Physical Variables Which of these could be a physical variable in an experiment?
A)level of illumination
B)temperature
C)time of day
D)all of these

Question

Quizplus · Accepted Answer

All of these (level of illumination, temperature, and time of day) could be physical variables in an experiment as they are all measurable, observable, and can have an effect on the outcome of the experiment.

Physical Variables Which of These Could Be a Physical Variable