Cambridge Year 9 Checkpoint Science 2026
Premium Mastery Pack: Predicted Papers, Full Mark Schemes, Examiner Notes, Revision Drills &
Grading Tool
Paper 1 – Predicted Exam
Section A: Biology Q1. Name two plant cell structures not in animal cells. (2) Q2. Photosynthesis
equation and explanation of light intensity. (6)
Section B: Chemistry Q3. Atomic structure definitions and mass number. (5) Q4. Reactivity:
magnesium + copper sulfate. (6)
Section C: Physics Q5. Distance-time graph interpretation. (5) Q6. Electricity: define current and
calculate resistance. (6)
Paper 2 – Predicted Exam
Q1. Design experiment on light and photosynthesis (8)
Q2. Graph analysis: enzyme activity vs temperature (10)
Q3. Energy transfer in ecosystem (12)
Full Mark Scheme & Examiner Notes
Photosynthesis: - Carbon dioxide + water → glucose + oxygen (1) - Light provides energy (1) - Rate
increases with light (1) - Limiting factor mentioned (1)
Reactivity: - Magnesium displaces copper (1) - Because it is more reactive (1) - Copper forms solid
(1)
Targeted Revision Drills
Define: diffusion, voltage, element
Graph practice: distance-time, enzyme activity
Grading Tool
Score %
Grade
85–100
6
70–84
5
55–69
4
40–54
3
<40
2