Below are a sample some popular demonstrations used in a particular class. Consider using these in your classes, or learn more about a demo you saw while taking that class.
PHYS270 Demonstrations - List
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C5-14 ROCKET TRIKE
Demonstrate Newton's third law of motion Read More
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G3-01 SHIVE WAVE MACHINE - TRAVELING WAVES
Demonstrates traveling waves Read More
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G3-02: SHIVE WAVE MACHINE - SUPERPOSITION OF PULSES
Demonstrate constructive and destructive interference using pulses. Read More
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G3-03: SHIVE WAVE MACHINE - REFLECTION OF PULSES
Demonstrate reflection of pulses from fixed ends and free ends. Read More
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G3-04: SHIVE WAVE MACHINE - STANDING WAVES
Demonstrate standing waves. Read More
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G3-28 SUSPENDED SLINKY
Shows longitudinal and transverse traveling waves & standing waves Read More
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H2-21 AUDIBLE YOUNG'S EXPERIMENT - GROUP LISTENING
Demonstrates interference of sound waves with two coherent sources Read More
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H4-51: MODULATION - AM AND FM
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J1-12: INDUCTION - ELECTROSCOPE
Demonstrate charging by induction. Read More
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J1-21 ELECTROSTATIC ATTRAC AND REPULS - CHARGED CYLINDERS
Demonstrates electrostatic attraction and repulsion Read More
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J4-32 DISCHARGE OF CAPACITOR WITH BANG
Demonstrates that capacitors store electrical energy Read More
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J5-01 MAGNETIC FIELD OF A BAR MAGNET
Visualize the magnetic field around a bar magnet Read More
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J5-04: MAGNETS
Show various magnets Read More
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J5-05: MAGNET MODEL - FIELD LINES
Visualize the magnetic field of a bar magnet. Read More
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J5-06 MAGNET - BROKEN BUT NO MONOPOLE
Demonstrates that magnet poles come in pairs Read More
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J5-11: MAGNETIC FIELD - EME SET - STRAIGHT WIRE
Visualize the magnetic field around a straight wire. Read More
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J5-13: MAGNETIC FIELD - EME SET - SOLENOIDS
Visualize the magnetic field around a solenoid. Read More
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J5-14 MAGNETIC FIELD AROUND SINGLE AND PARALLEL WIRES
Visualize the magnetic fild around a wire and near two wires carrying opposite currents Read More
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J5-15: MAGNETIC FIELD OF A RING OF CURRENT - MODEL
Model the geometry for the magnetic field along the axis of a ring of current Read More
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J5-16 MAGNETIC FIELD OF WIRE, LOOP, SOLENOID
Visualize magnetic field lines for simple current configurations Read More
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J5-18: OERSTED EXPERIMENT
Demonstrates that magnetic fields are generated around current-carrying wires Read More
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J5-20 OERSTED EXPERIMENT- LARGE COIL AND COMPASS
Demonstrates that magnetic fields are generated around current-carrying wires Read More
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J5-30: OMEGA LEVITRON
Show an interesting demonstration of magnetism. Read More
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J5-32: MAGNETIC LEVITATION - PERMANENT MAGNET AND ELECTROMAGNET
Demonstrate magnetic levitation. Read More
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J5-33 TORQUE ON A BAR MAGNET
Demonstrates the torque on a bar magnet in a magnetic field Read More
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J5-35: MAGNETS INTERACTING ON PIVOTS
Show the interaction between two bar magnets Read More
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J5-36: MAGNETIC SPINNER
Demonstrate magnetic levitation. Read More
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J5-51: GAUSSMETER
Demonstrate use of a gaussmeter Read More
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J6-01: ELECTROMAGNET WITH BANG
Illustrate the force which can be exerted by a small electromagnet. Read More
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J6-31: FORCE ON SOLENOID CORE
Demonstrate the force exerted on the core of an electromagnet. Read More
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J6-33: ELECTROMAGNETIC GUN
Demonstrate the force on a solenoid core, and to contrast forces on magnetic and non-magnetic cores. Read More
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J7-11 PARAMAGNETISM AND DIAMAGNETISM
Demonstrates paramagnetic and diamagnetic materials Read More
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J7-14: CURIE POINT OF DYSPROSIUM
Show the Curie point of dysprosium, a normally non-magnetic material. Read More
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J7-21: HYSTERESIS
Demonstrate the hysteresis loop for an iron transformer core Read More
