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786 results
1:
Mechanics
(91)
1D:
Motion In Two Dimensions
(15)
1D10:
Displacement in Two Dimensions
(1)
1D10.20
Cycloid disk draws path on chalkboard.
1D15:
Velocity, Position, and Acceleration
(2)
1D15.20
Equal path lengths ball race.
1D15.55
Brachistochrone: Three balls falling along different trajectories.
1D50:
Central Forces
(5)
1D50.10
A ball swung on a string held by a sleeve.
1D50.25
Conical pendulum: Similar to A+0+35 with standard weights.
1D50.40
Swing water in a bucket.
1D50.60
Banked turns: slot car around an oval track
1D50.70
Rotating loop of chain rolls across bench.
1D52:
Deformation by Central Forces
(3)
1D52.10
Flattening of the earth: Rotating brass hoops.
1D52.35
Mercury and colored water in a rotating glass vessel.
1D52.40
Candles rotating about an axis.
1D60:
Projectile Motion
(4)
1D60.10
Ballistics car: Ball ejected from rolling car drops back in.
1D60.20
Dropped and shot balls hit bench simultaneously.
1D60.30
The Hunter
1D60.65
Water projector: Adjustable angle water jet in front of grid.
1N:
Linear Momentum And Collisions
(11)
1N10:
Impulse and Thrust
(1)
1N10.55
Waveguide pieces to show.
1N20:
Conservation of Linear Momentum
(2)
1N20.25
Airtrack: Long track with two gliders coupled by a spring hoop.
1N20.30
Balls of equal and unequal mass on strings, separated by a leaf spring.
1N22:
Rockets
(3)
1N22.20
Rocket is filled with water and compressed air and launched vertically.
1N22.30
Carbon dioxide propelled rocket flies across room on wire.
1N22.33
Carbon dioxide propelled rotational device.
1N30:
Collisions in One Dimension
(3)
1N30.10
Elastic collisions: Five hanging balls and two unequal hanging balls.
1N30.15
Elastic collisions: Seven steel balls roll on a wooden track.
1N30.30
Three meter airtrack with gliders that rebound elastically, or stick.
1N40:
Collisions in Two Dimensions
(2)
1N40.10
Executive size pool table
1N40.21
Plastic pucks on air table.
1K:
Applications Of Newton's Laws
(5)
1K10:
Dynamic Torque
(3)
1K10.30
Rolling spool: String on spool is pulled at various angles.
1K10.30
Static equilibrium for a rope on a spool. Same as A+55+5.
1K10.50
Disk (weighted off-center) rolls up inclined plane.
1K20:
Friction
(2)
1K20.15
Weighted wood block dragged horizontally by force sensor.
1K20.35
Blocks, with various surfaces slide on an inclined plane.
1Q:
Rotational Dynamics
(12)
1Q10:
Moment of Inertia
(2)
1Q10.20
Large torsion pendulum with different diameter rods.
1Q10.40
Two disks, one weighted in center and other on rim, roll down ramp.
1Q30:
Transfer of Angular Momentum
(1)
1Q30.25
Rotational inertia device: Sliding weights on rotating rod.
1Q40:
Conservation of Angular Momentum
(4)
1Q40.10
Rotating chair with dumbbells or weighted bicycle wheel.
1Q40.11
Minor's apparatus: Movable discs rotated by falling weight.
1Q40.23
Mechanical governor device.
1Q40.40
Train on circular track moves one way and track moves the other.
1Q50:
Gyros
(3)
1Q50.40
Large gyroscope in a suitcase.
1Q50.54
Sire's Polytrope.
1Q50.90
Maxwell's top, has adjustable center of gravity.
1Q60:
Rotational Stability
(2)
1Q60.15
Large conical aluminum top.
1Q60.50
Chain lariat with hand drill or electric rotator.
1M:
Work And Energy
(10)
1M20:
Simple Machines
(3)
1M20.10
Block and tackle.
1M20.11
Pulley sets.
1M20.20
Block and tackle: Bosun's chair.
1M40:
Conservation of Energy
(7)
1M40.10
Bowling ball pendulum swings back to nose.
1M40.20
Loop the loop: Sphere, hoop, disk rolled down a looped track.
1M40.40
.22 rifle fires vertically, bullet lifts small wood cylinder.
1M40.40
Ballistic pendulum: Suspended .22 rifle fires into suspended block.
1M40.41
Inelastic collisions: Another ballistic pendulum.
1M40.50
Maxwell's wheel: Flywheel with axle, supported on strings or stand.
1M40.95
The Trebuchet
1J:
Statics Of Rigid Bodies
(11)
1J10:
Finding Center of Gravity
(3)
1J10.09
Rotation about the center of mass: Object to throw.
1J10.12
Irregular shapes to determine center of mass using plumb bob.
1J10.26
Center of mass of a baseball bat
1J30:
Resolution of Forces
(3)
1J30.10
Car hangs balanced by forces in mid-air over removable inclined plane.
1J30.51
Force table: Forces on a car on an adjustable inclined plane.
1J30.53
Force table: Forces on a car on a horizontal table.
1J40:
Static Torque
(5)
1J40.15
Torque wrench to demonstrate.
1J40.20
A meterstick lever on a free-standing fulcrum with weights.
1J40.25
Precision lever: Balance beam on stand plus weight set.
1J40.70
Forces on crane boom measured with transducer.
1J40.75
Anatomical models: Skull, Arm, Leg
1C:
Motion In One Dimension
(6)
1C10:
Velocity
(2)
1C10.21
Electric winch tows car at constant speed.
1C10.27
Airtrack: Glider passes "start" and "stop" gates on digital timer.
1C20:
Uniform Acceleration
(3)
1C20.10
"Coin and Feather" fall in an evacuated rotatable tube.
1C20.30
Inclined airtrack with gliders and timing gates.
1C20.31
Acceleration of a steel ball down an inclined plane with metronome.
1C30:
Measuring G
(1)
1C30.10
Timed free fall: Ball drops 2 meters through electronic timing gate.
1A:
Measurement
(2)
1A40
(2)
1A40.10
X,Y,Z-coordinate system with vector arrows.
1A40.10
Vector arrows of various sizes and colors fit in wooden bases.
1G:
Newton's Second Law
(4)
1G10:
Force, Mass, and Acceleration
(2)
1G10.10
A falling weight accelerates a car horizontally.
1G10.40
Atwood machine: Unbalanced weights on a pulley accelerate slowly.
1G20:
Accelerated Reference Frames
(2)
1G20.60
Film loop: "Inertial forces:Translational acceleration", 2:05 min.
1G20.76
Cork float accelerometer: Cork and water in sealed flask.
1R:
Properties Of Matter
(8)
1R10:
Hooke's Law
(2)
1R10.10
Standard pan balance with assorted weights.
1R10.10
Weight on a vertical spring with markers on stand.
1R20:
Tensile and Compressive Stress
(2)
1R20.15
Young's modulus of elasticity: Weight stretches wire.
1R20.70
Prince Rupert's Drops.
1R30:
Shear Stress
(1)
1R30.20
Shear: Foam block.
