Needs New Photo
I6-36: MOLECULAR MOTION DEMO - AVOGADRO'S HYPOTHESIS
Purpose:
Help justify Avogadro's hypothesis using a model.
I6-35: MOLECULAR MOTION DEMO - DIFFUSION
Purpose:
Model gas diffusion.
I6-34: MOLECULAR MOTION DEMO - TEMPERATURE OF A GAS
Purpose:
Model gas pressure.
I6-33: MOLECULAR MOTION DEMO - GAS PRESSURE
Purpose:
Model gas pressure.
I6-32: MOLECULAR MOTION DEMO - RANDOM MOTION IN GASES
Purpose:
Model random molecular motion.
I6-31: MOLECULAR MOTION DEMO - BROWNIAN MOTION
Purpose:
Model Brownian motion.
I6-25: DIFFUSION - DISTRIBUTION OF PING PONG BALLS
Purpose:
Demonstrate on a macroscopic scale using ping pong balls how random molecular motion causes substances to diffuse.
I6-11: BROWNIAN MOTION WITH TV
Purpose:
Demonstrate Brownian motion.
I5-03: MECHANICAL EQUIVALENT OF HEAT - JOULE'S METHOD
Category: I5 Laws of Thermodynamics
Purpose:
Determine the mechanical equivalent of heat.
I4-16: DRINKING BIRD
Category: I4 Changes of State
Purpose:
Stimulate thought about heat exchange and liquid-vapor phase transitions.
I4-14: CHANGE OF STATE WITH BANG
Category: I4 Changes of State
Purpose:
Demonstrate that the volume of a gas is much greater than the volume of the same amount of liquid.
I4-03: LATENT HEAT - ICE TO WATER TO STEAM
Category: I4 Changes of State
Purpose:
Show latent heat as ice is transformed to water and then to steam.
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.
K7-41: RC CIRCUIT - DIFFERENTIATION AND INTEGRATION
Category: K7 RLC Circuits
Purpose:
Demonstrate differentiation and integration using RC circuits.
K7-29: RLC CIRCUIT - 0.6 HZ TRANSIENTS
Category: K7 RLC Circuits
Purpose:
Demonstrate transients using a circuit with a very long time constant.
K7-27: RLC CIRCUIT - COMPLETE
Category: K7 RLC Circuits
Purpose:
Show the phase shift between components in a series RLC circuit.
K7-26: RLC CIRCUIT - 0.3 HZ RESONANCE
Category: K7 RLC Circuits
Purpose:
Plot a graph of resonance behavior in a very low frequency resonant circuit.
K7-22: RLC CIRCUIT - 10 KHZ - DAMPED OSCILLATIONS
Category: K7 RLC Circuits
Purpose:
Demonstrate damped oscillations in an RLC circuit.
K7-21: RLC CIRCUIT - 10 KHZ - RESONANCE
Category: K7 RLC Circuits
Purpose:
Demonstrate resonance in an RLC circuit.
K7-14: RC CIRCUIT - 100 MICROSECOND TIME CONSTANT
Category: K7 RLC Circuits
Purpose:
Demonstrate a reasonably fast RC circuit.
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K5-01: PIEZOELECTRICITY
Demonstration of a piezoelectric crystal Read More
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K5-02: PIEZOELECTRIC CRYSTAL - AUDIBLE
Demonstrate that a piezoelectric crystal converts electrical impulses into physical vibrations Read More
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K5-03: PIEZOELECTRIC IGNITOR
Show a commercial use for piezoelectricity Read More
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K5-04: PIEZOELECTRIC GUN
Application of piezoelectricity to produce copious quantities of electric charge Read More
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K5-11: BATTERY MODEL
Simple model of a battery using a human as the source of energy Read More
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K5-12 BATTERY AND CURRENT - WORKING MODEL
Model of battery with circuit attached
Read More
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K5-13: ELECTRIC CURRENT - MODEL
Indicate how electrons really flow through a conductor Read More
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K5-14: ELECTRIC CELL
Demonstrate how an electric cell is formed Read More
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K5-16: CARRIER CURRENT DENSITY MODEL
Model the density of carriers crossing a plane Read More
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K5-21: AC PLUG CIRCUIT CHECKER
Check the wiring of 110VAC power sockets Read More
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K5-22: AC PLUG CIRCUIT CHECKER CHECKER
Demonstrate each different kind of wiring error Read More
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K5-23: ROTATING TWO-COLOR LED
Demonstrate that what comes out of a 110 VAC plug is in fact alternating current Read More
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K5-31 OHM'S LAW
Demonstrates relationship between current, voltage, and resistance Read More
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K5-32: RESISTANCE VS DIAMETER AND LENGTH
Determine how resistance varies as a function of diameter and length for the same material Read More
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K5-33 CONDUCTIVITY OF SALT SOLUTION
Shows that pure water is not conducting, but a solution of an electrolyte is conducting
Read More
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K5-34: THERMAL COEFFICIENT OF RESISTANCE IN COPPER
Show that the resistance of copper changes linearly with temperature Read More
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K5-35: RESISTORS AT LN TEMPERATURE
Illustrate materials with both positive and negative temperature coefficients of resistivity Read More
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K5-36: RESISTORS AT LN TEMPERATURE - LIGHT BULB INDICATOR
Demonstrate materials with both positive and negative temperature coefficients of resistance Read More
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K5-41: V-I CURVES FOR OHMIC AND NON-OHMIC DEVICES
Illustrate resistive properties of resistors and diodes Read More
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K5-42: TRANSISTOR
Demonstrate a transistor circuit Read More
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K5-43: NON-OHMIC DEVICE - V VS. I
Demonstrates the non-linearity of the V vs I curve for a diode
Read More
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K5-44: NON-OHMIC DEVICE - LIGHT BULB
Show the change in resistance of a light bulb with temperature Read More
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K5-45: SEMICONDUCTOR MODEL
Model of semiconductor Read More
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