A student conducted an experiment to determine how long it would take for Substance A to freeze. She recorded the substance’s state of matter every five minutes into her data table . In this example, Substance A is a (an) ________________.

A. Control group
B. Independent (test) variable
C. Dependent (outcome) variable
D. Constant variable

A student conducted an experiment to determine how long it would take for Substance A to freeze She recorded the substances state of matter every five minutes i class=