{"id":33418,"date":"2026-03-27T08:48:44","date_gmt":"2026-03-27T07:48:44","guid":{"rendered":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/?p=33418"},"modified":"2026-03-03T17:39:07","modified_gmt":"2026-03-03T16:39:07","slug":"treball-dinvestigacio-i3-per-quina-rampa-baixara-mes-rapid","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/general\/treball-dinvestigacio-i3-per-quina-rampa-baixara-mes-rapid\/","title":{"rendered":"Treball d&#8217;Investigaci\u00f3 I3: Per quina rampa baixar\u00e0 m\u00e9s r\u00e0pid?"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Aquest segon trimestre, a <\/span><b>I3<\/b><span style=\"font-weight: 400\">, hem dut a terme el nostre Treball d\u2019Investigaci\u00f3 titulat <\/span><b>\u201cPer quina rampa baixar\u00e0 m\u00e9s r\u00e0pid?\u201d<\/b><span style=\"font-weight: 400\">. A partir d\u2019una de les joguines que m\u00e9s ens agraden \u2014els cotxes\u2014 hem iniciat un proc\u00e9s d\u2019experimentaci\u00f3 cient\u00edfica adaptat a la nostra edat.<\/span><\/p>\n<p><b>\u00a0Punt de partida: la curiositat<\/b><\/p>\n<p><span style=\"font-weight: 400\">Tot va comen\u00e7ar quan vam observar diferents rampes i cotxes a l\u2019aula. Ten\u00edem rampes de:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fusta llisa<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Paper de vidre<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Gespa artificial<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-33420\" src=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-4-1024x269.png\" alt=\"\" width=\"1024\" height=\"269\" srcset=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-4-1024x269.png 1024w, https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-4-300x79.png 300w, https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-4-768x202.png 768w, https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-4.png 1054w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400\">Despr\u00e9s de manipular-les lliurement, vam formular la gran pregunta:<\/span><\/p>\n<p><b>Per quina rampa baixar\u00e0 m\u00e9s r\u00e0pid el cotxe?<\/b><\/p>\n<p><span style=\"font-weight: 400\">Aquesta pregunta ha estat el motor de tot el nostre projecte.<\/span><\/p>\n<p><b>\u00a0Formulem hip\u00f2tesis<\/b><\/p>\n<p><span style=\"font-weight: 400\">Abans d\u2019experimentar, vam conversar i vam dir qu\u00e8 pens\u00e0vem que passaria. Alguns infants creien que el cotxe baixaria m\u00e9s r\u00e0pid per la rampa negra, altres per la de fusta, i alguns per la de gespa.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Cada infant va poder expressar la seva opini\u00f3, escoltar la dels companys i argumentar el perqu\u00e8. Aix\u00ed vam comen\u00e7ar a treballar el pensament cient\u00edfic!<\/span><\/p>\n<p><b>\u00a0Experimentem!<\/b><\/p>\n<p><span style=\"font-weight: 400\">Despr\u00e9s de plantejar les nostres hip\u00f2tesis, vam passar a l\u2019acci\u00f3: vam deixar baixar els cotxes per les diferents rampes i vam observar qu\u00e8 passava.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Vam repetir l\u2019experiment diverses vegades per assegurar-nos dels resultats i vam compartir les nostres observacions. Alguns cotxes s\u2019aturaven a la gespa, d\u2019altres arribaven m\u00e9s r\u00e0pid a la meta\u2026<\/span><\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33421\" src=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-3.png\" alt=\"\" width=\"526\" height=\"564\" srcset=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-3.png 526w, https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-content\/uploads\/usu36\/2026\/03\/ti-i3-3-280x300.png 280w\" sizes=\"auto, (max-width: 526px) 100vw, 526px\" \/><\/a><\/p>\n<p><b>Les nostres conclusions<\/b><\/p>\n<p><span style=\"font-weight: 400\">Despr\u00e9s d\u2019observar i debatre entre tots, vam arribar a una conclusi\u00f3 conjunta (tal com es recull a les conclusions del treball:<\/span><\/p>\n<p><b>Els cotxes baixen m\u00e9s r\u00e0pid per les superf\u00edcies llises.<\/b><\/p>\n<p><span style=\"font-weight: 400\">Tamb\u00e9 vam descobrir que:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A la gespa artificial, els cotxes sovint s\u2019aturaven.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">El fregament fa que el cotxe perdi velocitat.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Com m\u00e9s fregament, menys velocitat.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Fins i tot vam comprovar que, encara que les rampes tinguessin la mateixa mida, el cotxe continuava baixant m\u00e9s r\u00e0pid per la rampa llisa.<\/span><\/p>\n<p><b>\u00a0Reflexi\u00f3 cient\u00edfica<\/b><\/p>\n<p><span style=\"font-weight: 400\">Hem apr\u00e8s que:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Les forces s\u00f3n la interacci\u00f3 entre dos cossos (la rampa i el cotxe).<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">La for\u00e7a de fregament influeix en la velocitat.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A m\u00e9s fregament, menys velocitat.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Tot aix\u00f2 ho hem descobert a trav\u00e9s de l\u2019observaci\u00f3, la manipulaci\u00f3 i el treball en equip.<\/span><\/p>\n<p><b>\u00a0Qu\u00e8 hem treballat?<\/b><\/p>\n<p><span style=\"font-weight: 400\">Amb aquest projecte hem desenvolupat:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">La capacitat de formular hip\u00f2tesis.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">L\u2019experimentaci\u00f3 i la comprovaci\u00f3 de resultats.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">El treball cooperatiu i el respecte per les opinions dels altres.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">El raonament cient\u00edfic adaptat a la nostra edat.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">A I3 hem fet de petits cient\u00edfics i cient\u00edfiques!\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Seguirem investigant i descobrint el m\u00f3n que ens envolta amb curiositat i il\u00b7lusi\u00f3!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest segon trimestre, a I3, hem dut a terme el nostre Treball d\u2019Investigaci\u00f3 titulat \u201cPer quina rampa baixar\u00e0 m\u00e9s r\u00e0pid?\u201d. A partir d\u2019una de les joguines que m\u00e9s ens agraden \u2014els cotxes\u2014 hem iniciat un proc\u00e9s d\u2019experimentaci\u00f3 cient\u00edfica adaptat a la nostra edat.<br \/>\n\u00a0Punt de partida:&hellip;  <a href=\"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/general\/treball-dinvestigacio-i3-per-quina-rampa-baixara-mes-rapid\/\" title=\"Read Treball d&#8217;Investigaci\u00f3 I3: Per quina rampa baixar\u00e0 m\u00e9s r\u00e0pid?\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":109,"featured_media":33419,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[664,1],"tags":[622,607,331],"class_list":["post-33418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-promocio-2025-2034","category-general","tag-ei3","tag-i3","tag-treball-dinvestigacio"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/posts\/33418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/users\/109"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/comments?post=33418"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/posts\/33418\/revisions"}],"predecessor-version":[{"id":33422,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/posts\/33418\/revisions\/33422"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/media\/33419"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/media?parent=33418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/categories?post=33418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceip-lesroquesblaves\/wp-json\/wp\/v2\/tags?post=33418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}