Hand Boiler

Hold the bottom for some cool bubbling action! Heat from your hand warms the air in the boiler causing it to expand...
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SKU
00502
$12.95 Incl. GST
or 4 interest-free payments of $3.24
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Hold the bottom for some cool bubbling action! Heat from your hand warms the air in the boiler causing it to expand. As a result, the air forces the liquid up the twisting glass tube and then bubbles through it. Demonstrate the power of energy transfer with this intriguing liquid motion gadget. Everyone is hot, hot, hot with this boiler. Colour and shapes vary.

Age: Not a toy and not intended for use by children. Made of glass.

What You Get

Handboiler measuring approximately 17cm high in attractive gift box.

How it works

This lovely glass sculpture demonstrates Charles's Law and vapour-liquid equilibrium. The enclosed coloured liquid is a mixture of volatile liquids with a boiling point just above room temperature. However the liquid does not actually boil. It's the expanded warm air that causes a pressure difference between the two bulbs, and liquid movement. The liquid moves from the higher pressure bulb to the bulb with lower pressure, then, as the gas inside continues to expand, it bubbles through the liquid creating a cool boiling effect. Given the liquid inside is volatile, the boiler is even more effective: easily 'boiling' every time.

Teach

  • Charles's Law
  • Vapour-liquid equilibrium
  • Volatile liquids
  • Energy transfer
  • Gas pressure laws

WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 10
Width (cm) 8
Height (cm) 22
UPC N/A
Age Group 12+ Years
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