Become disease-chain detectives! Pupils match routes to controls, test a paper transfer model and weigh up malaria-prevention evidence. Includes printable route cards, a record sheet, review questions and checked keys; no hand-bacteria cultures.

Includes the editable classroom PowerPoint, a covered 50-minute lesson plan, a suggested practical or paper/data investigation, printable activities and checked teacher answers. Full plans and keys are inside the paid ZIP.

Edexcel GCSE Combined Science biology, ages 14–16. Topic 5: 5.6.

The download also includes 4 independently written practice sheets with teacher answers. The activities are Paper transfer investigation, Routes and interruption cards, Malaria and prevention and Transmission review.