What sorcery is this!? Science it turns out! This is a great example of Bernoulli’s Principle! In short, this states that moving air has a lower pressure. Imagine trying to dig a hole in a pool of water: as soon as some of the water gets moved out of the way, the surrounding water rushes
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How does this balloon stay intact? It’s got everything to do with our angle of attack. Latex, the stretchy material most balloons are made of, is a polymer. Polymers are made of macromolecules, or long chains of repeated small parts. When a balloon inflates, the long molecule chains in its surface stretch out & make
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This is one project that we had a ton of fun with, and it’s something you can do at home! Here is how we made our giant air cannon. Lets start with the materials you will need. Help from an adult. They will need something sharp. A trash can or bucket, and permission to ruin
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Liquid Nitrogen is a cryogenic liquid. It seems exotic because its extremely low temperatures cause it to affect things differently than we see in everyday life. To understand it a bit better, lets look at where it comes from. Nitrogen is a very common element. It makes up about 78% of the atmosphere, so you
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How did the can get crushed? You could see in the video it wasn’t pushed in by the tongs, so what did it!? This very simple experiment works because of something called Charles’s Law. Charles’s Law says that a gas will get bigger if it gets hotter, or smaller if it gets colder, as long
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