🔬 Science 8 · Grade 7 · Cambridge Lower Secondary Science Stage 8

Unit 8: Chemical reactions

5 sections · 89 questions

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Sections

1. 8.1Exothermic reactionse.g. Name two control variables in that investigation. · 18 questionsPractice
2. 8.2Endothermic reactionse.g. Why use insulated cups to investigate temperature changes? · 20 questionsPractice
3. 8.3Reactions of metals with oxygene.g. What is the chemical name for rust? · 17 questionsPractice
4. 8.4Reactions of metals with watere.g. What is the word equation for calcium and water? · 17 questionsPractice
5. 8.5Reactions of metals with dilute acidse.g. How can you tell which metal is more reactive? · 17 questionsPractice