SKILL BUILDER PAGE 80

SEPARATING AND CONTROLLING VARIABLES scientists pay close attention to controls,dependent variables when they design experiments. do the chapter 3 skill activity on page 844 to learn how to identify controls and variables



INDEPENDENT⇒⇒⇒ THE ONE THING YOU CHANGE. LIMIT TO ONLY ONE IN AN EXPERIMENT 
                        EXAMPLE THE LIQUID USED TO WATER THE PLANT



DEPENDENT⇒⇒⇒THE CHANGE THAT HAPPENS BECAUSE OF THE INDEPENDENT VARIABLE 
                 EXAMPLE THE HEIGHT OF HEALTH OF THE PLANT


CONTROLLED⇒⇒⇒ EVERYTHING YOU WANT TO REMAIN CONSTANT AND UNCHANGING 
                   EXAMPLETYPE OF THE PLANT USED,POT SIZE,AMAUNT OF LIQUID,SOIL TYPE ,ETC