
For the Gizmos and Gadgets adventure, Lions learn some really basic science and engineering concepts.
Printable helps for requirements:
Printable requirements for Lion Adventure: Gizmos and Gadgets
Printable checkoff sheet for Lion Adventure: Gizmos and Gadgets
Printable note sheet for Lion Adventure: Gizmos and Gadgets
Build some fun with these related ideas and achievements:
Air Pressure Demonstration

This would be a fun way to end a pack meeting or den meeting with a science theme. I guarantee that Cub Scouts will have fun blowing up balloons and letting them fly.
Use the Force Star Wars Game

The idea of this game is for each player to "use the force" to keep a balloon on a pool noodle light saber.