In testing the soap with the use of control and variable, you need to differentiate both of the soaps that is needed to be differentiated with having to name the materials used and the soaps that are under the control and under the variable. The control will be the materials needed as it is the one responsible of changing the variable as the soaps are the variable because they will likely change as the experiment is conducted.
Variable and control are terms used when experimenting. They refer to any factor or element in the experiment that could undergo a change in value, or result in a change in the value of another variable
For example, to test how well two types of soap work, the following control and variable factors should be noted:
The above factors are what we refer to as the control (control variable), and they could thus be used in the experiment above.
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