Supplementary Materials


If you are using Safari or an older version of Chrome, Firefox or Internet Explorer, you can use the links below.



Counting Microbes


Metric Conversion

Alternative Version


If you have trouble using the above links you will need to download the materials to your computer to run them.


Windows Version

Right click and select "save as" to download

Unzip the file

Double click each program to run it

If a box pops up, select Run Anyway to continue


MAC Version

Download the file

Unstuff it

Double click each program to run it