Question 9 (1 point (06.02 MC)
A student has a petri dish with a layer of marbles rolling around in it. Which of the following activities should the student perform
demonstrate phase transition from a liquid to gas? (1 point)

Stacking a layer of marbles on top of the existing layer and slowly jiggling them to represent removal of energy
Stacking a layer of marbles on top of the existing layer and slowly jiggling them to represent addition of energy
Removing all but two marbles from the petri dish and shaking them vigorously to represent removal of energy
Removing all but two marbles from the petri dish and shaking them vigorously to represent addition of energy