Hand Washing Methods

Hand Washing Methods - No A? Walk Away! // Experiment to find the best way to wash your hands.Guiding Question:
Which hand washing method is best for cleaning your hands of dirt and germs?

Materials:
mud/mud mask; hand sanitizer; soap; sink/water; towel

Procedure:
Coat your hands in mud or a mud mask. Try cleaning your hands in the following ways:

    1. Hand sanitizer only
    2. Water only
    3. Soap and water

Make sure you rub your hands the same way for each method.

Additional Questions:
Which method removed the most dirt?

Try each method for 5 seconds and then again a second time for 20 seconds. Do your results change?

How did you have to rub your hands to remove all of the dirt?

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