In the second demonstration, you saw your teacher put a bottle
with an upside down lid into hot water.
Describe what happened.
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Adding heat energy makes the gas molecules in air move faster. Use this fact to explain
your observations
You will do an activity like the one your teacher did with the bottle. But instead of using
a lid, you will place a film of bubble solution over the opening of the bottle. What do you
think will happen to this film of bubble solution when you place the bottle in hot water?
What happens to a film of bubble solution when the air inside a
bottle is warmed and cooled?