making play-dough

Materials:

• 1 cup of flour


• 1 cup of water


• 1/2 cups of salt


• 1 table spoon of oil


• food color

Procedures:

1. Put flour, water, salt, and oil in the pan and mix them together.


2. On low temperature, put food color and stir them together


3. when the mixture becomes solid, turn off the burner so it can be cool enough to touch

Tips:

• sit the mixture on low temperature


• don't go to burner too close


• watch your hand when you stir the mixture

Science:

In play dough compound, surfactant combines with lubricant to reduce stickiness

photocredit: Theresa Anselmo