Another experiment from the Steve Spangler website and you can find it HERE.
This experiment definitely requires adult supervision. All you need is an empty soda can, rinsed out. Add one full tablespoon of water to cover the bottom of the can. Place a bowl of cold water next to the stove burner you’ll be using. Heat the can on the burner. When you see steam rising from the can, give it a minute longer to get nice and hot. Take a pair of tongs (wear gloves for added safety) and in one smooth step, grasp the can with the tongs and flip it into the water, with the opening of the can hitting the water first. This is what happens:
Here is another go:
As you can see, Marcus had to try this several times: