{"id":13876,"date":"2018-10-20T16:18:36","date_gmt":"2018-10-20T14:18:36","guid":{"rendered":"http:\/\/agora.xtec.cat\/insbitacola\/?p=13876"},"modified":"2018-10-20T16:18:36","modified_gmt":"2018-10-20T14:18:36","slug":"practiques-cientifiques-a-leg-de-2n","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/insbitacola\/general\/practiques-cientifiques-a-leg-de-2n\/","title":{"rendered":"Pr\u00e0ctiques cient\u00edfiques a l’EG de 2n"},"content":{"rendered":"

Aquesta setmana a EG de 2n hem fet tres tallers i ens hem posat a la pell de diferents cient\u00edfics; hem fet an\u00e0lisis com els t\u00e8cnics de salut aliment\u00e0ria, hem preparat i observat mostres cel\u00b7lulars al microscopi, i tamb\u00e9 hem estudiat i disseccionat \u00f2rgans d’animals.<\/p>\n

Al primer taller hem investigat si la informaci\u00f3 de certs productes alimentaris quotidians \u00e9s correcta o ens enganyen, concretament si una s\u00e8rie d’aliments, de suposat origen animal ho s\u00f3n realment o no. Gr\u00e0cies a reactius iodats hem esbrinat si hi havia pres\u00e8ncia de mid\u00f3 en productes c\u00e0rnics, que en teoria no n’han de tenir.<\/p>\n

Al segon taller hem preparat una mostra per poder fer l’observaci\u00f3 al microscopi, concretament de teixit vegetal. Hem observat, estudiat i analitzat les c\u00e8l\u00b7lules de la ceba. Per fer-ho hem hagut d’utilitzar el blau de metil\u00e8 per tintar les diferents parts de la c\u00e8l\u00b7lula i aix\u00ed fer-les visibles al microscopi.<\/p>\n

Al tercer taller, aprofitant que hem estudiat els diferents aparells del cos hum\u00e0 hem aprofundit en els principals \u00f2rgans d’aquests sistemes; el cor, l’est\u00f3mac, els ronyons i els pulmons. Hem pogut manipular tots aquests \u00f2rgans, estudiar-los i disseccionar-los per entendre’ls encara millor.<\/p>\n

L’experi\u00e8ncia ha estat molt enriquidora, a m\u00e9s, l’alumnat ha pogut con\u00e8ixer als 3 professors d’Espai Globalitzat de 2n d’ESO.<\/p>\n

 
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