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J7-23: MAGNETIC DOMAINS - MODEL
Model the behavior of a magnetic material in a magnetic field. Read More
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K1-02: FORCE BETWEEN CURRENT-CARRYING WIRES - PROJECTION
Demonstrates the force between two adjacent parallel current-carrying wires Read More
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K1-03 FORCE ON CURRENT IN MAGNETIC FIELD
Demonstrates force on a current-carrying wire in a magnetic field Read More
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K1-05: FORCE BETWEEN CURRENT-CARRYING COILS
Demonstrate that current-carrying coils produce magnetic fields and interact like bar magnets Read More
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K1-12 CATHODE-RAY TUBE - DEFLECTION BY MAGNET
Demonstrates the force on an electron beam by a magnetic field Read More
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K1-21 TORQUE ON CURRENT LOOP IN MAGNETIC FIELD
Demonstrates the torque on a current loop in a magnetic field Read More
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K1-22 TORQUE ON 500-TURN COIL IN MAGNETIC FIELD
Demonstrates the torque on a current loop in a magnetic field Read More
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K1-23: TORQUE ON CURRENT LOOP - MODEL
Model torque on a current loop due to magnetic field. Read More
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K2-01 EARTH INDUCTOR
Induces an emf by moving a coil through Earth's magnetic field Read More
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K2-02 INDUCTION IN A SINGLE WIRE
Demonstrates magnetic induction Read More
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K2-03 FARADAY'S EXPERIMENT ON INDUCTION
Demonstrates the induction between two coils Read More
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K2-04 FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS
Shows that the induced current is proportional to the number of turns in the secondary coil Read More
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K2-05: FARADAY'S EXPERIMENT - CONCENTRIC COILS
Demonstrate mutual induction. Read More
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K2-11: SELF-INDUCTION
Demonstrate self-induction Read More
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K2-22 INDUCTION COIL WITH LIGHT BULB
Demonstrates megnetic induction with 110 VAC Read More
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K2-25: MUTUAL INDUCTION - DEMOUNTABLE TRANSFORMER
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K2-41: LENZ'S LAW - ROLLING RODS
Demonstrate eddy currents and Lenz's law Read More
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K2-42 LENZ'S LAW - MAGNET IN ALUMINUM TUBE
Demonstrates Lenz's law Read More
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K2-43: LENZ'S LAW - PERMANENT MAGNET AND COILS
Demonstrate Lenz's law Read More
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K2-44 EDDY CURRENT PENDULUM
Shows the damping of pendula due to eddy currents Read More
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K2-45: EDDY CURRENTS - MAGNET AND SOFT DRINK CAN
Demonstrate eddy currents and Lenz's law. Read More
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K2-48: EDDY CURRENT MOTOR`
Show the use of eddy currents in producing a motor with few moving parts and no electrical brushes. Read More
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K2-61 THOMSON'S COIL
Demonstrates a number of concepts in magnetic induction Read More
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K2-62 CAN SMASHER - ELECTROMAGNETIC
Blasts a soda can into two pieces using electromagnetism Read More
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K2-63: DISPLACEMENT CURRENT MODEL
Illustrate the geometry for displacement current Read More
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K2-65: INDUCTION AND CAPACITOR FLASHLIGHT
Demonstrate a weird but high-tech method for constructing a flashlight. Read More
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K4-02 MAGNETOELECTRIC GENERATOR WITH LAMP
Demonstrates a small 110 VAC magnetoelectric generator Read More
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K4-21: ST. LOUIS MOTOR
Demonstrate the structure and operation of a simple motor Read More
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K7-01: RL CIRCUIT - 50 MICROSECOND TIME CONSTANT
Illustrate RL time constant. Read More
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K7-02 RL CIRCUIT - L/R TIME CONSTANT
Shows L/R time constant for a slow circuit Read More
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K7-03 INDUCTOR DELAYING A LAMP
Demonstrates the timing of current in a switched inductor circuit Read More
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K7-04: RL CIRCUIT - FIELD COLLAPSE WITH FLUORESCENT BULB
Demonstrate the magnitude of induced voltage Read More
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K7-22: RLC CIRCUIT - 10 KHZ - DAMPED OSCILLATIONS
Demonstrate damped oscillations in an RLC circuit. Read More
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K7-27: RLC CIRCUIT - COMPLETE
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K8-01 ELECTROMAGNETIC WAVE - MODEL
