Radioactivity.

Edexcel GCSE Physics · Topic 6

Master GCSE Radioactivity,
one specification point at a time.

Spoken lessons, explain-it-back practice and quizzes for all 46 points of Edexcel Topic 6.

Start lesson 6.1Browse all 46 points
A real view of lesson 6.1: Atomic structure, with the specification menu, spoken walkthrough and explanation.
A look inside lesson 6.1. Choose a point, listen at your pace, then put the idea into your own words.

Learn it.
Make it stick.

Use the Feynman approach: learn a little, explain it simply, then find and revisit the gaps.

  1. Listen

    A spoken walkthrough at your pace. Pause, replay, or follow the written lesson.

  2. Explain it back

    Write it in your own words. Revisit anything you cannot explain clearly yet.

  3. Test yourself

    A 20-question quiz per point, plus past papers with links to official mark schemes.

A companion to class.

For any student studying Edexcel GCSE Physics Topic 6, revising alongside class. Follow the specification order or jump to an idea you need to practise.

Parents and teachers can use the same course map to see what is covered. Follow your teacher’s tier guidance.

An illustrated avatar wearing a white top and jeans

Small steps, earned rewards.

Collect points as you learn, then visit the studio to redeem outfits and accessories for your avatar.

All 46 points. Your pace.

Choose any specification point. Quizzes and past papers are available throughout. “P” identifies separate Physics content, not Higher tier.

Atoms and their structure6.1 to 6.9
Radiation and detection6.10 to 6.17
Nuclear changes and equations6.18 to 6.22
Half-life, uses and safety6.23 to 6.32
Medicine, fission and fusion6.33 to 6.46P