AQA GCSE Combined Science Photosynthesis Required Practical revision workbook with detailed notes, scientific diagrams, worked calculations, exam-style questions and full answers.
This comprehensive 45-page revision resource is designed for students studying AQA GCSE Combined Science: Trilogy (8464).
It covers Photosynthesis and Required Practical 5: Investigating the effect of light intensity on the rate of photosynthesis using pondweed.
The resource includes a 33-page student workbook and a separate 12-page answers and marking guidance booklet.
What’s included?Detailed revision notes
- Photosynthesis word and balanced symbol equations
- Chloroplasts, chlorophyll and light absorption
- Leaf structure and adaptations for photosynthesis
- Limiting factors: light intensity, carbon dioxide concentration, temperature and chlorophyll
- Interpreting and explaining limiting-factor graphs
- Interactions between limiting factors
- Five uses of glucose in plants
- Greenhouse applications and crop production
Required Practical 5
- Fully explained pondweed investigation
- Labelled scientific apparatus diagrams
- Step-by-step experimental methods
- Measuring oxygen production
- Comparing bubble counting with gas-volume collection
- Independent, dependent and control variables
- Fair testing, accuracy, reliability and validity
- Practical safety and common experimental errors
- Results tables, conclusions and evaluation
Mathematical and exam skills
- Calculating mean results
- Calculating the rate of photosynthesis
- Interpreting and plotting scientific graphs
- Higher Tier inverse-square law calculations
- Identifying anomalies and suggesting improvements
- Original exam-style questions
- Extended-response and 6-mark practice
- Worked examples and model answers
- Year 10 and Year 11
- GCSE Biology revision
- Required practical preparation
- Classroom activities and homework
- Independent revision
- Tutoring and intervention sessions
- Foundation and Higher Tier students, with Higher Tier material identified
All exam-style questions and marking guidance are independently produced.
Created by Mubz Resources. This resource is not endorsed by or affiliated with AQA.
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