Shows the relationship between the electric and magnetic field vectors in a plane-polarized traveling electromagnetic wave Read More
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K8-11: MICROWAVES - STANDING WAVES
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K8-12: RADIOWAVES - STANDING WAVES
Demonstrate standing waves using radio waves Read More
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K8-13: RADIOWAVES - LECHER WIRE STANDING WAVES
Illustrate standing electromagnetic waves in a high-impedance transmission line Read More
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K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN
Demonstrates transmission of energy in electromagnetic waves. Shows the radiation pattern of the dipole antenna Read More
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K8-45 RADIO WAVES FROM SPARK
Demonstrates that a spark contains radio waves Read More
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K8-51: MICROWAVE OVEN
Demonstrate operation and experimentation with a microwave oven Read More
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L1-11: INVERSE SQUARE LAW - LIGHT BULB AND RADIOMETER
To demonstrate that light obeys the inverse square law. Read More
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L2-01 OPTICAL BOARD - PLANE MIRROR
Demonstrates reflection from a plane mirror Read More
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L2-05 PERVERTED IMAGE - AXES IN MIRROR
Investigation of the nature of images from a plane mirror Read More
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L2-06 MAGIC TRICK - DISAPPEARING RABBIT
Magic trick using a plane mirror Read More
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L2-22: INFINITY MIRROR
Illusion with half-silvered mirror Read More
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L2-25: LIGHT BULB IN WATER
To do a magic trick using partially reflected light Read More
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L2-27: Infinity Mirror - Portable
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L2-61: MIRROR TILES WITH LIGHT BULB
Show multiple reflections using two mirrors Read More
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L2-62: MULTIPLE REFLECTIONS WITH MIRROR TILES
To show multiple reflections in a three-dimensional system of mirrors Read More
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L3-01: OPTICAL BOARD - CONVEX SPHERICAL MIRROR
To show reflection of light rays from a convex mirror. Read More
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L3-03 LARGE CONVEX MIRROR (60cm)
Shows the image from a convex mirror Read More
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L3-11: OPTICAL BOARD - CONCAVE SPHERICAL MIRROR
To illustrate reflection from a concave spherical mirror. Read More
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L3-16 FOCUSING OF HEAT WAVES BY MIRRORS
Demonstrates that concave mirrors can focus heat waves Read More
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L3-31 GIANT 160cm MIRROR - CONCAVE AND CONVEX
Demonstrates images from concave and convex mirrors Read More
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L3-33: VANITY MIRROR
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L4-01 OPTICAL BOARD - RECTANGULAR SLAB
Demonstrates refraction. Shows displacement of rays in a uniform slab of glass Read More
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L4-04: REFRACTION - CAN IN WATER TANK
To illustrate refraction. Read More
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L4-23 BENDING OF LASER BEAM IN SUGAR SOLUTION
Demonstrates a medium with a continually varying index of refraction Read More
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L5-01: OPTICAL BOARD - TOTAL INTERNAL REFLECTION
To demonstrate total internal reflection and the critical angle. Read More
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L5-02: TOTAL INTERNAL REFLECTION IN LONG TANK
To demonstrate total internal reflection of a laser light. Read More
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L5-11 LASER WATERFALL
Demonstrates total internal reflection of a laser beam in a water jet Read More
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L5-12 PLEXIGLASS SPIRAL
Demonstrates total internal reflection Read More
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L5-14: LASER AND PLEXIGLASS TUBE
Illustrate total internal reflection in a colorful manner Read More
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L5-23 FIBER OPTICS TREE
Demonstrates total internal reflection Read More
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L6-01: OPTICAL BOARD - CONVERGING SPHERICAL LENS
Show focusing of a spherical (cylindrical) convex lens Read More
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L6-04: OPTICAL BOARD - RAY DIAGRAM - REAL IMAGE POS LENS
Use principal rays to locate a real image produced by a convex lens Read More
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L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB
Show the real image of a converging lens Read More
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L6-09: REAL IMAGE OF CONVERGING LENS
Show the systematics of real image formation by a converging lens Read More
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L6-12 MAGNIFYING LENS IN WATER
Shows that focal properties of a lens depend on the medium in which the lens is located Read More
