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Science 9 · Grade 8 · Cambridge Lower Secondary Science Stage 9

Unit 1: Photosynthesis and the carbon cycle

4 sections · 93 questions

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Sections

  1. 1.1Photosynthesise.g. Which variable does Arun change? · 24 questionsPractice
  2. 1.2More about photosynthesise.g. Why is the leaf put in hot alcohol? · 32 questionsPractice
  3. 1.3The carbon cyclee.g. Which process takes carbon dioxide out of the air? · 19 questionsPractice
  4. 1.4Climate changee.g. Why does the CO₂ line wiggle each year? · 18 questionsPractice