536w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-520x197.jpg 520w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1-740x281.jpg 740w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/systeme-solaire-1.jpg 1868w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-vivid-green-cyan-color has-text-color has-link-color wp-elements-712e1649652427809341459247d1232a wp-block-paragraph\">Comment se d\u00e9placent les autres plan\u00e8tes du Syst\u00e8me Solaire ?<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#ffcca8\">Activit\u00e9 3&nbsp;: Les mouvements de plan\u00e8tes en r\u00e9volution autour du Soleil<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Comp\u00e9tences travaill\u00e9es&nbsp;:<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Faire des conversions d\u2019unit\u00e9<\/em><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>R\u00e9aliser des calculs<\/em><\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Refaisons un brainstorming de toutes les distances et le temps que nous connaissons d\u00e9j\u00e0&nbsp;!<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La Terre est \u00e0 150&nbsp;000&nbsp;000 kilom\u00e8tres du Soleil\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les distances sont plus importantes. Les scientifiques ont invent\u00e9 d&rsquo;autres unit\u00e9s de temps ! <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Regarder des vid\u00e9os explicatives&nbsp;:<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls poster=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/Lunite-astronomique-cest-quoi-Sciences-et-technologies-Alloprof-mp4-image.png\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/Lunite-astronomique-cest-quoi-Sciences-et-technologies-Alloprof.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls poster=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/Lannee-lumiere-cest-quoi-Sciences-et-technologies-Alloprof-mp4-image.png\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/Lannee-lumiere-cest-quoi-Sciences-et-technologies-Alloprof.mp4\"><\/video><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9alisons quelques conversions et calculs :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>La distance entre Mars et la Terre selon son orbite est de\u00a055,7 \u00e0 401 millions de kilom\u00e8tres. Quelle serait cette distance en unit\u00e9 astronomique ?<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"401\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/image-6.png\" alt=\"\" class=\"wp-image-13397\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/image-6.png 800w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/image-6-300x150.png 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/image-6-768x385.png 768w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/image-6-520x261.png 520w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/image-6-740x371.png 740w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">2. <strong>Stephenson 2-18<\/strong> est l&rsquo;\u00e9toile la plus grande connue. Elle mesure 2&nbsp;150&nbsp;fois le Soleil. Elle se situe \u00e0 1 769 207 000 000 000 km de la Terre. Quelle serait cette distance en ann\u00e9e lumi\u00e8re ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Revenons sur Terre et imaginons que nous conduisons une voiture\u2026 une Ferrari&nbsp;!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"426\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-1024x426.jpg\" alt=\"\" class=\"wp-image-13398\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-1024x426.jpg 1024w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-300x125.jpg 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-768x320.jpg 768w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-1536x640.jpg 1536w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-scaled.jpg 2048w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-520x217.jpg 520w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/PXL_20260308_2111357382-740x308.jpg 740w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Source : Manuel scolaire Science et Technologie Bordas 2016<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-2\/chapitre-2-les-mouvements-dans-le-systeme-solaire\/activite-3\/conclusion\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"538\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/conclusion.png\" alt=\"\" class=\"wp-image-370\" style=\"width:448px;height:auto\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/conclusion.png 538w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/conclusion-150x150.png 150w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/conclusion-300x300.png 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/conclusion-520x520.png 520w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/a><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-2\/chapitre-2-les-mouvements-dans-le-systeme-solaire\/activite-3\/devoirs-2\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"538\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/devoirs.png\" alt=\"\" class=\"wp-image-428\" style=\"width:376px;height:auto\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/devoirs.png 538w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/devoirs-150x150.png 150w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/devoirs-300x300.png 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2019\/09\/devoirs-520x520.png 520w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/a><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/03\/6-P2-Chp2Act3-FC.pdf\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"735\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/pjiece_jointe-1.png\" alt=\"\" class=\"wp-image-4366\" style=\"width:433px;height:auto\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/pjiece_jointe-1.png 735w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/pjiece_jointe-1-300x300.png 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/pjiece_jointe-1-150x150.png 150w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2020\/03\/pjiece_jointe-1-520x520.png 520w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><\/a><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Dans l&rsquo;Espace, tout est bien plus grand voire infiniment plus grand ! Les autres plan\u00e8tes du Syst\u00e8me Solaire sont aussi en mouvement. Comment se d\u00e9placent les autres plan\u00e8tes du Syst\u00e8me Solaire ? Activit\u00e9 3&nbsp;: Les<a class=\"read-more\" href=\"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-2\/chapitre-2-les-mouvements-dans-le-systeme-solaire\/activite-3\/\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13270,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-13391","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/comments?post=13391"}],"version-history":[{"count":0,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13391\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13270"}],"wp:attachment":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/media?parent=13391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}