2. Microbes are Tiny Living Things Microbes or micro-organisms can only be seen through a microscope. Microbes or micro-organisms can only be seen through a microscope. There are millions of microbes in the soil, air, water and even the human body. There are millions of microbes in the soil, air, water and even the human body. Some microbes are USEFUL and some are DANGEROUS. Some microbes are USEFUL and some are DANGEROUS. Bacteria and viruses are microbes. Bacteria and viruses are microbes.

3. Helpful Microbes do Important Jobs Bacteria which help make vinegar, cheese and yoghurt Bacteria which help make vinegar, cheese and yoghurt Bacteria rot down dead organisms and put nutrients in the soil for plants to help them grow Bacteria rot down dead organisms and put nutrients in the soil for plants to help them grow Yeast is a microbe: it’s used to make beer and bread Yeast is a microbe: it’s used to make beer and bread

4. Harmful microbes can cause Disease They cause disease and illness: flu, colds, measles, chicken pox, AIDS,tetanus, etc. They cause disease and illness: flu, colds, measles, chicken pox, AIDS,tetanus, etc. Microbes cause tooth decay. Microbes cause tooth decay.

5. Four ways of Spreading Disease From coughs and sneezes From coughs and sneezes From touching infected people or objects From touching infected people or objects From insect bites From insect bites From infected food From infected food

6. In the Kitchen – be Sensible with Food Keep food covered Keep food covered Store food in a fridge Store food in a fridge Heat food properly when cooking Heat food properly when cooking Store raw meat away from cooked meat Store raw meat away from cooked meat Preserve foods properly – take away water and air Preserve foods properly – take away water and air

7. At home – be Sensible with Personal Hygiene Wash your hands after going to the toilet Wash your hands after going to the toilet Don’t sneeze or cough over people Don’t sneeze or cough over people

8. At the Doctors – Medicines are used to fight Microbes Medicines called vaccines and antibiotics are taken as pills or injected – to fight microbes that cause illness Medicines called vaccines and antibiotics are taken as pills or injected – to fight microbes that cause illness