{"id":4379,"date":"2014-12-02T18:42:05","date_gmt":"2014-12-02T18:42:05","guid":{"rendered":"http:\/\/insmonturiol.cat\/stem-6a-sessio-patates-cremades"},"modified":"2014-12-02T18:42:05","modified_gmt":"2014-12-02T18:42:05","slug":"stem-6a-sessio-patates-cremades","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/general\/stem-6a-sessio-patates-cremades\/","title":{"rendered":"STEM 6a sessi\u00f3: Patates cremades"},"content":{"rendered":"<p><strong>Sessi\u00f3 7: Patates cremades<\/strong><\/p>\n<p>Tots hem sentit a parlar de les calories, i tamb\u00e9 sabem coses sobre els carbohidrats. Per\u00f2 encara no hem apr\u00e8s a calcular les calories dels aliments. En aquesta activitat hem fet un c\u00e0lcul aproximat de les calories de dues mostres de patates fregides de bossa mitjan\u00e7ant un proc\u00e9s calorim\u00e8tric, mesurant el canvi de temperatura de l\u2019aigua despr\u00e9s d\u2019escalfar-la amb la flama generada al cremar les patates.<\/p>\n<p><a href=\"http:\/\/insmonturiol.cat\/wp-content\/uploads\/2014\/12\/Sessi\u00f3-7.-Patates-cremades.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-4380\" src=\"http:\/\/insmonturiol.cat\/wp-content\/uploads\/2014\/12\/Sessi\u00f3-7.-Patates-cremades-300x93.png\" alt=\"Sessi\u00f3 7. Patates cremades\" width=\"381\" height=\"118\" \/><\/a><\/p>\n<p><em>Qu\u00e8 s\u00f3n les calories? <\/em><\/p>\n<p>La caloria \u00e9s la quantitat, aproximada, d\u2019energia necess\u00e0ria per a elevar la temperatura d\u2019un gram d\u2019aigua un grau Celsius. Per tant, el nombre de calories d\u2019un producte ens indica la quantitat d\u2019energia potencial de l\u2019aliment o la quantitat de calor que pot produir, \u00e9s a dir, l\u2019energia que obtindr\u00edem al consumir-la.<\/p>\n<p>Hem de menjar, no tan sols per cr\u00e9ixer, sin\u00f3 tamb\u00e9 per aconseguir l\u2019energia necess\u00e0ria per saltar, c\u00f3rrer, riure i, fins i tot, dormir!<\/p>\n<p>El cos hum\u00e0 s\u2019assembla for\u00e7a a una m\u00e0quina, i per tant, necessita una font d\u2019energia que obtenim a partir de les prote\u00efnes, greixos i carbohidrats que ingerim. Quan no mengem prou, estem cansats i sense for\u00e7a. Si acumulem massa energia anem lents. Per tant, hem de trobar un equilibri entre l\u2019energia que ingerim i l\u2019energia que consumim.<\/p>\n<p>&nbsp;<\/p>\n<p>\u201cLa ciencia siempre vale la pena porque sus descubrimientos, tarde o temprano, siempre se aplican.\u201d (Severo Ochoa- Metge espanyol).<\/p>\n<p>Joana Segura i Maria L\u00f3pez doctorandes responsables del programa STEM<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sessi\u00f3 7: Patates cremades<br \/>\nTots hem sentit a parlar de les calories, i tamb\u00e9 sabem coses sobre els carbohidrats. Per\u00f2 encara no hem apr\u00e8s a calcular les calories dels aliments. En aquesta activitat hem fet un c\u00e0lcul aproximat de les calories de dues mostres de patates&hellip;  <a href=\"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/general\/stem-6a-sessio-patates-cremades\/\" title=\"Read STEM 6a sessi\u00f3: Patates cremades\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":5,"featured_media":4547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[122,1],"tags":[305],"class_list":["post-4379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencies-naturals","category-general","tag-steam"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/posts\/4379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/comments?post=4379"}],"version-history":[{"count":0,"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/posts\/4379\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/media\/4547"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/media?parent=4379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/categories?post=4379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesnarcismonturiol\/wp-json\/wp\/v2\/tags?post=4379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}