The variable that a scientist observes to change while conducting an experiment is called the variable.
a.) mainipulated
b.) responding
c.) independent

Great Question!

The Answer Would Be "B" The "RESPONDING" Variable

The variable that a scientist observes to change while conducting an experiment is called the responding variable.

what is the question?

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.