Thursday, 26 June 2014 13:26
I2-44: CONVECTION - CANDLE IN CYLINDER
Additional Info
- ID Code: I2-44
- Purpose: Demonstrate the mechanism of convection.
- Description: A lighted candle lowered into the graduated cylinder goes out quickly because the buildup of gaseous products of combustion at the bottom of the tube prevents it from getting oxygen. Lowering the smaller tube into the larger graduated cylinder just above the candle flame separates the rising hot air from the falling cold air, allowing convection currents to feed oxygen to the candle flame.
- Availability: Available
- References: REFERENCES: (PIRA 4B20.25)
- Loc codes: I2
Published in
I2 Transfer of Heat
Tagged under
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I2-01: CROOKES' RADIOMETER
Stimulate discussion about radiative heat transfer and conservation of momentum with photons. Read More
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I2-03: CROOKE'S RADIOMETER - ROTATION REVERSAL
Counterintuitive demonstration of Crookes' radiometer designed to make students understand radiation better. Read More
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I2-04 WIEN'S LAW OF THERMAL RADIATION
Shows that higher temperature blackbodies radiate with shorter wavelengths
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I2-05: LESLIE'S CUBE
Illustrate radiation from various surfaces. Read More
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I2-06 THERMOPILE WITH AUDIO OSCILLATOR
Observe infrared radiation
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I2-07: THERMOPILE WITH DVM
Observe infrared radiation. Read More
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I2-08 RADIATIVE HEAT TRANSFER
Shows radiation from a hot object
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I2-09 DEWAR - TRANSPARENT WITH LIQUID NITROGEN
Demonstrates a dewar
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I2-10: DEWARS - SILVERED AND UNSILVERED
Illustrate the function of silvering a dewar Read More
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I2-11: THERMOS BOTTLE
Show the parts of a standard thermos bottle. Read More
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I2-12: RADIATION FROM COLD OBJECT
Show radiation from a cold object Read More
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I2-21 THERMAL CONDUCTIVITY IN METALS
Demonstrates thermal conductivity in various metals
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I2-22 THERMODYNAMICS BY TOUCH
Demonstrates that touching a material tells something about its conductivity, not necessarily its temperature
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I2-24: THERMAL CONDUCTIVITY IN WATER
Demonstrate that water is a poor conductor of heat. Read More
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I2-26: LEIDENFROST PHENOMENON
Demonstrate the Leidenfrost effect. Read More
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I2-27: THERMAL EQUILIBRIUM BETWEEN ALUMINUM AND COPPER
Show process of thermal equilibrium happening between touching aluminum and copper cylinders. Read More
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I2-28: WATER BALLOON AND CANDLE
Show transfer of heat in water Read More
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I2-29: Thermal Conductivity - Metal Bars and Liquid Crystals
Show conduction of heat in metals Read More
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I2-41: CONVECTION - POWDER IN WATER
Illustrate convection. Read More
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I2-42: FALLING CANDLE
Demonstrate how a flame burns in the absence of normal convection. Read More
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I2-43: CONVECTION - HOT PLATE
See convection currents. Read More
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I2-44: CONVECTION - CANDLE IN CYLINDER
Demonstrate the mechanism of convection. Read More
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I2-45: CONVECTION - HIGH/LOW CANDLES IN CYLINDER
Brainteaser regarding convection. Read More
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