1R40:
Coefficient of Restitution
(1)
1R40.10
Elasticity: Balls bouncing on steel or glass cylinder.
1R50:
Crystal Structure
(2)
1R50.20
Wave surfaces of crystals.
1R50.30
Assorted crystals to show.
1L:
Gravity
(2)
1L10:
Universal Gravitational Constant
(2)
1L10.10
Film loop: "The Cavendish experiment", 4:25 min.
1L10.30
The Cavendish experiment: Model and actual apparatus to show.
1F:
Newton's First Law
(4)
1F20:
Inertia of Rest
(4)
1F20.10
Breaking thread above and below weight.
1F20.25
Bed of nails
1F20.30
Tablecloth yanked out from under dishes.
1F20.34
Card snapped from under a weight by a leaf spring.
1H:
Newton's Third Law
(1)
1H10:
Action and Reaction
(1)
1H10.10
Two people in rolling chairs pushing and pulling
2:
Fluid Mechanics
(29)
2C:
Dynamics Of Fluids
(12)
2C10:
Flow Rate
(1)
2C10.10
Water in vertical standpipe with holes at different heights.
2C20:
Forces in Moving Fluids
(7)
2C20.10
Venturi meter: Manometer tubes on tapered wind tunnel tube.
2C20.15
Glass standpipes with a constriction. Similar to C+25+10.
2C20.20
Glass aspirator: Compressed air draws colored water up glass tube.
2C20.30
Bernoulli's principle: Ball suspended in air stream.
2C20.35
Compressed air through funnel sucks in ball.
2C20.53
Two roof models, hinged, placed in wind stream.
2C20.80
Flettner rotorcar blown with fan.
2C30:
Viscosity
(1)
2C30.10
Viscosity of air: One rotating disk drives another.
2C40:
Turbulent and Streamline Flow
(1)
2C40.63
Video camera shows fluid flow around various objects.
2C50:
Vorticies
(2)
2C50.15
Airzooka
2C50.30
A water vortex in two soda bottles joined vertically.
2B:
Statics Of Fluids
(14)
2B20:
Static Pressure
(4)
2B20.10
Revolving 'drumhead' with manometer shows pressure in water tank.
2B20.40
Interconnected set of glass vases of different shapes.
2B20.42
Pascal's vases: Water in removable vases with pressure gauge.
2B20.60
Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood.
2B30:
Atmospheric Pressure
(4)
2B30.25
Collapse 1 gallon metal can with vacuum pump.
2B30.30
Magdeburg's hemispheres(cast iron) evacuated, can't be separated.
2B30.36
Suction cup holds large mass suspended from heavy glass plate.
2B30.70
Vacuum Cannon
2B35:
Measuring Pressure
(2)
2B35.15
Torricelli Barometer: Column of mercury in bell jar.
2B35.40
Large model of aneroid barometer.
2B40:
Density and Buoyancy
(3)
2B40.20
Archimedes' principle: Cup and plug on balance beam.
2B40.30
Cartesian divers: Pressure on cap sends divers sinking.
2B40.40
The weight of air.
2B60:
Siphons, Fountains, Pumps
(1)
2B60.60
Hydraulic ram water pump, working model.
2A:
Surface Tension
(3)
2A10:
Force of Surface Tension
(1)
2A10.25
Wire sieve boat floats on water until alcohol is added.
2A20:
Capillary Action
(1)
2A20.10
Set of capillary tubes and dye on video camera.
2A30:
Surface Tension Propulsion
(1)
2A30.10
Soap boat or camphor boats in one meter square pan of water.
3:
Oscillations and Waves
(80)
3D:
Instruments
(18)
3D20:
Resonance in Strings
(1)
3D20.10
Sonometer: Resonant chamber with bowed strings (2).
3D30:
Resonance Cavities
(6)
3D30.35
Twirling Tube
3D30.40
Helmholtz resonators drive radiometer vanes, using tuning forks.
3D30.40
Helmholtz Resonators with tuning forks and a candle
3D30.50
Ruben's tube: Standing sound waves in flames along a large pipe.
3D30.60
Kundt's tube: Powder in tube shows standing waves.
3D30.70
Hoot Tube
3D32:
Air Column Instruments
(2)
3D32.10
Set of eight organ pipes to make a major scale.
3D32.25
Tunable organ pipe.
3D40:
Resonance in Plates, Bars, Solids
(7)
3D40.10
Xylophone.
3D40.20
Longitudinal wave apparatus: Ball bounces off end of stroked rod.
3D40.30
Chladni's disc: Bowed disk forms patterns in sprinkled salt.
3D40.31
Chladni's Figures: Vibrational modes of a metal plate
3D40.51
Large glass bowl with ping pong balls and violin bow.
3D40.55
Driven Harmonic Oscillations
3D40.55
Beaker is broken by sound from speaker.
3D46:
Tuning Forks
(2)
3D46.15
Tuning forks, various.
3D46.40
Giant tuning fork, barely audible, displayed with stroboscope.
3A:
Oscillations
(27)
3A10:
Pendula
(5)
3A10.10
Simple pendulum: Ball on a string.
3A10.10
Ball on string mounts on blackboard and pivots on lower rod.
3A10.14
Four pendulums on rod: Same mass, different lengths.
3A10.17
Four pendulums on rod: Same length, different masses.
3A10.30
Torsion pendulum with removable weights.
3A15:
Physical Pendula
(2)
3A15.20
Physical pendulum: Steel bar with two pivot points.
3A15.50
"Sweet Spot": Meterstick pivot point changes with point struck.
3A20:
Springs & Oscillators
(2)
3A20.10
Mass on a spring.
3A20.60
Ball rolling in a spherical dish on OHP.
3A40:
Simple Harmonic Motion
(1)
3A40.20
Ball on turntable rotates beneath synchronized pendulum .
3A50:
Damped Oscillators
(1)
3A50.10
Large damped oscillator (mass on spring) with various damping disks.
3A60:
Driven Mechanical Resonance
(7)
3A60.10
Film : "Tacoma Narrows bridge collapse",silent, 4 min.
3A60.24
Driven oscillations in a multiple spring-mass system.
3A60.40
Driven harmonic oscillator: Motor driven mass on spring.
3A60.50
Set of three coupled inverted pendulums on wood base.
3A60.50
Unbalanced spinning wheel vibrates spring steel reeds.
3A60.55
Clock spring oscillator: Electrically driven and damped.
3A60.60
Inverted pendulum.
3A70:
Coupled Oscillations
(5)
3A70.10
Wilberforce pendulum: Oscillates between rotation and up-down.
3A70.20
Two pendulums on a frame of flexible steel.
3A70.25
Two large pendulums coupled with spring.
3A70.31
Three large pendulums coupled with two springs.
3A70.35
Two balls hung on the same string, one in middle, one at the end.
3A80:
Lissajous Figures
(3)
3A80.21
Transparencies: Lissajous figures for OHP.
3A80.40
Lissajous figures with laser and two signal generators.
3A80.40
Lissajous Figures created with a two tuning forks with mirrors
3A95:
Non-Linear Systems
(1)
3A95.52
Chaotic pendulum.
