{"id":19701,"date":"2021-05-10T15:43:14","date_gmt":"2021-05-10T13:43:14","guid":{"rendered":"http:\/\/agora.xtec.cat\/escolacharlesdarwin\/?p=19701"},"modified":"2021-05-11T09:06:29","modified_gmt":"2021-05-11T07:06:29","slug":"metode-cientific-3-la-forca-de-fregament","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escolacharlesdarwin\/general\/metode-cientific-3-la-forca-de-fregament\/","title":{"rendered":"M\u00e8tode cient\u00edfic 3. La for\u00e7a de fregament"},"content":{"rendered":"<p>Benvinguts\/<span class=\"hiddenGrammarError\">des de nou<\/span> lectors i lectores de la classe Ala Delta, en aquesta ocasi\u00f3 us presentem un nou reportatge del nostre <strong>projecte.<\/strong> En aquesta ocasi\u00f3 hem treballat la<strong> for\u00e7a de fregament.<\/strong> En aquest article us presentem les parts que seguim per desenvolupar el m\u00e8tode cient\u00edfic amb un exemple d&#8217;un dels cinc grups creats a classe.<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Pregunta<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400\">Si llancem un avi\u00f3 de paper cap al Nord, cap al Sud, a l\u2019Est i a l\u2019Oest recorrer\u00e0 la mateixa dist\u00e0ncia.\u00a0 Per qu\u00e8?<\/span><\/p>\n<p><span style=\"text-decoration: underline\"><strong>Hip\u00f2tesis<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400\">Nosaltres pensem que l\u2019aire far\u00e0 que els avions de paper no arribin a la mateixa dist\u00e0ncia.<\/span><\/p>\n<p><strong><span style=\"text-decoration: underline\">Conceptes<\/span><\/strong><\/p>\n<ul>\n<li><span style=\"font-weight: 400\">For\u00e7a de fregament<\/span><\/li>\n<li><span style=\"font-weight: 400\">Aerodin\u00e0mica\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Descripci\u00f3<\/strong><\/span><\/p>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fer un avi\u00f3 de paper. Cada membre hem fet el nostre.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Llan\u00e7arem el nostre avi\u00f3 al Nord, al Sud, a l\u2019Est i a l\u2019Oest mesurant la dist\u00e0ncia que recorrer\u00e0.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Investigarem quin avi\u00f3 ha arribat m\u00e9s lluny en tots els llan\u00e7aments.<\/span><\/li>\n<\/ol>\n<p><span style=\"text-decoration: underline\"><strong>Material necessari<\/strong><\/span><\/p>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Paper D4 de colors<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Colors<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Metre de 20m\u00a0<\/span><\/li>\n<\/ol>\n<p><span style=\"text-decoration: underline\"><strong>Conclusi\u00f3 final<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400\">Al fer el primer llan\u00e7ament cap al Sud el nostre avi\u00f3 va fer 6,37m, cap al Nord 3,40m, cap a l&#8217;Est 5,70m i cap al Oest &#8211; 2,35 perqu\u00e8 va anar cap enrere. \u00a0 Hem arribat a la conclusi\u00f3 que no recorrer\u00e0 la mateixa dist\u00e0ncia perqu\u00e8 el vent actua com a for\u00e7a de fregament. Un altra cosa que hem observat ha sigut que els avions amb millor aerodin\u00e0mica han arribat m\u00e9s lluny.<\/span><\/p>\n<p>Per veure i descarregar els v\u00eddeos de l&#8217;experiment nom\u00e9s cal que cliqueu el seg\u00fcent enlla\u00e7.<\/p>\n<p><a href=\"https:\/\/photos.app.goo.gl\/HcFX9joYnkNwq5SF7\">M\u00e8tode Cient\u00edfic &#8220;La for\u00e7a de fregament&#8221;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Benvinguts\/des de nou lectors i lectores de la classe Ala Delta, en aquesta ocasi\u00f3 us presentem un nou reportatge del 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