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Compounds and molecules
Untangle the terms atom, molecule, element and compound, and classify substances from particle diagrams.
⏱ 18 min❓ 8 questions
What you'll be able to do
- ✔I can define atom, molecule, element and compound and explain how they overlap
- ✔I can classify substances from descriptions of particle diagrams
- ✔I can explain why a compound has different properties from the elements it contains
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
8 questions and 1 quick teaching card, including:
- 🔗Match the pairs — Choose the partner that goes with each item.
- ✅Select all that apply — More than one can be right — pick every option that fits.
👪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: AC9S8U06