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Cambridge IGCSE Combined Science practice

Paper 6 structured question: Sound

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6

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2

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Topic

Sound

Exam-style question

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Paper 6Alternative to PracticalPractical2 marks

Calculating speed from experimental data.

Results Table

Results of Sound Speed Experiment

The table below shows the distance and time recorded during the experiment.

Distance (m)Time (s)Speed (m/s)
1000.3
2000.6
3000.9
  1. a

    Calculate Calculate the speed of sound for the distance of 100 meters.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 6 structured question: Sound

Paper 6Alternative to PracticalPractical1 marks

Method

Method for Measuring Speed of Sound

In this experiment, you will measure the time it takes for a sound to travel a known distance in air.

StepAction
1Set up a sound source and a distance measuring device.
2Measure a distance of 100 meters.
3Use a stopwatch to time how long it takes for the sound to reach the measuring device.
4Record the time taken.
  1. a

    Identify Identify the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]