Wednesday 5 January 2011

New Term

Here we are back to school, and 2 days have already passed. What have we done?


We have learned about Bacteria and viruses and the diseases that they can cause. Can you help us with our calculation?





(thank you to Salmonellablog for this photograph)


If 1 bacteria divides into 2 bacteria every 20 minutes, how many will there be after 24 hours if we started with 1?

We tried this in class - it is not as easy as it sounds!

If you can't work this one out - can you find out the sizes of bacteria and viruses?

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