Category Archives: Health & Hygiene

Hand Washing Experiment

The other day we carried out an experiment. The purpose of the activity was to identify the best and most effective way to wash our hands and remove bacteria.

Materials: Cooking oil, ground cinnamon, measuring spoons.

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Preparation: 

1- Make groups of 3.

2- Each of the 3 children: rub 1 tablespoon of cooking oil over your hands until completely coated.

3- Sprinkle 1 teaspoon of cinnamon (this represents bacteria) on your hands and rub it all around.

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Experiment: 

Wash your hands by rubbing them briskly for 20”.

Pupil 1: Use old water only.

Pupil 2: Use warm water only.

Pupil 3: Use warm water and soap.

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Results:

Let’s compare our hands now.

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Warm water and soap is the best solution!

TIP: Don’t use a bar of soap when washing hands because the bacteria stays on it from use to use.