Micro-Organisms - PowerPoint PPT Presentation

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Micro-Organisms

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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 ... – PowerPoint PPT presentation

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Title: Micro-Organisms


1
Micro-Organisms
2
Microbes are Tiny Living Things
  • 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.
  • Some microbes are USEFUL and some are DANGEROUS.
  • Bacteria and viruses are microbes.

3
Helpful Microbes do Important Jobs
  • 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
  • Yeast is a microbe its 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.
  • Microbes cause tooth decay.

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

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

7
At home be Sensible with Personal Hygiene
  • Wash your hands after going to the toilet
  • Dont 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
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