Pressure II Segment 5: What Does Pressure Do?

Now that we have discussed what pressure is, let's find out what pressure does. First, Brian has a pair of translucent plates. He can remove all of the air from in between the plates. Now there is a very strong pressure difference! What will happen when Grace and Ellis try to pull them apart? Next, marshmallows. They're made with puffed air. What can we do to the air pressure to increase the size of the marshmallow?