3B:
Wave Motion
(25)
3B10:
Transverse Pulses and Waves
(6)
3B10.10
Rubber rope stretched across front of room.
3B10.10
Brass spring on white plastic sheet.
3B10.30
Torsional wave device, large or small.
3B10.30
Torsion wave model.
3B10.50
Transverse wave model, hand-cranked.
3B10.70
Transverse 3-dimensional wave model, hand-cranked.
3B20:
Longitudinal Pulses and Waves
(2)
3B20.10
Suspended slinky on threads for compression wave.
3B20.35
Longitudinal wave model, hand-cranked.
3B22:
Standing Waves
(2)
3B22.10
Rope and strobe: Transverse standing waves, motor driven.
3B22.60
Model of longitudinal standing wave, hand-cranked.
3B30:
Wave Properties of Sound
(4)
3B30.01
Ultrasound transducers (40 kHz) as both sources and receivers.
3B30.20
Measurement of speed of sound with microphone, speaker, oscilloscope.
3B30.30
Bell ringing in a jar evacuated with pump.
3B30.50
Breathe helium, voice pitch rises; breathe SF6, voice pitch lowers.
3B39:
Transfer of Energy in Waves
(1)
3B39.10
Mechanical water wave model, hand-cranked.
3B40:
Doppler Effect
(1)
3B40.10
Sonalert swung on the end of a string.
3B50:
Interference and Diffraction
(4)
3B50.10
Interference in a ripple tank uses arc lamp or incandescent light.
3B50.12
Ripple tank with plane or spherical water waves and barriers.
3B50.55
Large wood model of a double slit with hinged waves.
3B50.55
Large wood model of a double slit with hinged waves.
3B55:
Interference and Diffraction Of Sound
(2)
3B55.10
Interference of sound waves from two speakers, same generator.
3B55.40
Acoustic interference with Quincke (trombone) tube and sonalert.
3B60:
Beats
(2)
3B60.10
Beats with tuning forks on tuned cavities.
3B60.20
Beats from two speakers observed on an oscilloscope.
3B70:
Coupled Resonators
(1)
3B70.10
One tuning fork with tuned cavity, drives another.
3C:
Acoustics
(10)
3C10:
The Ear
(1)
3C10.10
Ear models.
3C20:
Pitch
(7)
3C20.15
Galton's whistle: Compressed air whistle.
3C20.16
Steel spring pendulum, inverted, vibrates at 10 Hz.
3C20.16
Limit of audibility: Set of rods that ring at different frequencies.
3C20.30
Siren: large, electric motor driven.
3C20.30
Compressed air jet blows through spinning disk with holes.
3C20.40
Savart's wheel: Toothed wheel and cardboard or air jet.
3C20.40
Sprockets on shaft rotate against a card to make sound.
3C50:
Wave Analysis and Synthesis
(2)
3C50.10
Fourier synthesis.
3C50.12
Casio electronic synthesizer with amp and speaker.
4:
Thermodynamics
(62)
4C:
Change Of State
(13)
4C10:
PVT Surfaces
(3)
4C10.10
P.V.T. surface model for water.
4C10.10
P.V.T. surface model for carbon dioxide.
4C10.30
Wall chart of isothermals.
4C20:
Phase Changes: Liquid-Solid
(4)
4C20.20
Ice bomb: Iron sphere ruptured by freezing water.
4C20.40
Freezing liquid Nitrogen.
4C20.45
CO2 fire extinguisher: Expanding gas freezes into snow.
4C20.53
Computer demo: Heat of fusion of tin.
4C30:
Phase Changes: Liquid-Gas
(2)
4C30.15
Triple Point demo: Water boils under vacuum making ice.
4C30.25
Hot water geyser, runs 5-10 min.
4C31:
Cooling by Evaporation
(1)
4C31.40
Dippy bird: Large glass bird containing ether oscillates.
4C32:
Dew Point and Humidity
(1)
4C32.11
Humidity: Hygrometers to show.
4C33:
Vapor Pressure
(1)
4C33.50
Franklin's pulse glass: Two glass bulbs and tube containing ether.
4C50:
Critical Point
(1)
4C50.40
Triple Point: Cooled water in sealed cell exhibits all three phases.
4B:
Heat And The First Law
(17)
4B10:
Heat Capacity and Specific Heat
(2)
4B10.10
Computer demo: Nesting can calorimeter, runs 3 min.
4B10.70
Ruchardt's tube: Ball oscillates in a vertical glass tube on jug.
4B20:
Convection
(2)
4B20.10
Heat water in "O" shaped tube adding a dye.
4B20.25
Cardboard strip drawn from glass tube extinguishes candle.
4B30:
Conduction
(2)
4B30.20
Set of metal rods: Heat-sensitive paint changes color.
4B30.40
Copper/wood cylinder wrapped with paper over bunsen burner.
4B40:
Radiation
(5)
4B40.10
Light the Match.
4B40.11
Concave mirrors focus candle flame on thermopile across bench.
4B40.11
Concave mirrors and horn thermopile senses candle across room.
4B40.14
Archimedes' principle: Aluminum and brass cylinders.
4B40.40
Computer demo: Kirchhoff's radiation law, runs 15 min.
4B50:
Heat Transfer Applications
(2)
4B50.20
Boiling water in paper cup; cup does not burn.
4B50.70
Copper gauze over flame; gas burns only above gauze.
4B60:
Mechanical Equivalent of Heat
(1)
4B60.70
Steam gun: Friction heated water in tube shoots a cork.
4B70:
Adiabatic Processes
(3)
4B70.10
Fire syringe: paper is ignited in a cylinder with a piston.
4B70.20
Cooling by expansion: Jar with water compressed with air.
4B70.31
Piston and cylinder compress/expand air measuring temp. and pressure.
4F:
Entropy And The Second Law
(8)
4F10:
Entropy
(4)
4F10.10
Drum in glycerine rotates to smear line of dye into a plane and back.
4F10.20
Ball race: Five different balls heated and placed on paraffin sheet.
4F10.20
Black balls and white balls in a box are shaken.
4F10.30
A vortex tube seperates compressed air into jets of hot and cold air.
4F30:
Heat Cycles
(4)
4F30.10
Operating Sterling cycle engine, gas powered.
4F30.10
Operating Sterling cycle engine, hot water powered.
4F30.50
Engine models: Steam, 4-cycle Otto.
4F30.95
Carnot cycle models: Piston/cylinder, PVT surface.
4D:
Kinetic Theory
(11)
4D10:
Brownian Motion
(2)
4D10.10
Brownian motion: Smoke particles viewed using TV camera.
4D10.20
Brownian motion: Like C+55+0, with an aluminum disk added.
4D20:
Mean Free Path
(3)
4D20.10
Crooke's radiometer with flashlight, arc lamp or IR source.
4D20.10
Crooke's radiometer with flashlight, arc lamp or IR source.
4D20.10
Crooke's radiometer with flashlight or IR source.
4D30:
Kinetic Motion
(5)
4D30.10
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D30.10
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D30.20
Mechanical model of a gas: Vibrating balls on OHP.
