How to make a steam powered pop-pop boat

HAVE FUN WITH THIS!

AND THIS IS HOW IT WORKS...

Balloon Hovercraft

Today we made a hovercraft from an old CD and a balloon.

How does it work?

Tumblewings

We made Tumblewings after learning about how fast moving air creates low air pressure that can be used to create lift.

link for template

We'll post the results of our flying soon...

Hot Air Balloon

Air is made of molecules. When air becomes warm the molecules move around and move apart. This makes the air lighter and it can float. 

When the air floats it will make a balloon fly. Watch this.

Super Size Can Crush

If we could take all the air out of an oil drum, we would see the weight of the atmosphere push down on it.
We can... watch

Simple putt-putt steam engine

This boat is powered by a simple steam engine. 

Hovercraft in the Bath

Hovercraft travel on land and sea... and the bath!