Parts of an Experiment

What is an independent variable?

• The part of the experiment that is changed.

• The part of the experiment that responds to the change.

• The part of the experiment that remains the same.

• The part of the experiment that is used as a comparison.

What is the independent variable in this experiment?

• The color of the light.

• The type of plant.

• How tall the plant grows.

• The amount of water the plant receives.

The dependent variable in an experiment is:

• The part that is measured or observed.

• The variable that is changed by the scientist.

• The variable that remains the same throughout the experiment.

What are constants in an experiment?

• The parts of the experiment that stay the same.

• The part of the experiment being changed.

• The part of the experiment being measured and observed.

• The part of the experiment that the scientists manipulates.

What is the control group of this experiment?

• The plant with the white light.

• The plant with the teal light,

• The plant with the red light.

• The plant with the purple light.