As the substance gets heated the molecules move apart and the substance becomes less dense than the liquid in the lamp.
Lava lamp heat transfer.
Lava lamps are very interesting to look at.
This transfer takes place in three ways conduction convection and radiation.
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A lava lamp is a decorative lamp invented in 1963 by british entrepreneur edward craven walker the founder of the lighting company mathmos the lamp consists of a bolus of a special coloured wax mixture inside a glass vessel the remainder of which contains clear or translucent liquid.
This sciencestruck post discusses the methods of heat transfer and its applications in detail.
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That s why the substance rises to the top of the lava lamp.
But they are also interesting examples of buoyancy heat transfer and solubility.
Convection is the transfer of heat through movement such those in a flowing medium such as liquids or gases or in this case as the lava rises in a lava lamp.
As the name suggests heat transfer is the travel of heat or thermal energy from one object or entity to another.
Transfer of heat through convection takes place in a lava lamp when the light bulb at the bottom of the lamp heats up the colored substance at the bottom of the lamp.
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