Electromagnetic Radiation
K8-46: Radio Waves & Faraday Cage
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates that radio waves do not penetrate a Faraday cage
K7-61: TESLA COIL
Category: K7 RLC Circuits
Purpose:
Demonstrate a tesla coil, including how magnetic induction and a resonant RLC circuit is used in the production of high-voltage high-frequency sparks.
K7-45: LOW AND HIGH PASS FILTERS
Category: K7 RLC Circuits
Purpose:
Demonstrate use of a series RL circuit as a low-pass filter and a series RC circuit as a high-pass filter.
K8-52: MICROWAVE MAGNETRON
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show students what the magnetron tube from a typical microwave oven looks like.
K8-51: MICROWAVE OVEN
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate operation and experimentation with a microwave oven.
K8-44: RADIOWAVES - COUPLING OF WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Illustrate inductive coupling using radio waves.
K8-43: RADIOWAVES - FREQ MEASUREMENT WITH OSCILLOSCOPE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Experimentally determine the frequency of the radiowave transmitter.
K8-41: HERTZIAN DIPOLES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show the shape and polarization of the radiation field around a dipole antenna.
K8-33: NANOSECOND CABLES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Cables which delay a signal by a fixed time interval.
K8-32: PULSES IN TRANSMISSION LINES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate the reflection of pulses in terminated and unterminated transmission lines and to determine the speed of an electromagnetic wave in the transmission line.
K8-31: TRANSMISSION LINE SAMPLE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show a large coaxial cable transmission line.
K8-22: MICROWAVES - TUBULAR WAVEGUIDE
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate transmission of microwaves in a tubular "waveguide."
K8-21: MICROWAVES - WAVEGUIDES
Category: K8 Electromagnetic Waves and Sources
Purpose:
See what microwave waveguide components look like and to discuss their functions.
K8-14: RADIOWAVES - STANDING WAVES IN AN ANTENNA
Category: K8 Electromagnetic Waves and Sources
Purpose:
Show standing waves in a dipole antenna.
K8-13: RADIOWAVES - LECHER WIRE STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Illustrate standing electromagnetic waves in a high-impedance transmission line.
K8-12: RADIOWAVES - STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate standing waves using radio waves.
K8-11: MICROWAVES - STANDING WAVES
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate microwave standing waves.
K8-05: ELECTROMAGNETIC PLANE WAVE MODEL
Category: K8 Electromagnetic Waves and Sources
Purpose:
Illustrate the geometry of a polarized electromagnetic plane wave.
H4-58: MODULATION - AM RADIO
Category: H4 Music
Purpose:
Show amplitude modulation in in AM radio signals.
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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
Read More
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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
Read More
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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
Read More
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I2-22 THERMODYNAMICS BY TOUCH
Demonstrates that touching a material tells something about its conductivity, not necessarily its temperature
Read More
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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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