Key Stage 1 Teaching Resources Students aged 5-7 are introduced to positive behaviours for hand washing, respiratory, and oral hygiene. Lesson plans are designed to complement the National Curriculum for Key Stage 1. Download the complete lesson Micro-organisms Introduction to Microbes 50 /ks1-intro-to-microbes None /ks1-intro-to-microbes None Preventing infection Hand Hygiene 50 /ks1-hand-hygiene None /ks1-hand-hygiene None Preventing infection Respiratory Hygiene 50 /ks1-respiratory-hygiene None /ks1-resp...