Which of the three statements do you think is best supported by the evidence so far?

Statement 1 of I<3Space: I think that molecules in a substance disappear or cease to exist when a substance changes phase.
cease to exist when a substance changes phase. I think this because when a substance
changes from liquid to gas, I can no longer see it.
PLaNetLoVeR Statement 2: I think that the molecules in a substance move differently when a substance changes phase.
differently when a substance changes phase. I think this because a liquid, a gas
and a solid do not move the same way when you tilt the container they are in.
Scienceiscool assertion 3: I think that the molecules in a substance change into a
new type of molecule during a phase change. I think this because when you tilt the
container they are in, a liquid, a gas, and a solid do not move in the same way.