Loading ad... heleni_27Member for 2 years 2 months Age: 11-18 Level: Sexto de Primaria Language: Spanish (es) ID: 1784778 10/01/2022 Country code: ES Country: Spain School subject: Ciencias de la Naturaleza (1061952) Main content: La materia y la energía (2011832) Gran aprendizaje Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...