Loading ad... Erika Member for 3 years 7 months Age: 7-11 Level: Tercero - Elemental Language: Spanish (es) ID: 435199 20/10/2020 Country code: EC Country: Ecuador School subject: Ciencias de la Naturaleza (1061952) Main content: La materia y sus cambios (1942534) Identificar los cambios de la materia Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...