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Resistance
K6-52: IMPEDANCE MATCHING - BATTERY AND JOULEMETER
Category:
K6 Electric Circuits and Instruments
Purpose
:
Demonstrate that the power transmission is maximized when the source impedance and the load impedance are equal.
K6-35: VOLTAGE DIVIDER
Category:
K6 Electric Circuits and Instruments
Purpose
:
Show how a voltage divider can be used to produce any voltage up to the maximum of the source.
K6-33: WHEATSTONE BRIDGE
Category:
K6 Electric Circuits and Instruments
Purpose
:
Demonstrate operation of a Wheatstone bridge.
K6-32: POTENTIOMETER
Category:
K6 Electric Circuits and Instruments
Purpose
:
Find an unknown EMF using a voltage divider.
K6-22: ENERGY CONVERSION - IMMERSION HEATER
Category:
K6 Electric Circuits and Instruments
Purpose
:
Demonstrate quantitatively the conversion of electrical energy into heat.
K6-21: HEATING IN CURRENT-CARRYING WIRE
Category:
K6 Electric Circuits and Instruments
Purpose
:
Show the conversion of electrical energy into heat.
K5-45: SEMICONDUCTOR MODEL
Category:
K5 Electrical Properties of Matter
Purpose
:
Model of semiconductor.
K5-44: NON-OHMIC DEVICE - LIGHT BULB
Category:
K5 Electrical Properties of Matter
Purpose
:
Show the change in resistance of a light bulb with temperature.
K5-41: V-I CURVES FOR OHMIC AND NON-OHMIC DEVICES
Category:
K5 Electrical Properties of Matter
Purpose
:
Illustrate resistive properties of resistors and diodes.
K5-34: THERMAL COEFFICIENT OF RESISTANCE IN COPPER
Category:
K5 Electrical Properties of Matter
Purpose
:
Show that the resistance of copper changes linearly with temperature.
K5-36: RESISTORS AT LN TEMPERATURE - LIGHT BULB INDICATOR
Category:
K5 Electrical Properties of Matter
Purpose
:
Demonstrate materials with both positive and negative temperature coefficients of resistance.
K5-32: RESISTANCE VS DIAMETER AND LENGTH
Category:
K5 Electrical Properties of Matter
Purpose
:
Determine how resistance varies as a function of diameter and length for the same material.
K5-35: RESISTORS AT LN TEMPERATURE
Category:
K5 Electrical Properties of Matter
Purpose
:
Illustrate materials with both positive and negative temperature coefficients of resistivity.
K5-13: ELECTRIC CURRENT - MODEL
Category:
K5 Electrical Properties of Matter
Purpose
:
Indicate how electrons really flow through a conductor.
J7-12: CURIE POINT OF IRON
Category:
J7 Magnetic Materials
Purpose
:
Show the Curie point of iron.
I7-21: SUPERCONDUCTOR - MAGNET LEVITATION
Category:
I7 Solid State and Low Temperature Physics
Purpose
:
Demonstrate levitation of a magnet above a high-temperature superconductor
K5-43: NON-OHMIC DEVICE - V VS. I
Category:
K5 Electrical Properties of Matter
Purpose
:
Demonstrates the non-linearity of the V vs I curve for a diode
K5-33 CONDUCTIVITY OF SALT SOLUTION
Category:
K5 Electrical Properties of Matter
Purpose
:
Shows that pure water is not conducting, but a solution of an electrolyte is conducting
K5-31 OHM'S LAW
Category:
K5 Electrical Properties of Matter
Purpose
:
Demonstrates relationship between current, voltage, and resistance
K4-07 BICYCLE GENERATOR
Category:
K4 Motors and Generators
Purpose
:
Demonstrates a 110 VAC magnetoelectric generator, and the relationship of work to power output
A General Materials and Mathematics
A1 Basic Materials and Measurement
A2 Mathematics
B Statics
B1 Center of Mass Statics
B2 Equilibrium of Forces and Torques
B3 Simple Machines
B4 Elasticity
C Kinematics and Dynamics
C1 Center of Mass Motion
C2 Kinematics in One and Two Dimensions
C3 First Law of Motion
C4 Second Law of Motion
C5 Third Law of Motion
C6 Friction
C7 Collisions
C8 Mechanical Energy and Power
D Rotational Mechanics
D1 Rotational Kinematics and Dynamics
D2 Moment of Inertia
D3 Angular Momentum
D4 Gyroscopes
D5 Rotational Esoterica
E Gravitation and Astronomy
E1 Gravitation and Orbits
E2 Astronomy
F Fluid Mechanics
F1 Pressure in Static Fluids
F2 Buoyancy
F3 Surface Tension
F4 Fluid in Motion
F5 Forces in Moving Fluids
G Vibrations and Mechanical Waves
G1 Simple Harmonic Motion
G2 Resonance and Coupled Oscillations
G3 Mechanical Waves - One Dimensional
G4 Mechanical Waves - Two Dimensional
H Sound
H1 Nature of Sound
H2 Wave Properties of Sound
H3 Standing Sound Waves
H4 Music
H5 The Ear
H6 The Voice
I Thermodynamics
