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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Physical quantities and measurement techniques

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Attempt questionPhysical quantities and measurement techniques revisionRevise the key idea

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Physical quantities and measurement techniques

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Paper 3Theory (Core)2 marks

Accurate length measurement is important in scientific experiments.

Description

Using a Ruler

A ruler is used to measure the length of objects. It has markings that indicate centimeters and millimeters. To measure accurately, align the ruler with the object and read the measurement at eye level.

  1. a

    Describe the steps to measure the length of an object using a ruler.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Physical quantities and measurement techniques

Paper 3Theory (Core)3 marks

Description

Using a Measuring Cylinder

A measuring cylinder is used to measure the volume of liquids. It has markings on the side to indicate volume levels. When measuring, ensure the cylinder is on a flat surface and read the bottom of the meniscus at eye level.

  1. a

    Explain how to measure the volume of a liquid using a measuring cylinder.

    Aim for approximately 3 distinct marking points.

    [3]