In this lesson, we are going to introduce the students to the science behind another everyday item - detergents. To present the whole picture of detergents to the students, we are going to use three seperate experiments: 1. Mixture of oil and water with detergents as intermediary. (As presented in the 'if mixing is urgent' PDF) 2. The movement of color in mild.(As presented in the 'On the Mooove' pdf) 3. Testing Water's Skin. The three experiments above will each present the characteristics of detergents and some practical issue or usage of them other than cleansing.
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