Links to 5 powerpoint presentations providing an introduction to bacteria and other microorganisms, their uses and their role in causing infectious diseases; a history of fighting disease; chemicals that kill bacteria; penicillin and medicines for the future.

A good site for teaching about electricity and electricity safety. Areas for both 5-11 and 11-14 students.

Information and activities on electricity, electric circuits and how to stay safe.

Information about safety and dangers associated with electricity. Interactive games to check understanding.