Experimental Design

The type of variable that you change or manipulate in an experiment. It is what you are testing.

The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.

The parts of the experiment that must be kept the same.

How many variables should you change in an experiment?

What is the dependent variable in an experiment where the mass of a ball affects the distance it rolls off a ramp?

What is the independent variable in Dory's experiment on how the mass of a ball affects the distance it rolls off a ramp?

What type of variable is the fertilizer when experimenting with the growth of a plant using three (of the same type of) plants, two different fertilizers, equal light, and equal water?

What are the number of times each level of the independent variable is tested?

What is the vertical axis of a line graph called?

What is the horizontal axis of a line graph called?