Have you ever tried to blow up a balloon inside a bottle? It's easy if you use science. STEP 1: Insert a balloon into one of the empty water bottles and pull the neck of the balloon over the outside ...
Short demo: The fan in a vacuum pushes air out, creating a system of low pressure. This in turn creates a system of low pressure within the bag, allowing for an entertaining demonstration of the power ...
Have you ever tried to blow up a balloon inside a bottle? It's easy if you use science. STEP 2: Place your mouth over the opening of the empty water bottle and attempt to inflate the balloon. The air ...
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