4D30.20
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D30.40
Stoekle's apparatus: Heated tube with mercury and glass bits.
4D50:
Diffusion & Osmosis
(1)
4D50.20
Osmosis of helium through semi-porous cup.
4A:
Thermal Properties Of Matter
(9)
4A10:
Thermometry
(2)
4A10.10
Measurement of temperature: Various types of thermometers.
4A10.50
Liquid Crystals: sheet changes colors with body temperature.
4A30:
Solid Expansion
(6)
4A30.10
Bimetallic strip: Brass/invar strip curves when heated.
4A30.11
Bimetallic switch: Change in temperature lights cold/hot lamps.
4A30.21
Ring and ball: Ball fits through ring only after ring is heated.
4A30.30
Heated steel rod expands, raises pointer,breaks pin on cooling.
4A30.60
Heated horizontal nichrome wire stretches, weight sags.
4A30.61
Heated iron wire stretches, rotates pointer.
4A40:
Properties of Materials at Low Temperature
(1)
4A40.90
Molecular models, ball and stick.
4E:
Gas Law
(4)
4E10:
Constant Pressure
(2)
4E10.11
Galileo's air thermometer forces liquid down when heated.
4E10.11
Galileo's air thermometer forces liquid down when heated.
4E20:
Constant Temperature
(1)
4E20.10
Boyle's Law: At constant T, Pressure times Volume is a constant.
4E30:
Constant Volume
(1)
4E30.10
Gay-Lussac's Law: At constant V, Pressure is proportional to Temperature.
5:
Electricity and Magnetism
(107)
5A:
Electrostatics
(10)
5A10:
Producing Static Charge
(3)
5A10.10
Braun and Leaf electroscopes.
5A10.20
Electrophorous: Cat fur on teflon, acetate on lucite.
5A10.35
Separation of charge using electrical tape and an electroscope.
5A20:
Coulomb's Law
(2)
5A20.20
Pith balls on thread, with positive and negative charged rods.
5A20.22
Attraction and repulsion of charged styrofoam balls.
5A40:
Induced Charge
(3)
5A40.16
Charging an electroscope by induction.
5A40.20
Like Charges Attract
5A40.70
Kelvin water drop electrostatic charge generator.
5A50:
Electrostatic Machines
(2)
5A50.10
Wimshurst machine, large or small.
5A50.30
Van de Graaff generator.
5C:
Capacitance
(6)
5C10:
Capacitors
(1)
5C10.10
Various capacitors to show.
5C20:
Dielectric
(2)
5C20.10
Parallel plate capacitor with dielectric materials and electroscope.
5C20.21
Force on a dielectric in a capacitor
5C30:
Energy Stored in a Capacitor
(3)
5C30.10
Various Leyden jars to show.
5C30.30
Discharging a capacitor through a lamp.
5C30.42
Series capacitor array.
5F:
DC Circuits
(9)
5F15:
Power and Energy
(2)
5F15.16
Watt's law: Variable resistor, glow coil, volt and amp meter.
5F15.35
High current melts the fuse wire.
5F20:
Circuit Analysis
(1)
5F20.55
Resistance boards: Series, parallel, Wheatstone bridge.
5F30:
RC Circuits
(6)
5F30.12
Visual charge/discharge of a capacitor through a load.
5F30.20
Computer demo: Charge/discharge of a capacitor, runs at least 1 min.
5F30.60
Oscillator made with resistor, capacitor and neon lamp.
5F30.60
Same as D+0+30 using oscilloscope to display waveform.
5F30.60
Oscillator with resistor, capacitor and neon lamp.
5F30.60
Same as D+55+12 using oscilloscope to display waveform.
5L:
AC Circuits
(7)
5L10:
Impedance
(1)
5L10.10
AC dimmer: Soft iron core in coil dims lamps.
5L20:
LCR Circuits AC
(4)
5L20.10
Phases of V and I in series circuit as RL shifts to RC.
5L20.11
LCR series resonance curve of V vs. F (2 - 20kHz) on an oscilloscope.
5L20.20
Resonance in a series LCR circuit using 120 v.a.c.
5L20.21
LCR paradox
5L30:
Filters and Rectifiers
(2)
5L30.10
P-N Junction as a rectifier: Current flows one way.
5L30.10
P-N Junction as a rectifier: Diode bridge rectifies AC voltage.
5N:
Electromagnetic Radiation
(7)
5N10:
Transmission Lines and Antennas
(3)
5N10.50
Standing waves on two parallel wires, with 510 transmitter.
5N10.60
85 MHz radio transmitter, with indicating lamp on dipole antenna.
5N10.80
Plexiglas model of electromagnetic wave.
5N20:
Tesla Coil
(1)
5N20.40
Large Tesla coil. 15 inch discharge.
5N30:
Electromagnetic Spectrum
(3)
5N30.10
Refraction of white light by prism using arc lamp.
5N30.30
3 cm. microwave transmitter and receiver.
5N30.31
3 cm. microwave klystron oscillator with cavity and waveguides.
5B:
Electric Fields And Potential
(4)
5B10:
Electric Field
(1)
5B10.15
Electrostatic pinwheel:Van de Graaff makes pinwheel spin.
5B20:
Gauss' Law
(2)
5B20.10
Faraday's ice pail: Charge induced on the outside of a pail.
5B20.35
Faraday cage: blocks signal from portable radio
5B30:
Electrostatic Potential
(1)
5B30.40
Electric field created by Van de Graff splits ions in flame
5K:
Electromagnetic Induction
(18)
5K10:
Induced Currents and Forces
(4)
5K10.10
Elementary generator: Bar moved in magnetic field.
5K10.20
Bar magnet induces current in a coil, shown on galvanometer.
5K10.24
Demonstration of dependence of number of coils on induced flux
5K10.60
Earth inductor: Coil spun in Earth's field makes voltage.
5K20:
Eddy Currents
(5)
5K20.10
Damped pendulum: Swinging metal disks damped in magnetic field.
5K20.25
Eddy currents:Small magnet slowly drops between aluminum rails.
5K20.25
Eddy currents: Neodymium Magnet Drop.
5K20.30
Jumping rings: High current AC coil causes rings to jump.
5K20.41
Levitator: Aluminum dish floats four inches off platform.
5K30:
Transformers
(3)
5K30.25
Demountable transformer with many secondary coils from 10:1 to 1:46.
5K30.40
Same as above: Secondary used for spot-welding.
5K30.40
Same as above: Secondary used for induction melting.
5K40:
Motors and Generators
(6)
5K40.10
Rolling bar motor: Same as D+30+ 20.
5K40.10
Elementary split-ring armature DC motor. D+15+6 as a motor.
5K40.20
Generator: Coil with DC commutator rotates between magnets.
5K40.20
Alternator: Coil with AC commutator rotates between magnets.
5K40.80
Hand-cranked AC alternator powers 120 volt lamp.
5K40.80
Hand-cranked DC generator powers 120 volt lamp.
