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Explain how the motion of particles changes with temperature.

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Cambridge IGCSE Combined ScienceThermal physicsCore content

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Explain how the motion of particles changes with temperature

This point belongs to Kinetic particle model of matter, especially Kinetic particle model of matter outcomes.
You need to be able to explain how the motion of particles changes with temperature.
The key ideas to know are Describe and Explain.
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DescribeExplain

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Paper 3 structured question: Kinetic particle model of matter

Paper 3Theory (Core)3 marks

Description

Particle Behavior and Temperature

As temperature increases, the kinetic energy of particles in solids, liquids, and gases changes significantly, affecting their motion and arrangement.

a
Explain how the motion of particles changes with temperature.
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Aim for approximately 3 distinct marking points.
[3]

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Related learning objectives

Identify the key characteristics that differentiate solids, liquids, and gases within the context of the particle model in thermal physics.
Kinetic particle model of matter outcomes
Recall the correct terms for the changes of state between solids, liquids, and gases, excluding gas-to-solid and solid-to-gas transitions.
Kinetic particle model of matter outcomes
Explain the structure of solids, liquids, and gases by describing how their particles are arranged, spaced, and move, and illustrate these states with simple particle diagrams.
Kinetic particle model of matter outcomes
Understand that the properties of solids, liquids, and gases depend on the forces between particles, the distances separating them, and their motion.
Kinetic particle model of matter outcomes
Explain gas pressure as the result of particles colliding with surfaces, producing a force distributed over an area.
Kinetic particle model of matter outcomes

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