Patricia90 Member for 3 years 5 months Age: 6-8 Level: 2º Primaria Language: English (en) ID: 130434 26/04/2020 Country code: ES Country: Spain School subject: Natural Science (1061921) Main content: Materials (2011673) Some materials and objects change when we heat or cool them. Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF