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The Particle Model of Matter
Use the particle model to explain why solids, liquids and gases behave differently and how they change state.
⏱ 17 min❓ 6 questions
What you'll be able to do
- ✔I can describe how particles are arranged in solids, liquids and gases
- ✔I can use particles to explain changes of state
- ✔I know heating gives particles more energy to move
How this works
- 1Read the short explanations first — they teach you what you need before each question.
- 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
- 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.
What's inside
6 questions and 1 quick teaching card, including:
- 🔘Multiple choice — Tap the answer you think is best, then check it.
- 🔗Match the pairs — Choose the partner that goes with each item.
👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.
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Curriculum: AC9S6U02