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Revision activity from GCSE Biology 9-1 Revision Clocks bundle found here https://tinyurl.com/Bio9-1Revision-Clocks. Other single units are available.
Revision clock for B6 Preventing and Treating Disease/GCSE Biology but can be used for Combined science too as it highlights biology only content. It also highlights higher tier content too.
It is written for the AQA specification (but would be appropriate for other specifications too).
Included are page references to OUP/Kerboodle GCSE Biology Textbook.
This activity is best printed on A3 paper but works well on A4 too.
It allows students to time their revision and keep on track to spend an hour revising, moving on to the next activity every 5 minutes.
https://www.tes.com/teaching-resource/gcse-biology-9-1-revision-clocks-bundle-12451395
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