Learning objective

Explain how the pressure of a fixed amount of gas changes with temperature at constant volume and with volume at constant temperature, using particle theory.

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

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Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE PhysicsThermal physicsCore content

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Quick explanation

Explain how the pressure of a fixed amount of gas changes with temperature at constant volume and with volume at constant temperature, using particle theory

This point belongs to Gases and the absolute scale of temperature, especially Gases and the absolute scale of temperature outcomes.
You need to be able to explain how the pressure of a fixed amount of gas changes with temperature at constant volume and with volume at constant temperature, using particle theory.
The key ideas to know are Describe, Explain, and Identify.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainIdentify

Why it matters

This objective helps connect Gases and the absolute scale of temperature outcomes to exam-style questions, flashcards, and revision notes for Gases and the absolute scale of temperature.

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