{"id":1405,"date":"2017-01-05T12:16:52","date_gmt":"2017-01-05T11:16:52","guid":{"rendered":"http:\/\/agora.xtec.cat\/ceip-montserrat-cornella\/?p=1405"},"modified":"2017-02-07T12:05:24","modified_gmt":"2017-02-07T11:05:24","slug":"experiments-a-cicle-superior","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceip-montserrat-cornella\/general\/experiments-a-cicle-superior\/","title":{"rendered":"Experiments a 3r i a Cicle Superior"},"content":{"rendered":"

Durant aquest primer trimestre del curs 2016-2017 hem seguint fent pr\u00e0ctiques al laboratori de l’escola.<\/p>\n

Per comen\u00e7ar, hem creat logos pel laboratori i els hem utilitzat per decorar la porta d’entrada. Tamb\u00e9 hem repassat l’utillatge i les diferents eines que utilitzarem al llarg del curs en les diferents pr\u00e0ctiques: tubs falcon, tubs d’assaig, pipetes, gradetes, plaques petri, lupes binoculars… Alguns dels instruments els recordaven del curs passat i d’altres els hem apr\u00e8s de nou!<\/p>\n

Despr\u00e9s de veure, manipular i con\u00e8ixer els instruments hem comen\u00e7at fent una pr\u00e0ctica per a con\u00e8ixer les parts del microscopi i el seu funcionament. Tamb\u00e9 hem vist un v\u00eddeo que explica la difer\u00e8ncia entre l’augment d’objectius del microscopi i la seva equival\u00e8ncia amb objectes quotidians. Els alumnes van quedar molt sorpresos!<\/p>\n

Posteriorment, hem repartit portaobjectes amb diferents mostres cel\u00b7lulars de ratol\u00ed (que ens va facilitar l’IRB el curs anterior) i els alumnes per parelles havien de descobrir a quina part del cos pertanyia cadascuna d’elles observant-les amb els microscopis. Tot aix\u00f2, ajudats d’una fitxa de model i de la projecci\u00f3 a la pissarra de les deferents mostres amb la c\u00e0mera del microscopi del mestre. La majoria ho van descobrir!<\/p>\n

L’\u00faltima pr\u00e0ctica que hem portat a terme aquest primer trimestre \u00e9s “L’ou com bota!” Una pr\u00e0ctica que ha sorgit dels seus interessos i les seves preguntes sobre el m\u00f3n que els envolta. Aquesta pr\u00e0ctica ha estat molt interessant perqu\u00e8 els alumnes han pogut dur a terme la pr\u00e0ctica a casa i molts d’ells s’han implicat portant les mostres a l’escola. Tamb\u00e9 hem apr\u00e8s qu\u00e8 \u00e9s l’osmosi. La part m\u00e9s interessant des del punt de vista del mestre ha estat l’assimilaci\u00f3 per part de l’alumnat de que l’ou \u00e9s una de les poques c\u00e8l\u00b7lules que es poden veure a ull nu i la correlaci\u00f3 entre nucli i rovell, clara i citoplasma, closca i membrana.<\/p>\n

De cara al segon trimestre, comen\u00e7arem les sessions de laboratori amb un altre dubte que els ha sorgit: “D’on surten els colors?”<\/p>\n

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    Durant aquest primer trimestre del curs 2016-2017 hem seguint fent pr\u00e0ctiques al laboratori de l’escola. 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