Lesson slides and workbook answers for Cambridge Checkpoint and Beyond - Chemistry Secondary 1 (Year 8) Chapter 7 (Material Changes).
Each document covers the units learned in the chapter:
7.1 Chemical reactions
7.2 Writing word equations
7.3 Corrosion reactions
7.4 Enquiry: Doing an investigation
7.5 Extension: Using reactions to identify chemicals
7.6 Review
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