Question 1
Learning objective
Explain sublimation as a change directly between solid and gas.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Flashcards
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Questions
Topic
Changes of state and the particle model
Subtopic
Changes of state
Aqa Gcse PhysicsParticle model of matter
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Quick explanation
Explain sublimation as a change directly between solid and gas
- This point belongs to Changes of state and the particle model, especially Changes of state.
- You need to be able to explain sublimation as a change directly between solid and gas.
- The key ideas to know are solid, sublimation, and gas.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
solidsublimationgas
Why it matters
This objective helps connect Changes of state to exam-style questions, flashcards, and revision notes for Changes of state and the particle model.
Quick student answer
How do you explain sublimation as a change directly between solid and gas?
Direct answer
In Physics, this page helps you answer questions about sublimation as a change directly between solid and gas within Changes of state and the particle model. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Sublimation and Particle Arrangement.
Key terms
- Sublimation: The process in which a solid changes directly into a gas without passing through the liquid state.
- Particle Arrangement: The specific organization of particles in a solid, liquid, or gas, which influences the state and properties of the material.
Common trap
Misunderstanding Sublimation: Remember that sublimation is a direct change from solid to gas without passing through the liquid state.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define density as mass per unit volume.
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- Recall and apply the equation density = mass divided by volume.
Density of materials
- Identify density in kilograms per metre cubed or grams per centimetre cubed, mass in kilograms or grams and volume in metres cubed or centimetres cubed.
Density of materials
- Calculate density when mass and volume are known.
Density of materials
- Calculate mass when density and volume are known.
Density of materials