{"id":4011,"date":"2026-02-15T12:08:07","date_gmt":"2026-02-15T12:08:07","guid":{"rendered":"https:\/\/www.energy-sciences.org\/sciences\/energy_sciences-tv-06-1ac-pc-la-pression-et-la-pression-atmospherique\/"},"modified":"2026-02-15T12:08:07","modified_gmt":"2026-02-15T12:08:07","slug":"energy_sciences-tv-06-1ac-pc-la-pression-et-la-pression-atmospherique","status":"publish","type":"post","link":"https:\/\/www.energy-sciences.org\/sciences\/energy_sciences-tv-06-1ac-pc-la-pression-et-la-pression-atmospherique\/","title":{"rendered":"energy_sciences-TV 06- 1AC -PC &#8211; La Pression et la Pression Atmosph\u00e9rique"},"content":{"rendered":"<p><iframe width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/cUIzdUcEWYI?feature=oembed\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>Ces documents p\u00e9dagogiques expliquent les principes fondamentaux de la pression des gaz et de la pression atmosph\u00e9rique \u00e0 travers des exp\u00e9riences simples. \u00c0 l&rsquo;aide de seringues, les le\u00e7ons d\u00e9montrent que les gaz sont compressibles et expansibles, montrant que r\u00e9duire le volume augmente la pression tandis que l&rsquo;augmenter la diminue. La pression atmosph\u00e9rique est illustr\u00e9e par des tests comme le verre d&rsquo;eau renvers\u00e9, prouvant que l&rsquo;air ext\u00e9rieur exerce une force capable de maintenir un liquide. Le Pascal (Pa) est identifi\u00e9 comme l&rsquo;unit\u00e9 de mesure officielle, bien que le bar et l&rsquo;hectopascal soient \u00e9galement utilis\u00e9s couramment. Enfin, les sources pr\u00e9cisent que le manom\u00e8tre mesure la pression d&rsquo;un gaz enferm\u00e9, alors que le barom\u00e8tre sert \u00e0 mesurer celle de l&rsquo;atmosph\u00e8re.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Ces documents p\u00e9dagogiques expliquent les principes fondamentaux de la pression des gaz et de la pression atmosph\u00e9rique \u00e0 travers des exp\u00e9riences simples. \u00c0 l&rsquo;aide de seringues, les le\u00e7ons d\u00e9montrent que les gaz sont compressibles et expansibles, montrant que r\u00e9duire le volume augmente la pression tandis que l&rsquo;augmenter la diminue. La pression atmosph\u00e9rique est illustr\u00e9e par des tests comme le verre d&rsquo;eau renvers\u00e9, prouvant que l&rsquo;air ext\u00e9rieur exerce une force capable de maintenir un liquide. Le Pascal (Pa) est identifi\u00e9 comme l&rsquo;unit\u00e9 de mesure officielle, bien que le bar et l&rsquo;hectopascal soient \u00e9galement utilis\u00e9s couramment. Enfin, les sources pr\u00e9cisent que le manom\u00e8tre mesure la pression d&rsquo;un gaz enferm\u00e9, alors que le barom\u00e8tre sert \u00e0 mesurer celle de l&rsquo;atmosph\u00e8re. <a class=\"mh-excerpt-more\" href=\"https:\/\/www.energy-sciences.org\/sciences\/energy_sciences-tv-06-1ac-pc-la-pression-et-la-pression-atmospherique\/\" title=\"energy_sciences-TV 06- 1AC -PC &#8211; La Pression et la Pression Atmosph\u00e9rique\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":2924,"featured_media":4021,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":{"0":"post-4011","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-energy_sciences-tv"},"_links":{"self":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts\/4011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/users\/2924"}],"replies":[{"embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/comments?post=4011"}],"version-history":[{"count":0,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts\/4011\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/media\/4021"}],"wp:attachment":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/media?parent=4011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/categories?post=4011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/tags?post=4011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}