Learning objective

Explain the process for measuring the density of a liquid, a solid with a regular shape, and a solid with an irregular shape that sinks in a liquid (using volume displacement), including necessary calculations.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

Cambridge IGCSE PhysicsMotion, forces and energyCore content

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Quick explanation

This point belongs to Density, especially Density outcomes.
You need to be able to explain the process for measuring the density of a liquid, a solid with a regular shape, and a solid with an irregular shape that sinks in a liquid (using volume displacement), including necessary calculations.
The key ideas to know are Describe, Determine, and Calculate.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeDetermineCalculate

Why it matters

This objective helps connect Density outcomes to exam-style questions, flashcards, and revision notes for Density.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 3Theory (Core)2 marks

Description

You have a solid cube with a mass of 24g and a volume of 8cm³. You also have a liquid with a mass of 40g and a volume of 20cm³.

a
Calculate the density of the solid cube.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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