In words, this says Y is a function of X. Y is thought of as the dependent variable and X as the independent variable. Let’s explore this concept in more detail and understand why it is important.

The main variables in a science experiment are the independent variable, the dependent variable and the control variables. The Independent Variable is what we change or control in the experiment.

Points for discussion:Students often struggle to identify the independent, dependent and control variables in an investigation at KS4. This film highlights each type of variable in two methods to ...