Learning objective

Explain how to use rulers and measuring cylinders to measure length or volume accurately.

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Cambridge IGCSE PhysicsMotion, forces and energyCore contentPractical objective

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Explain how to use rulers and measuring cylinders to measure length or volume accurately

This point belongs to Physical quantities and measurement techniques, especially Physical quantities and measurement techniques outcomes.
You need to be able to explain how to use rulers and measuring cylinders to measure length or volume accurately.
The key ideas to know are Describe, Measure, and Identify.
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Key concepts

DescribeMeasureIdentify

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Paper 6 structured question: Physical quantities and measurement techniques

Paper 6Alternative to PracticalPractical3 marks

Method

Measuring Length

You are provided with a wooden block and a ruler. Describe how you would measure the length of the block accurately.

a
Describe the method you would use to measure the length of the block, including any variables you would control.
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[3]

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Recognize that scalar quantities only have size, while vector quantities have both size and direction.
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Identify the following as scalar quantities: distance, speed, time, mass, energy, and temperature.
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