Pure substances and mixtures

Learn what makes a substance scientifically pure and practise classifying everyday materials as pure substances or mixtures.

⏱ 17 min❓ 8 questions

What you'll be able to do

✔I can explain the difference between a pure substance and a mixture
✔I can tell elements, compounds and mixtures apart
✔I can use melting and boiling points as evidence that a substance is pure

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:

🔘Multiple choice — Tap the answer you think is best, then check it.
✅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.

Curriculum: AC9S7U06