5J:
Inductance
(2)
5J10:
Self Inductance
(1)
5J10.20
Back EMF in a series DC motor with large flywheel.
5J20:
LR Circuits
(1)
5J20.10
LR time constant: Square wave drives series LR on oscilloscope.
5G:
Magnetic Materials
(8)
5G10:
Magnets
(2)
5G10.16
Suspended magnetic lodestone on string.
5G10.20
Making small magnets by breaking up a larger magnet.
5G20:
Magnet Domains & Magnetization
(2)
5G20.10
Barkhausen effect: Magnet and coil with soft iron core.
5G20.30
Barkhausen effect model: Many tiny magnets on pivots on OHP.
5G30:
Paramagnetism and Diamagnetism
(2)
5G30.10
Para and diamagnetic materials in magnetic field with OHP.
5G30.10
Para and diamagnetic materials in magnetic field with arc lamp.
5G50:
Temperature and Magnetism
(2)
5G50.50
YBaCuO pellet with magnet in liquid nitrogen on TV camera.
5G50.50
YBaCuO pellet with magnet in liquid nitrogen on TV camera.
5H:
Magnetic Fields And Forces
(17)
5H10:
Magnetic Fields
(4)
5H10.11
Large compass needle on stand.
5H10.15
Dip needle compass.
5H10.25
Compass needle shows field around a high current wire on bench top.
5H10.30
Iron filings and permanent magnets to show field on an OHP.
5H15:
Fields and Currents
(2)
5H15.10
Iron filings around a high current vertical wire on OHP to show field.
5H15.10
Iron filings around a current carrying coil on OHP to show field.
5H20:
Forces on Magnets
(1)
5H20.20
Wobbly bar: Magnets in frame balanced by repulsive forces.
5H25:
Magnet/Electromagnet Interactions
(2)
5H25.10
Tangent galvanometer: Compass needle pivots in a coil.
5H25.25
Linear motor: An iron core jumps into a solenoid.
5H30:
Force on Moving Charges
(3)
5H30.10
Vacuum tube with screen show cathode rays bent with a magnet.
5H30.15
Vacuum tube with screen shows cathode rays bent with a magnet.
5H30.21
E/M tube: Circular bending of an electron beam in a magnetic field.
5H40:
Force on Current in Wires
(5)
5H40.10
Ampere's law: Currents in parallel wires attract or repel.
5H40.30
Force on a current carrying wire in a magnetic field.
5H40.70
Elementary motor: Magnet, wire and battery make a simple motor.
5H40.71
Elementary motor: Bar on rails over solenoid with core.
5H40.71
Ammeter shunt: Only a small current flows to the meter.
5D:
Resistance
(8)
5D10:
Resistance Characteristics
(1)
5D10.40
Resistor analog: Marbles cascading down pin board.
5D20:
Resistivity and Temperature
(2)
5D20.15
Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current.
5D20.30
Effect of temperature on current in carbon or tungsten filaments.
5D40:
Conduction in Gases
(5)
5D40.10
Same as above: Secondary used for small Jacob's ladder.
5D40.10
Large Jacob's ladder.
5D40.25
Copper nail and iron nail in a lemon using a multimeter.
5D40.42
Edison effect: Electrons are cast off from hot filament.
5D40.80
X-rays ionize electrode and discharge electroscope.
5E:
Electromotive Force And Current
(9)
5E20:
Electrolysis
(2)
5E20.10
Electrolysis of water produces hydrogen and oxygen.
5E20.15
Bubble Electrolysis.
5E40:
Cells and Batteries
(2)
5E40.20
Gotham cell: Assorted metal electrodes in sulfuric acid bath.
5E40.60
Storage cell: Gotham cell is charged up and rings a bell.
5E50:
Thermoelectricity
(5)
5E50.10
Thermocouple and thermopile, both make electricity from heat.
5E50.30
Thermocouple magnet: Flame with water cooling holds weight.
5E50.30
Thermocouple magnet: Flame with ice bath, holds weight.
5E50.60
Thermoelectric fan: Fan runs off of hot and cold water.
5E50.60
Peltier junction: Forward current freezes water drop, reverse boils.
5M:
Semiconductors And Tubes
(2)
5M20:
Tubes
(2)
5M20.20
Vacuum tube with metal cross makes shadow with cathode rays.
5M20.20
Vacuum tube with paddlewheel spins from cathode ray impact.
6:
Optics
(90)
6Q:
Modern Optics
(3)
6Q10:
Holography
(2)
6Q10.10
Transmission hologram viewed with laser light.
6Q10.10
Reflection hologram viewed with white light.
6Q20:
Physical Optics
(1)
6Q20.10
Laser beam diffraction off coil and being reassembled (DNA analysis simpulation a la Rosalind Franklin's experiment)
6B:
Photometry
(5)
6B10:
Luminosity
(1)
6B10.20
Inverse square law: Light bulb in wire frame.
6B40:
Blackbodies
(4)
6B40.20
Box with white interior appears black from hole in the side.
6B40.41
Detection of the IR, visible, and UV spectra using arc lamp.
6B40.41
Detection of the IR, visible, and UV spectra using arc lamp on TV camera.
6B40.55
As light bulb filament increases temp. its spectrum shifts red to blue.
6J:
The Eye
(8)
6J10:
The Eye
(2)
6J10.21
Model of the eye, with near/far sight lenses, using arc lamp.
6J10.80
Limit of resolution: Two small lamps on adjustable slide.
6J11:
Physiology
(6)
6J11.10
Rotating disk with black and white lines makes color illusion.
6J11.10
Rotating disk with black and white lines makes color illusion.
6J11.52
Optical illusion posters.
6J11.65
Pulfrich Effect: Pendulum and polaroid experiment.
6J11.70
Standard color blindness tests and box of colored yarns.
6J11.70
Set of color blindness cards.
6F:
Color
(6)
6F10:
Synthesis and Analysis of Color
(5)
6F10.16
Three-color projector for additive color mixing with arc lamp.
6F10.20
Cyan, magenta, and yellow filters mix subtractively on OHP.
6F10.25
Newton's color disk: When rotated,appears white.
6F10.30
Arc light spectrum recombined with concave mirror on lucite rod.
6F10.61
Color by reflected and transmitted light, using gold leaf.
6F30:
Dispersion
(1)
6F30.20
Light from arc lamp enters direct view prism emerges as spectrum.
6C:
Diffraction
(7)
6C10:
Diffraction Through One Slit
(3)
6C10.10
Single slit diffraction using laser beam through adjustable slit.
6C10.15
Two points of light diffract through an iris, shown with T.V. camera. (RETIRED)
6C10.50
Microwave diffraction by a large adjustable iris.
6C20:
Diffraction Around Objects
(4)
6C20.10
Poisson's spot: Interference pattern within circular shadow.
6C20.15
Diffraction about pinhead, razorblade, wood screw using laser.
6C20.30
Airy's disk: Pinhole diffraction using laser beam.
6C20.45
Microwave zone plates.
6D:
Interference
(16)
6D10:
Interference From Two Sources
(1)
6D10.20
Microwave interference with single and double slits.
