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Paper 1 & 2
Required Practicals (Physics)
Both
Practicals are about method and variables.
Key Facts
- Practicals test method and evaluation.
- State how to reduce error.
Topics Covered
Practical Skills
What you need to know
- •Identify variables: independent, dependent, control.
- •Draw a clear diagram of the setup.
Exam Tips
- Always mention repeats and mean values.
Key Terms
Control variable
A variable kept the same in an experiment.
Repeat
Doing an experiment again to improve reliability.
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Common Exam Questions
Give two ways to improve reliability in a practical.
2 markseasyPaper 1 & 2
Model Answer
Repeat and calculate a mean; use more data points.
What examiners want to see
- ✓Two valid improvements.
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