This is a complete easy-to-follow 6 week unit of work to teach the basics of computer networks to younger pupils (aged 9 - 12). It includes an attractive PowerPoint presentation for every lesson including fun activities to teach key skills, an easy to use assessment grid and a comprehensive teacher's guide.This unit teaches the pupils about how computer networks are constructed. Using practical activities where the pupils “are the network” they learn how data flows around a network and the pro