I1 Thermal Properties of Matter
I2 Transfer of Heat
I3 Gases
I4 Changes of State
I5 Laws of Thermodynamics
I6 Kinetic Theory and Statistical Mechanics
I7 Solid State and Low Temperature Physics
J Electostatics and Magnetostatics
J1 Electrostatic Charge and Force
J2 Electrostatic Devices and Applications
J3 Electric FIelds and Potential
J4 Capacitance and Polarization
J5 Magnetostatics
J6 Electromagnets
J7 Magnetic Materials
K Electromagnetic Principles
K1 Forces on Moving Charges
K2 Electromagnetic Induction
K3 Transformers
K4 Motors and Generators
K5 Electrical Properties of Matter
K6 Electric Circuits and Instruments
K7 RLC Circuits
K8 Electromagnetic Waves and Sources
L Geometrical Optics
L1 Light Sources and Light Rays
L2 Plane Mirrors
L3 Curved Mirrors
L4 Refraction
L5 Total Internal Reflection
L6 Lenses
L7 Optical Instruments
M Wave Optics
M1 Interference and Diffraction - Slits and Gratings
M2 Diffraction - Circular
M3 Interferometers
M4 Thin Film Interference
M5 Interference and Diffraction Esoterica
M6 Holograms
M7 Linear Polarization and Scattering
M8 Optical Activity and Birefringence
M9 Circular Polarization
N Spectra and Color
N1 Continuous Spectra
N2 Line Spectra
N3 Color
O Vision
O1 Image Production
O2 Visual Latency
O3 Color Vision
O4 Optical Illusions
P Modern Physics
P1 Relativity
P2 Quantum Mechanics
P3 Atoms and Molecules
P4 Nuclei and Particles
Q Biophysics
Q1 Musculoskeletal Systems
Q2 Organs
Q3 Genetics and Molecular Biology
M1-01: LASER DIFFRACTION - FIXED SINGLE SLIT
Demonstrate single slit diffraction.
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M1-02 LASER DIFFRACTION - VARIABLE SINGLE SLIT
Demonstrates single slit diffraction
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M1-04: LASER DIFFRACTION - WIRES
Show diffraction by wires of different size.
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M1-05: FINGERS AND SODIUM SOURCE - VARIABLE SINGLE SLIT
See single slit diffraction.
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M1-06: LASER DIFFRACTION - HUMAN HAIR
Demonstrate laser diffraction with a human hair.
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M1-11 LASER DIFFRACTION - FIXED DOUBLE SLITS
Demonstrates double slit interference
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M1-12: INTERFERENCE - TRANSPARENCIES
Analog to the interference pattern from two identical light sources.
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M1-13: INTERFERENCE - KLINGER TRANSPARENT SLIDES
Model interference between two point sources.
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M1-14: MICROWAVES - INTERFERENCE OF TWO POINT SOURCES
Demonstrate interference using microwaves.
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M1-15: MICROWAVES - YOUNG'S DOUBLE SLIT INTERFERENCE
Illustrate two-slit interference using microwaves.
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M1-16: INTERFERENCE OF LIGHT - SOUND WAVE MODEL
Show explicitly how two waves with the same amplitude and frequency will interfere when their relative phase changes.
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M1-21: LASER DIFFRACTION - MULTIPLE SLITS
Show the transition from one slit to multiple slits and the diffraction grating.
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M1-22: LASER DIFFRACTION - GRATINGS
Demonstrate diffraction (well, actually interference) by a grating.
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M1-32: SLITFILMS AND LONG FILAMENT BULB
Diffraction and interference by various slits and combinations of slits.
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M1-33: LASER DIFFFRACTION - PHONOGRAPH RECORD
Demonstrate interference of a laser beam by a type of grating.
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M1-34: LASER DIFFRACTION - COMPACT DISC
Demonstrate interference of a laser beam by a type of grating.
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M1-35: LASER DIFFRACTION - VIDEODISC
Demonstrate diffraction of a laser beam by a standard videodisc.
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M1-41: PEACOCK FEATHER
Demonstrate a type of iridescence.
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M1-42: IRIDESCENT GREEN JUNE BEETLE
Demonstrate a type of iridescence.
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