Watch this fascinating demonstration of air pressure at work. Notice how the egg vibrates as the heated air escapes around it, and how it gets smoothly pushed into the bottle by atmospheric pressure.

First Alert Chief Meteorologist Kendra Kent shows kids and parents how to recreate her “Cloud in a bottle” experiment! The ...

What happens to something airtight when the air around it changes? Find out by making a pressure bottle and squishing ... For the most impressive bubbles, experiment with the volume of water ...