Loading ad... CristinaMember for 4 years 1 month Age: 7-12 Level: GRADE 3 Language: English (en) ID: 147497 02/05/2020 Country code: ES Country: Spain School subject: Natural Science (1061921) Main content: Machines (2011910) COMPLEX MACHINES Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...