FOTOS DE L’ACTIVITAT<\/a><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"Aquests dies a 4t estem treballant i aprenent diferents propietats del so. Hem descobert que el so \u00e9s una vibraci\u00f3 i que es pot transmetre per elements gasosos, l\u00edquids\u00a0 i s\u00f2lids. Com \u00e9s habitual, planifiquem experiments per demostrar-ho i en aquest cas hem creat un tel\u00e8fon. 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