Key Stage 4 Teaching Resources Students ages 14-16 years build on their learnings around useful and harmful microbes; hand, respiratory and food hygiene; sexually transmitted infections, vaccinations and antibiotics. Lesson plans are designed to complement the National Curriculum for Key Stage 4. Download the complete lesson Micro-organisms Introduction to Microbes 50 http://www.e-bug.eu http://www.e-bug.eu Micro-organisms Useful Microbes 50 http://www.e-bug.eu http://www.e-bug.eu Micro-organisms Harmful Mi...