Cambridge IGCSE Physics practice

Paper 6 structured question: Conduction

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Paper

Marks

Topic

Conduction

Exam-style question

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Paper 6Alternative to PracticalPractical3 marks

Comparing thermal insulators.

Results Table

The table shows the temperature change of various insulating materials when heated.

a
Explain why Styrofoam is a better insulator than Glass Wool based on the results.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 6Alternative to PracticalPractical1 marks

Method

In this experiment, different materials are heated and their temperature changes are recorded over time.

Material	Initial Temperature (°C)	Final Temperature (°C)	Time Taken (s)
Copper	20	80	10
Wood	20	30	60
Plastic	20	25	90

a
State the independent variable in this experiment.
Your answer
Aim for approximately 1 distinct marking point.
[1]