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The fossil record
Use relative and radiometric dating to place fossils in time and show how life has changed over millions of years.
⏱ 20 min❓ 8 questions
What you'll be able to do
- ✔I can use the law of superposition and index fossils to find the relative age of rocks and fossils
- ✔I can use half-lives to calculate the absolute age of rocks
- ✔I can explain how the fossil record shows change in life over time, including transitional forms
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:
- 🔢Number answer — Work out the answer and type the number.
👪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: AC9S10U02