6D20:
Gratings
(6)
6D20.10
Laser beam through sets of 1, 2, or multiple electro-formed slits.
6D20.10
Laser beam through various slit and grating combinations.
6D20.15
Diffraction patterns of various gratings using He-Ne laser.
6D20.20
First and second order transmission gratings, with arc lamp.
6D20.20
Reflection grating with arc lamp.
6D20.20
Mercury spectrum using slit and grating, includes UV lines.
6D30:
Thin Films
(6)
6D30.10
Newton's rings by transmission or reflection on arc bench.
6D30.10
Same as E+25+30, using Hall's prism.
6D30.20
Soap film interference: The soap bubble experiment on arc bench.
6D30.30
Thin film interference with optical flats and sodium lamp.
6D30.40
Thin film interference with mercury light on mica sheets.
6D30.65
Oil film interference on water.
6D40:
Interferometers
(3)
6D40.10
Michelson interferometer fringes with laser or white light.
6D40.20
Microwave interference by multiple reflection.
6D40.27
Lloyd's mirror: Laser beam interferes with reflection from glass.
6A:
Geometrical Optics
(30)
6A10:
Reflection From Flat Surfaces
(7)
6A10.10
Blackboard optics: Light sources with lucite lenses.
6A10.10
Blackboard optics: Light sources with plane and curved mirrors.
6A10.11
Arc lamp and mirror on large disk rotate showing beam angles.
6A10.18
Reflection of microwaves off an aluminum plate.
6A10.40
Variable angle mirror assembly with candle.
6A10.45
Barbershop mirrors:Parallel mirrors with light bulb.
6A10.60
Phantom lightbulb: Image in a plane mirror.
6A20:
Reflection from Curved Surfaces
(7)
6A20.30
Phantom bouquet: Real image from a concave mirror.
6A20.30
Phantom Bouquet: Real image from a concave mirror.
6A20.35
Clam shell mirrors: Floating coin illusion.
6A20.35
Clam shell mirrors: Floating coin illusion.
6A20.40
Reflections from concave and convex mirrors with lighted arrow.
6A20.60
Concave mirrors focus candle flame on thermopile across bench. (same as 650)
6A20.60
Light the Match (same as C+65+2).
6A40:
Refractive Index
(1)
6A40.40
Variable index of refraction: laser beam bends in water tank with sugar.
6A42:
Refraction at Flat Surfaces
(1)
6A42.10
Blackboard optics: Light source and lucite prism.
6A44:
Total Internal Reflection
(5)
6A44.20
Total internal reflection/critical angle: Nakamura water tank.
6A44.40
Light pipes and fiber optic flashlight.
6A44.40
Flexible light pipe using arc lamp.
6A44.45
Water fiber optic
6A44.68
Total internal reflection: 45 deg-45 deg-90 deg prism using arc lamp.
6A46:
Rainbow
(1)
6A46.10
Rainbow: Refraction of white light by a liquid sphere.
6A60:
Thin Lens
(1)
6A60.31
Real images: Lighted arrow image and various lenses.
6A61:
Pinhole
(1)
6A61.20
Image formed by a pinhole using three light bulbs in a box.
6A65:
Thick Lens
(3)
6A65.20
Large lens shows chromatic aberration on screen using arc lamp.
6A65.30
Pincushion and barrel distortion of lenses using arc lamp.
6A65.70
Fresnel lenses to show.
6A70:
Optical Instruments
(3)
6A70.10
Galilean telescope: similar to E+30+45.
6A70.10
Compound microscope is assembled from lenses.
6A70.20
Astronomical telescope: Using objective and eyepiece lenses.
6H:
Polarization
(15)
6H10:
Dichroic Polarization
(4)
6H10.10
Commercial Polaroid filters on an OHP.
6H10.20
Microwaves with grid. Transmitter and receiver are polarized.
6H10.30
Two picket fence sections with slats and rope to make waves.
6H10.80
Limit of resolution: Two movable pin-points of light.
6H20:
Polarization by Reflection
(2)
6H20.20
Malus experiment: Polarization by reflection off glass surface.
6H20.40
Polarization of light through a pile of glass plates, using arc lamp.
6H30:
Circular Polarization
(2)
6H30.30
Optical rotation by sugar solution produces barber pole, using arc lamp.
6H30.41
Optical rotation of polarized light by sugar solution, using arc lamp.
6H35:
Birefringence
(6)
6H35.10
Light through polaroid and calcite, using arc lamp.
6H35.17
Visible nodes and antinodes in linearly birefringent plexiglass rod.
6H35.30
Light through Nicol prism and Nicol analyzer, using arc lamp.
6H35.40
Circular polarization with quarter wave plate, using arc lamp.
6H35.50
Polarized light and stressed lucite on an OHP.
6H35.52
Quartz prisms give a single and double spectrum, using arc lamp.
6H50:
Polarization by Scattering
(1)
6H50.10
Sunset: solution in tank scatters blue light, using arc lamp.
7:
Modern Physics
(29)
7B:
Atomic Physics
(8)
7B10:
Spectra
(2)
7B10.10
Hand-held gratings for class to view Hg, Ne discharge tubes.
7B10.11
Arc lamp spectra from NaCl, CaCl2, SrCl soaked rods.
7B11:
Absorption
(2)
7B11.10
Absorption spectrum of Na using arc lamp, slit and grating.
7B11.40
Arc light spectrum with various filters.
7B13:
Resonance Radiation
(1)
7B13.50
UV light causes mineral and fabric samples to fluoresce different colors.
7B50:
Atomic Models
(3)
7B50.10
Mechanical models of the hydrogen atom.
7B50.50
Wall chart of periodic table.
7B50.50
Wall chart or online applet of periodic table.
7A:
Quantum Effects
(10)
7A10:
Photoelectric Effect
(6)
7A10.10
UV light hits charged zinc plate and discharges electroscope.
7A10.35
Light through different filters into phototube changes current.
7A10.40
Several commercial solar cells.
7A10.40
Commercial solar cell spins propeller using small arc lamp.
7A10.40
Commercial solar cell spins propeller using halogen light source.
7A10.43
Recording modulates laser beam which hits solar cell and amplifier.
7A50:
Wave Mechanics
(1)
7A50.20
Tunneling:Microwave analogy using wax prisms.
7A60:
X-ray and Electron Diffraction
(3)
7A60.10
Electron diffraction by aluminum and graphite on CRT.
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.
7D:
Nuclear Physics
(11)
7D10:
Radioactivity
(2)
7D10.10
Geiger counter.
7D10.40
Mechanical model of radioactive decay.
7D20:
Nuclear Reactions
(1)
7D20.10
Mousetrap chain reaction experiment.
7D30:
Particle Detectors
(6)
7D30.11
Scintillation counter using Geiger tube.
7D30.50
Expansion cloud chamber with water and compression bulb.
7D30.50
Wilson cloud chamber, piston compression type.
7D30.50
Alpha range measured using small cloud chamber.
7D30.60
Cloud chamber with dry ice and alcohol shown on TV camera.
7D30.70
Large mechanical model of the cyclotron.
