Micro-organisms L.O. I understand that there are very small organisms called micro-organisms or microbes. L.O. I understand that some micro-organisms can be harmful to our health. What is an organism? What is a micro-organism? What do you think the prefix micro means?

Here are some of the ways that micro-organisms can be harmful to us…

Next lesson we will look at how to look after food so that we are not affected by bad micro-organisms.

Micro-organisms L.O. I understand that there are very small organisms called micro-organisms or microbes. L.O. I understand that some micro-organisms can be harmful to our health. The five types of living micro-organism are: Bacteria Viruses Fungi Algae Protozoa

_____ _ ____._ 1) Name three ways that we can help to prevent food poisoning.

3) Name a way that you can prevent people from catching measles. ___ ____ ___, m_____ and ________.

4) Name an infection which is caused by a mould (clue, runners often suffer from it). _ ______, ___

5) How can algae be used to prevent tooth decay? ___

6) Why do you think we do not have malaria and sleeping sickness in the UK – what would the insects that pass on the micro-organisms need to live? ____ m_______ ____