Question

Sally wants to see which fertilizer makes tomato plants grow the tallest. She use 3 types (A, B, C) and leaves one group in soil without any fertilizer. Identify the independent variable, dependent variable, and the control group in this experiment.

Answer 1

Independent: The types of fertilizer. (Independent I Change)

Dependent: The plants height. (Dependent is Dependent on the Independent)

Control: The Type of plants (What isn't being changed throughout the experiment.)