Scientific Method

An experimenter adds this step into his procedure. "The person exercising will then drink gatorade". Can this step be repeated by all people identically? Why or why not?

Think back to the paper towel experiment. A student decides to test Bounty paper towels versus Sparkle paper towels. What could be a possible control for this experiment? Hint: It cannot be no paper towel

Refer back to the paper towel experiment. What constants would you need? What would need to be the same about each group ( Bounty & Sparkle)?

Refer to the experiment of how hours of sleep affect test percentage. What would need to be constant in this experiment? Hint: Think about how you would do the experiment and what might affect your test percentage besides sleep