independent variable definition
the thing that you CHANGE
dependent variable definition
the thing you MEASURE
control variable definition
the thing(s) you keep the SAME (constant)
Identify the variables in this experiment:
Dropping a ball at a certain height to see how high it bounces.
The independent variable is the height.
The dependent variable is the measurement of how high each of the balls bounce.
The control variable is the type of ball – we must use the same type of ball.