Welcome to Laura's Lessons where our very own Laura Tobin brings you weather and science experiments from ... the same motion as a real tornado inside a bottle. Tornadoes are narrow rotating ...

Fran shows you how to make an tornado in a bottle that will impress your mates - then gets EPIC with a giant flame version!

But when you put fill the bottle and glass with glycerin, it looks like the mini bottle isn't even there — you can see the pencil behind the glass set up isn't distorted at all. This is because ...

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.

demonstrated the “Cloud in a Bottle” experiment, showing how clouds form in the atmosphere. Visitors watched as a sealed bottle transformed from clear air to a cloudy mist within seconds ...