Chapter 4: Graphs, Gradients, Intercepts and Evaluation

A-level PhysicsModule 1: Practical Skills7 topicsHigher

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Graphs, Gradients, Intercepts and Evaluation: Long Answer Questions

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4 questions15 marks38 min

standard / hard / synoptic

2 marksdefinestandardOCR A

Define or identify the key idea in percentage uncertainty, then explain why it matters in Graphs, Gradients, Intercepts and Evaluation.

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3 marksexplainstandardOCR A

Proof Academy original experimental data

Condition	Measurement 1	Measurement 2	Mean
A	12.4	12.8	12.6
B	18.1	17.7	17.9
C	24.6	24.2	24.4

Using the stimulus where appropriate, explain the pattern or process involving gradient in Graphs, Gradients, Intercepts and Evaluation.

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4 marksanalysehardOCR A

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Analyse how intercept affects the outcome in Graphs, Gradients, Intercepts and Evaluation. Include any relevant calculation, condition, diagram feature, or limitation.

State the relevant principle for intercept.
Apply it to the data, diagram, or named example.
Give a justified conclusion.

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6 marksevaluatesynopticOCR A

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Evaluate the physical model and data for evaluation in Graphs, Gradients, Intercepts and Evaluation. Your answer should be coherent, use precise exam-board terminology, and consider both method and evidence.

State the relevant principle for evaluation.
Apply it to the data, diagram, or named example.
Give a justified conclusion.

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3. Uncertainties, Significant Figures and SI Units

End of Module 1: Practical Skills

Key learning objectives

Understand the key principles behind Graphs, Gradients, Intercepts and Evaluation.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.