#189
4.10.2.1 Life cycle assessment
Paper 2 · Higher combined
Spec reference: 4.10.2.1 (under 4.10.2).
What you need to know
- (Key facts / definitions / equations for this spec point)
Support videos
- FreeScienceLessons (topic playlist): (use links below)
- PMT videos hub (Using resources): https://www.physicsandmathstutor.com/chemistry-revision/gcse-aqa/using-resources/
Self-assessment (checklist)
- I can describe the stages that are assessed in life cycle
- I can explain why LCA is not a purely objective process.
- I can explain the problems with selective or
- I can carry out simple comparative LCAs for shopping
Key steps (method)
- Identify what the question is testing and use precise chemistry vocabulary.
- If it’s a calculation: write the equation/formula first, then substitute carefully.
Common mistakes
- Missing units/state symbols when asked.
- Giving a statement without linking cause → effect.
Exam-style questions (quick)
- Define the key term(s) for this point in the spec.
- Explain a typical property/result using particle/bonding ideas.
- Do a short calculation or interpretation step relevant to this point.
Practice questions
- PMT: Using resources (questions + notes): https://www.physicsandmathstutor.com/chemistry-revision/gcse-aqa/using-resources/