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Cambridge IGCSE Physics practice

Paper 6 structured question: Convection

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6

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2

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Topic

Convection

Exam-style question

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Paper 6Alternative to PracticalPractical2 marks

Observing convection currents in a liquid.

Results Table

Convection Current Observations

Data collected from an experiment observing convection currents in a heated liquid.

Time (minutes)Color Position
0Bottom
2Middle
4Top
  1. a

    Describe the results shown in the table.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 6 structured question: Convection

Paper 6Alternative to PracticalPractical1 marks

Method

Convection Experiment

In this experiment, a beaker of water is heated from below. Food coloring is added to visualize the convection currents.

Temperature (°C)Position of Color
20Bottom
40Middle
60Top
  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]