Hand Bubbler

Item no.: 4872

Price:

per product

12,90 €

incl. 19% VAT plus shipping

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Hand Bubbler Short info:

The Bubbler demonstrates the thermodynamic laws with coloured liquid.

The Hand Bubbler demonstrates the thermodynamic laws in a fascinating way: When you increase the temperature of the lower glass chamber, the liquid in it starts to vaporize. This increases the gas pressure in this chamber which then pushes the coloured liquid through the glass tube to the top chamber. You can easily heat the chamber by just surrounding it with your hand. When nearly all liquid has flown to the top chamber, the liduid starts to bubble. As soon as all liquid is in the top chamber you can surround this chamber with your hand and the liquid will go down again.

The body of the Hand Bubbler is made out of glass, the liquid is a coloured alcohol mixture. The liquid comes in red, green, blue and purple colour (we will chose a random color when you order).

Technical info: