{"id":13698,"date":"2026-04-01T19:05:52","date_gmt":"2026-04-01T17:05:52","guid":{"rendered":"https:\/\/www.evoluscience.fr\/?page_id=13698"},"modified":"2026-04-01T19:16:02","modified_gmt":"2026-04-01T17:16:02","slug":"activite-3","status":"publish","type":"page","link":"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-3\/chapitre-1-lhomme-et-lalimentation\/activite-3\/","title":{"rendered":"Activit\u00e9 3"},"content":{"rendered":"\n<p class=\"has-vivid-green-cyan-color has-text-color has-link-color wp-elements-6097b64cd29e21a5703d350f1208f1b9 wp-block-paragraph\">Comment peut-on conserver les aliments lorsqu\u2019on ne peut pas les manger tout de suite&nbsp;?<\/p>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#ffc394\">Activit\u00e9 3&nbsp;: Les m\u00e9thodes de conservation des aliments et d\u2019hygi\u00e8ne sanitaire<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Comp\u00e9tences travaill\u00e9es\u00a0: <\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Saisir des informations \u00e0 partir de documents<\/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\">Les bact\u00e9ries (micro-organismes) sont pr\u00e9sentes tout autour nous. Elles sont aussi pr\u00e9sentes sur nos mains. C\u2019est pour cela qu\u2019il est indispensable de les laver r\u00e9guli\u00e8rement et surtout avant de toucher de la nourriture pour \u00e9viter de les transmettre.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"680\" src=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-1024x680.png\" alt=\"\" class=\"wp-image-13700\" srcset=\"https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-1024x680.png 1024w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-300x199.png 300w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-768x510.png 768w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-1536x1019.png 1536w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-390x260.png 390w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-520x345.png 520w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image-740x491.png 740w, https:\/\/www.evoluscience.fr\/wp-content\/uploads\/2026\/04\/image.png 1543w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Source : <a href=\"https:\/\/www.profsvt71.fr\/pages\/college\/cycle-3-cm1-cm2-6\/chapitre-5-production-et-conservation-des-aliments-1.html\" target=\"_blank\" rel=\"noopener\" title=\"\">https:\/\/www.profsvt71.fr\/pages\/college\/cycle-3-cm1-cm2-6\/chapitre-5-production-et-conservation-des-aliments-1.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/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\">Par bin\u00f4me, \u00e0 partir des documents du site internet Le Livre Scolaire, r\u00e9pondre aux questions suivantes&nbsp;:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.lelivrescolaire.fr\/page\/14227084\">https:\/\/www.lelivrescolaire.fr\/page\/14227084<\/a><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Document 1\u00a0: Indiquer les bact\u00e9ries pr\u00e9sentes dans les aliments pouvant entra\u00eener des maladies si elles s\u2019y multiplient. Indiquer aussi les aliments dans lesquels elles peuvent prolif\u00e9rer. <\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">2. Document 2\u00a0:\u00a0 Expliquer le facteur qui influe la multiplication des bact\u00e9ries et comment on pourrait limiter les risques sanitaires les concernant. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Document 2\u00a0: D\u00e9terminer \u00e0 quelle temp\u00e9rature doit \u00eatre r\u00e9gl\u00e9 un r\u00e9frig\u00e9rateur si l\u2019on ne veut aucune multiplication de bact\u00e9ries. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. Document 3\u00a0: Expliquer les anciennes techniques de conservation des aliments et la raison pour laquelle cela fonctionne. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. Document 4\u00a0: Pour chacune des techniques de conservation actuelles, citer un aliment qui peut \u00eatre concern\u00e9.<\/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\n<p class=\"wp-block-paragraph\">Les spationautes mangent principalement des aliments s\u00e9ch\u00e9s ou lyophilis\u00e9s. Ils les r\u00e9hydratent et les font chauffer dans un tiroir \u00e0 eau chaude. (Il y a aussi un petit four).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ils ajoutent des condiments pour ajouter du go\u00fbt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9moignage d&rsquo;un astronaute canadien\u00a0: <a href=\"https:\/\/www.asc-csa.gc.ca\/fra\/astronautes\/vivre-dans-l-espace\/manger-dans-l-espace.asp\">https:\/\/www.asc-csa.gc.ca\/fra\/astronautes\/vivre-dans-l-espace\/manger-dans-l-espace.asp<\/a><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\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-3\/chapitre-1-lhomme-et-lalimentation\/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:432px;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\/wp-content\/uploads\/2026\/04\/6-P3-Chp1Act3-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:485px;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>Comment peut-on conserver les aliments lorsqu\u2019on ne peut pas les manger tout de suite&nbsp;? Activit\u00e9 3&nbsp;: Les m\u00e9thodes de conservation des aliments et d\u2019hygi\u00e8ne sanitaire Comp\u00e9tences travaill\u00e9es\u00a0: Les bact\u00e9ries (micro-organismes) sont pr\u00e9sentes tout autour nous.<a class=\"read-more\" href=\"https:\/\/www.evoluscience.fr\/index.php\/sixieme\/partie-3\/chapitre-1-lhomme-et-lalimentation\/activite-3\/\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13649,"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-13698","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13698","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=13698"}],"version-history":[{"count":0,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13698\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/pages\/13649"}],"wp:attachment":[{"href":"https:\/\/www.evoluscience.fr\/index.php\/wp-json\/wp\/v2\/media?parent=13698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}