Produced by the Institute of Physics, this video shows a simple demonstration to stimulate discussion on gas pressures and gas laws.
A vacuum wine saver pump and stopper are used to reduce the air pressure in a bottle,causing the air inside marshmallows in the bottle to expand and the sweets to swell.
The teachers' notes include the equipment needed, tips and contain a full explanation of the physics involved.
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|Subject(s)||Physics, Science, Demonstrations, Practical work|
|Published||2010 to 2019|
Institute of Physics