What do you put on the y axis?
the dependent variable
what do you put on the x axis?
the independent variable
What is the horizontal line?
x axis, independent variable
what is the vertical line?
the y axis, dependent variable
What is an independent variable?
The variable you change
What is a dependent variable?
The variable you measure
What is a control variable?
The variable you keep the same (this ensures your results are valid)