7D50:
Models of the Nucleus
(2)
7D50.10
Rutherford scattering model: Steel balls, launcher, and "hill".
7D50.30
"Plum pudding": Corks with magnets float in bowl/solenoid on OHP.
8:
Astronomy
(2)
8A:
Planetary Astronomy
(2)
8A10:
Solar System Mechanics
(1)
8A10.15
Solar system model.
8A40:
Planetary Properties: Globes, Hemispheres, & Maps
(1)
8A40.15
Vault of the heavens: Large lucite globe.
9:
Equipment
(4)
9A:
Support Systems / Facility
(3)
9A30:
Slide Projectors
(1)
9A30.20
Lantern slide projector with removable housing.
9A80:
Films
(2)
9A80.40
Film: "Photons", sound, 19 min..
9A80.40
Film: "Interference of photons", sound 13 min.
9B:
Electronic
(1)
9B20:
Circuits/Components/Instruments
(1)
9B20.30
Photomultiplier tubes to show.
Other
(292)
No PIRA
Wall chart of metric system.
No PIRA
Reaction jet: "L" tube rotates as water flows through it.
No PIRA
Illustration of buoyancy and drag force
No PIRA
Alternate charge resides on outside of conductor
No PIRA
Meterstick suspended in mid-air by horizontal strings and weights.
No PIRA
Force on hinged beam measured with transducer.
No PIRA
Two transducers measure forces from centered hanging mass.
No PIRA
Same as A+60+15, but mass in different position.
No PIRA
Center of gravity (toy) objects.
No PIRA
Driven standing waves with different mass/unit length strings.
No PIRA
Projectile launched over rotating reference frame
No PIRA
Twisting a rod with one end fixed and the other hung with weights.
No PIRA
Relative velocity: Three electric cars on tracks make chalk line.
No PIRA
Rope with slug(unit of mass) in center is lifted from ends.
No PIRA
Film loop: "Vector addition: Velocity of a boat", 3:35 min.
No PIRA
Chain hoist.
No PIRA
Limit of Resolution: Blue or Red LEDs that can be brought together
No PIRA
Faucet for demonstration
No PIRA
One balloon inflates another
No PIRA
Falling Slinky's bottom stationary until top reaches it
No PIRA
Inverter Magnet
No PIRA
Compound pendulum: Meterstick with movable brass weight.
No PIRA
Object rolls uphill, center of mass rolls downhill
No PIRA
Siphon from one beaker to another
No PIRA
Inertia demonstration using hammer and anvil
No PIRA
Moveable speakers create interference
No PIRA
Bike with one foot long trail
No PIRA
Potential energy of spring imparted to ball on ramp
No PIRA
Mass on scale is accelerated
No PIRA
Damped oscillations: Flat steel spring with removable weights.
No PIRA
Java Applet: Simple Harmonic Motion & Uniform Circular Motion
No PIRA
Java Applet: A-vector and V-vector arrows
No PIRA
Electromagnet with removable core
No PIRA
Pocket watch with mirror and laser twitches with balance wheel motion.
No PIRA
Clock spring oscillator: Electrically driven and damped.
No PIRA
Galilean thermometer
No PIRA
Damped oscillations in a resonant LCR circuit on an oscilloscope.
No PIRA
Movable masses attached to rigid rod and force sensors
No PIRA
Marriote’s Bottle. Vertical standpipe with constant water pressure
No PIRA
Elastic band acts as slingshot
No PIRA
Attraction between plates of a capacitor causes attachment of plates when insulator is introduced.
No PIRA
Shiny object turns black viewed through linear polarizer and quarter wave plate
No PIRA
Pythagorean Cup and self starting siphons
No PIRA
Tensegrity: The Impossible Table
No PIRA
Transparencies: Fourier superpositions.
No PIRA
Fourier decomposition: microphone and oscilloscope.
No PIRA
Inclined airtrack: Cart and ball accelerate in unison.
No PIRA
Interference between two ultrasound sources (40 kHz).
No PIRA
Beats with two beer bottles blown manually.
No PIRA
Caruga horn: Varigated tube to blow through
No PIRA
Demonstration of Proton Proton Chain
No PIRA
A chain dropped onto a force plate.
No PIRA
Shape of Reflection depends on shape of mirror
No PIRA
Blackbody color change as temperature increases
No PIRA
Conductivity of solution with free ions
No PIRA
Feedback from microphone/speaker system.
No PIRA
Set of ten suspended metal rods struck with a wooden mallet.
No PIRA
Hand held long torsional wave device
No PIRA
Large sphere surrounded by small spheres rises to surface
No PIRA
Fist in and out of water
No PIRA
Film loop: "Vibrations of a metal plate", 3:45 min.
No PIRA
Drag demo with coffee filters
No PIRA
Film loop: "Vibrations of a drum", 3:25 min.
No PIRA
Off center cross beam changes moment of inertia
No PIRA
Young's modulus rod: Hammer and rod with nodes marked.
No PIRA
Speed of sound in air: Speaker resonates air column over water.
No PIRA
Jumping Rings with AC or DC driving
No PIRA
Glass cube demonstrates reflection, refraction, and total internal reflection.
No PIRA
Film loop: "Doppler effect", 3:45 min.
No PIRA
Whip
No PIRA
Film loop: "Formation of shock waves", 3:45 min.
No PIRA
Film: "The Piano", sound, 27 min.
No PIRA
Interconnected tube of various elevations with immiscible liquids.
No PIRA
Barrier penetration simulation
No PIRA
Coefficient of restitution depends on temperature
No PIRA
Global warming demo with CO2 levels rising
No PIRA
Ice is sliced in two by wire creating high pressure.
No PIRA
Bernoulli effect: objects drawn together
No PIRA
Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law.
No PIRA
Real images: Lighted ‘F-object’ and an astygmatic lens.
No PIRA
Real images: Lighted ‘F-object’ and a cylindrical lens.
No PIRA
Mat held down by atmospheric pressure.
No PIRA
Film loop: "Properties of a gas", 3:18 min.
No PIRA
Vector arrows to show electric field and particle motion
No PIRA
Computer demo: Conductivity (see C+15+3), runs 5 min.
No PIRA
Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling.
No PIRA
Model of an air pump.
No PIRA
Incompressibility of water in two different sized syringes
No PIRA
Water expelled through hose shows dependence on angle and cross sectional area
No PIRA
Stability of ladder depends on weight distribution
No PIRA
Hoop thrown forward rolls backwards
No PIRA
Smoke Ring Generator
No PIRA
Glass standpipes: Water flows through tube, heights vary.
No PIRA
Hoberman sphere with changing radius
No PIRA
Long balloon fills because of Bernoulli effect
No PIRA
Compressed air attracts card with pin to holder.
No PIRA
Center of mass travels down as object travels up
No PIRA
Pitot tube inserted in wind stream with manometer indicator.
No PIRA
Various bubble frames.
No PIRA
Archimedes' principle: weighing beakers in water.
No PIRA
Archimedes' principle: Fish submerged in water on balance beam.
No PIRA
Film loop: "Archimedes' principle", 3:40 min.
