{"id":602,"date":"2026-02-03T07:36:54","date_gmt":"2026-02-03T06:36:54","guid":{"rendered":"https:\/\/yb-isn.fr\/2025\/spc\/?p=602"},"modified":"2026-02-06T07:36:42","modified_gmt":"2026-02-06T06:36:42","slug":"50-la-radioactivite","status":"publish","type":"post","link":"https:\/\/yb-isn.fr\/2025\/spc\/?p=602","title":{"rendered":"50-La radioactivit\u00e9"},"content":{"rendered":"<p><!--more--><\/p>\n\n\n<p>support de cours<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2024\/03\/radioactivite.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 radioactivite.\"><\/object><a id=\"wp-block-file--media-80995087-24ca-4f16-ad11-cb5835a0f02f\" href=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2024\/03\/radioactivite.pdf\">radioactivite<\/a><a href=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2024\/03\/radioactivite.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-80995087-24ca-4f16-ad11-cb5835a0f02f\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<p class=\"has-white-color has-accent-background-color has-text-color has-background has-link-color wp-elements-66986adefc4f4dda044d05eeca0b70c7\">1) La d\u00e9couverte de la radioactivit\u00e9<\/p>\n\n\n\n<p>ci-dessous deux extraits du m\u00eame film: Les palmes de monsieur Schults avec la bande annonce<\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/u932Jl9WFnE\" title=\"YouTube video player\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/2021\/es\/wp-content\/uploads\/2021\/09\/image.png\" alt=\"\" class=\"wp-image-159\" style=\"width:824px;height:39px\"\/><\/figure>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/8cWp0FGBpVQ\" title=\"YouTube video player\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/2021\/es\/wp-content\/uploads\/2021\/09\/image.png\" alt=\"\" class=\"wp-image-159\" style=\"width:824px;height:39px\"\/><\/figure>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/obo8nL06M2Y\" title=\"YouTube video player\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe>\n\n\n\n<p class=\"has-white-color has-accent-background-color has-text-color has-background has-link-color wp-elements-04b08893f4b47b3226f3102120571e19\">2) Qu&rsquo;est ce que la radioactivit\u00e9<\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/www.edumedia-sciences.com\/fr\/media\/frame\/26\/?auth=d78f1150dd3653cd37998c2225c298bb\/23383\" width=\"550\" height=\"440\" frameborder=\"0\"><\/iframe>\n\n\n\n<p><a href=\"https:\/\/www.cea.fr\/multimedia\/Pages\/videos\/culture-scientifique\/physique-chimie\/de-l-atome-a-la-radioactivite.aspx\">hatier-clic.fr\/es\/1027a<\/a><\/p>\n\n\n\n<p class=\"has-white-color has-accent-background-color has-text-color has-background has-link-color wp-elements-0e80a6c793a4b6bc37a908350fbcd85e\">3)Loi de d\u00e9croissance radioactive<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2024\/03\/image-3-1024x587.png\" alt=\"\" class=\"wp-image-964\" style=\"width:714px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"has-white-color has-accent-background-color has-text-color has-background has-link-color wp-elements-9f0e3630de18bf0cb76286e09ba75942\">4)Des applications de la radioactivit\u00e9 en m\u00e9decine<\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/Xm_W6_uKicU\" title=\"YouTube video player\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-602","post","type-post","status-publish","format-standard","hentry","category-cours"],"_links":{"self":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts\/602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=602"}],"version-history":[{"count":1,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts\/602\/revisions"}],"predecessor-version":[{"id":603,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts\/602\/revisions\/603"}],"wp:attachment":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}