Today we made a hovercraft from an old CD and a balloon.
How does it work?
Showing posts with label flight. Show all posts
Showing posts with label flight. Show all posts
Tuesday, 22 December 2015
Monday, 30 November 2015
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.
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