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Thermodynamics

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4B 20.40 - Greenhouse Effect

Demonstrates: Glass transmits visible and near IR wavelengths but is opaque to longer wavelengths.
Description: An heat lamp is placed near a thermometer and temperature is marked. Thermometer is then placed in a covered glass beaker and higher temperature is noted.

4B 30.10 - Thermal Conductivity

Demonstrates: Heat conduction.
Description: A copper rod that has steel ball bearings attached to it with wax.

4B 30.20 - Thermal Conductivity of Metals

Demonstrates: How different metals conduct heat at different rates.
Description: Six rods of different metals radiate from a central hub. Each rod has a steel ball at the end of it. When the center hub is heated the balls drop off at varying rates depending on the thermal conductivity of each metal.

4B 40.20 - Thermal Radiation

Demonstrates: Radiant energy of heat.
Description: The radiant energy of a candle is focused into a beam and is detected by a radiometer.

4B 60.20 - Mechanical Equivalent of Heat

Demonstrates: How heat and friction are related to work.
Description: Temperature changes caused by friction are measured and work is calculated.

4B 60.30 - Calorimetry

Demonstrates: Temperature change due to heat.
Description: Hot lead shot is placed in a beaker of water to raise the temperature of system.

4B 70.10 - Fire Syringe

Demonstrates: A change in pressure causes a change in temperature.
Description: Cotton fibers are combusted with a rapid change in pressure.