Loading ad... SofiaMember for 4 years 1 month Age: 10-13 Level: 6 Language: English (en) ID: 820575 16/03/2021 Country code: RU Country: Russia School subject: Science (1061951) Main content: Reversible-Irreversible change (1313609) From worksheet author: Reversible/Irreversible changes Other contents: No Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...