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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Experimental design

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Attempt questionExperimental design revisionRevise the key idea

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Experimental design

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Paper 3Theory (Core)2 marks

Understanding measuring instruments in scientific experiments.

Description

Measuring Instruments

Different instruments are used in scientific experiments to obtain accurate measurements. Each instrument has a specific function and is essential for data collection.

  1. a

    Explain Why is it important to use the correct measuring equipment in experiments?

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Experimental design

Paper 3Theory (Core)1 marks

Description

Laboratory Measuring Equipment

In a laboratory, various equipment is used to measure different quantities. For example, a stopwatch is used for time, a thermometer for temperature, a balance for mass, and a burette for liquid volume.

  1. a

    Identify List three pieces of equipment used for measuring volume in a laboratory.

    Aim for approximately 1 distinct marking point.

    [1]