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M1-01: LASER DIFFRACTION - FIXED SINGLE SLIT
Demonstrate single slit diffraction. Read More
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M1-02 LASER DIFFRACTION - VARIABLE SINGLE SLIT
Demonstrates single slit diffraction Read More
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M1-04: LASER DIFFRACTION - WIRES
Show diffraction by wires of different size Read More
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M1-06: LASER DIFFRACTION - HUMAN HAIR
Demonstrate laser diffraction with a human hair Read More
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M1-11 LASER DIFFRACTION - FIXED DOUBLE SLITS
Demonstrates double slit interference Read More
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M1-34: LASER DIFFRACTION - COMPACT DISC
Demonstrate interference of a laser beam by a type of grating Read More
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M1-35: LASER DIFFRACTION - VIDEODISC
Demonstrate diffraction of a laser beam by a standard videodisc Read More
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M2-01 LASER DIFFRACTION - PINHOLES
Demonstrates laser diffraction by pinholes Read More
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M2-02: LASER DIFFRACTION - OPAQUE DISCS
Demonstrate laser diffraction by opaque discs Read More
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M3-01 MICHELSON INTERFEROMETER - LASER LIGHT
Shows laser light fringes using a Michelson interferometer Read More
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M3-02: MICHELSON INTERFEROMETER - WHITE LIGHT
Show white light fringes using a Michelson interferometer Read More
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M4-02: NEWTON'S RINGS - PROJECTION
Demonstrate a well-known interference pattern Read More
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M5-03: LASER DIFFRACTION - OPTICAL CRYSTALS
Two dimensional diffraction patterns with crystal symmetries Read More
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M5-04: LASER DIFFRACTION - EXOTIC ARRAYS
Show diffraction by arrays of complex figures Read More
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M6-01: HOLOGRAM - LASER LIGHT - VOLKSWAGEN
View a laser light hologram Read More
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M6-02: HOLOGRAM - LASER LIGHT - THE SCIENTIST
View a laser light hologram Read More
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M6-13: HOLOGRAM - MULTIPLEX - KING KONG
Walk-by multiplex hologram Read More
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M6-23 HOLOGRAM - REFLECTION - OWLS
White light reflection hologram Read More
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M6-24: HOLOGRAM - REFLECTION - WEREWOLF
White light reflection hologram Read More
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M7-07: THREE CROSSED POLAROIDS - E FIELD COMPONENTS
Demonstrate that electric fields are vectors Read More
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M7-17: REFLECTION OF LIGHT FROM DIELECTRIC AND CONDUCTOR
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M7-31 TYNDALL'S EXPERIMENT - COLLOIDAL SUNSET
Colloidal sunset demonstration Read More
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N1-01: PRISMATIC SPECTRUM OF WHITE LIGHT - POINT SOURCE
Demonstrate continuous spectrum Read More
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N2-03: DIFFRACTION SPECTRUM OF SODIUM - EXPENDABLE GRATINGS
High-pressure sodium lamp shows both emission and absorption line spectra Read More
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N2-04: DIFFRACTION SPECTRUM OF SODIUM - PROJECTION
Projected line diffraction spectrum of high-pressure sodium lamp Read More
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N2-06: DIFFRACTION SPECTRUM OF MERCURY - SUPERPRESSURE LAMP
Projected line diffraction spectrum of high-pressure mercury lamp Read More
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N3-23: COLOR PERCEPTION WITH DYES AND FILTERS
Compare colors and spectra of dyes and filters. Read More
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P1-02: LOCAL INERTIAL FRAME OF REFERENCE
Illustrates an inertial frame of reference Read More
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P1-11: CURVATURE OF SPACE
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P1-13: Curvature of Spacetime Fabric - Large
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P2-02: PHOTOELECTRIC EFFECT IN ZINC - ARC LAMP
Demonstrate the emission of photoelectrons. Read More
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P2-06 PHOTOELECTRIC TRUCK
Demonstrates solar cells Read More
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P2-11: INTERFERENCE OF PHOTONS
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P2-13: ELECTRON DIFFRACTION
Demonstrates the wave properties of electrons Read More
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P2-22 BICHSEL BOXES - BLACK BODY RADIATION
Demonstrates Wien's law of radiation Read More
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P2-41: POTENTIAL WELL - HILL TRACK MODEL
Illustrate the concept of a quantum mechanical potential well. Read More
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P4-04: COSMIC RAYS
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