The carbon cycle

Trace carbon through the atmosphere, living things, oceans and fossil fuels and identify the processes that move it between these stores.

⏱ 19 min❓ 8 questions

What you'll be able to do

✔I can describe the main carbon stores and the processes that move carbon between them
✔I can classify processes as adding carbon dioxide to or removing it from the atmosphere
✔I can explain how human activities have changed the carbon cycle

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:

✅Select all that apply — More than one can be right — pick every option that fits.
🔗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.

Curriculum: AC9S9U02