1. 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?

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

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

22. 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

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

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

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

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

27. 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_______ ____