Friday, June 27, 2014

A Really Gross Lesson

At the beginning of the year, we talk a lot about class procedures.  One of the most important procedures is handwashing!  We have a snack table, and the students are able to get snack as they are hungry, once we have established the snack procedures (get the snack necklace, put on the snack shoes, wash hands, take the amounts indicated, eat at the snack table in about 5 minutes so that classmates can also enjoy snack).  Somehow, the one step that is usually "forgotten" is the handwashing.  We talk a lot about the importance of cleanliness and how germs spread, but there is nothing like a visual reminder!

So, we did an experiment to see how many germs are on our hands even when they look clean.  We all wiped our hands on one half of the apple and didn't touch the other apple.  We left the two halves in a clear plastic container with a lid near the snack area for observation.  After about two weeks, the half that we all touched was covered in nastiness, and the half that we left alone was relatively germ-free.  We discussed our findings and realized that it IS really important to wash our hands with soap even though they might look clean!

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