Pulse Flask

Pulse Flask

A tube with a small bulb on each end partially filled with a volatile liquid is held by one bulb in the palm forcing the liquid into the other bulb.

PIRA Code(s): 
4C33.50
Set up time: 
No setup required
Physics and Science Concepts: 
Change of State, Vapor Pressure
Operation: 
Hold one bulb in your hand so that it forces the liquid to enter the other bulb.
Safety: 
Do not grasp too tightly as the glass may break.