No PIRA
Interconnected tube with immiscible liquids.
No PIRA
Working model of the lung: Balloons in a bell jar over a diaphragm.
No PIRA
Vacuum hoist, working model.
No PIRA
Inversion table and blood pressure monitor
No PIRA
Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display.
No PIRA
Film: "Zero G", sound, 14 min.
No PIRA
Java Applet: Gas mixing simulation
No PIRA
Film loop: "Reversibility of time", 3:40 min.
No PIRA
Film: "Symmetry in physical law" (Feynman), sound, 57 min.
No PIRA
Film: "Distinction of past and future "(Feynman), sound, 46 min.
No PIRA
Film: "Probability and uncertainty "(Feynman), sound, 56 min.
No PIRA
Hexstat probability device.
No PIRA
Film: "Conservation laws in zero G", sound, 14 min.
No PIRA
Diffusion of Ammonia and HCl.
No PIRA
Equipartition of Energy: Different mass balls bounce out at different times.
No PIRA
Film loop: "Inertial forces: Centripetal acceleration", 3:15 min.
No PIRA
Hydraulic pump liquifies CO2 gas in glass column.
No PIRA
LN2 demos: pewter bell and spring, color change tube, LN2 cannon.
No PIRA
Film: "Unusual properties of liquid helium", sound, 16 min.
No PIRA
Film: "Bubble model of a metal", silent, 11 min.
No PIRA
Model of calcite crystal.
No PIRA
Large transformer heats metal strip with chalk marks on it.
No PIRA
FLIR T200 Infrared camera
No PIRA
Heating a rubber band: negative coefficient of thermal expansion
No PIRA
Cubic coefficient of expansion: Dissectable wooden cube.
No PIRA
LN2 in a model cannon shoots a cork.
No PIRA
Charles' Law: At constant P, Volume is proportional to Temperature.
No PIRA
Transparency: Comparison of F deg , C deg , and K temperature scales.
No PIRA
Transparency: Chronological history of the concepts of heat.
No PIRA
Breaking point of a wire is measured on a spring scale.
No PIRA
Shear: Stack of masonite squares.
No PIRA
Viscosity set: Pistons in oil and water-filled glass tubes.
No PIRA
Attraction between horizontal plates of a charged capacitor.
No PIRA
Film loop: "Conservation of energy: Pole vault", 3:55 min.
No PIRA
Capacitor doorbell driven by Van de Graaff generator.
No PIRA
Parallel capacitors array: A charged capacitor charges the others.
No PIRA
Capacitors with a series neon bulb on A.C. and D.C.
No PIRA
Capacitor in series in an audio circuit: High pass filter.
No PIRA
Film: "Frames of reference", sound, 28 min.
No PIRA
Effects of changing a D.C. voltage in a series RC circuit.
No PIRA
Capacitor in parallel in an audio circuit: Low pass filter.
No PIRA
Capacitor in parallel in a D.C. circuit.
No PIRA
Energy storage in a commercial capacitor. Loud bang!
No PIRA
Same as D+0+30 using speaker for audio tone generation.
No PIRA
Film loop: "Galilean relativity I", ball dropped from mast of ship,2:55min.
No PIRA
High frequency filtering using a capacitor and inductor.
No PIRA
Crystal radio circuit for AM reception.
No PIRA
Damped oscillations in a resonant LCR circuit on an oscilloscope.
No PIRA
Seibt effect: Wire wound glass tube with 510 transmitter.
No PIRA
Lodge's experiment: Spark gap radio transmitter and receiver.
No PIRA
Magnetron assembly to show.
No PIRA
Film loop:"Galilean relativity II", object dropped from aircraft, 3:40 min.
No PIRA
Standing waves (micro or sound) in an adjustable cavity.
No PIRA
AM and FM Demonstration(minimum 24 hr notice required).
No PIRA
Wall chart of electromagnetic spectrum.
No PIRA
LEDs oscillate in stored energy LC circuit.
No PIRA
Electric fields: Lines of force shown on an OHP.
No PIRA
Transparency: Mapping of an electric field.
No PIRA
Film loop: "Galilean relativity III", projectile fired vertically, 3:00 min.
No PIRA
Discharging an electroscope through ionization
No PIRA
Charge resides on the outside of a conductor.
No PIRA
Film loop: "A matter of relative motion", 3:40 min.
No PIRA
Electrostatic doorbell: Ball bangs between charged plates.
No PIRA
Oscillating magnets in coupled coils
No PIRA
Eddy currents: Copper disk rotates over a spinning bar magnet.
No PIRA
Skin effect: Metal sheet shielding varies with frequency.
No PIRA
Film: "A million to one", flea and dry ice puck, sound, 5 min.
No PIRA
Energy stored in large coil with soft iron core flashes bulb.
No PIRA
Earth model with internal magnet and pivoting probe magnet.
No PIRA
Magnetic field around a solenoid with pivoting probe magnet.
No PIRA
Equivalence of large and small loops around enclosed flux
No PIRA
Flux through loop. EMF depends on position of the meter?
No PIRA
Torque on coil suspended between two magnets.
No PIRA
Plank oscillates on oppositely rotating bicycle wheels.
No PIRA
Elementary motor: De La Rive Tube
No PIRA
Hall effect: Magnetic field induces a voltage in a neon plasma.
No PIRA
Making a magnet by electromagnetic induction.
No PIRA
Block pulled horizontally by a spring.
No PIRA
Elementary galvanometer: Coil on spring in magnetic field.
No PIRA
Mavometer: Ammeter / voltmeter / galvanometer
No PIRA
Various meters for display.
No PIRA
AC induction motor: Armature in a whirling field.
No PIRA
Elementary motor: Electron beam revolves in magnetic field.
No PIRA
The Braun tube with magnetic and electrostatic deflection.
No PIRA
Large tungsten filament lamp; as it heats, current drops.
No PIRA
Same as D+55+12 using speaker for audio tone generation.
No PIRA
Film: "Elementary electricity", sound; 8 min.
No PIRA
Photoelectric effect: Light on P-N junction causes current flow.
No PIRA
Impact on piezo-electric device flashes neon bulb.
No PIRA
Automobile coil makes a spark.
No PIRA
Red, green, blue light on three-sided rotatable pyramid.
No PIRA
Purkinje effect: At low intensity, blue is more visible than red.
No PIRA
Two slides plus red and green light gives full color illusion.
No PIRA
Wall chart of mercury spectrum.
No PIRA
Applet: transmission and absorption spectra of all the elements
No PIRA
Films: "Laser light", U of Utah, sound, 38 min.; "Introduction to Holography",sound, 17 min.; "Introduction to Lasers", sound, 17 min.
No PIRA
Red/green/blue line source viewed with double slit paddles.
No PIRA
Laser projected through Fabry-Perot interferometer shows pattern.
No PIRA
Air, glass and water lenses in water tank with arc lamp.
No PIRA
Cylindrical lens of lucite with words "DIOXIDE GLASS".
No PIRA
Cylindrical aberration: Wooden model.
No PIRA
Hand held plane mirror and right angle mirror.
No PIRA
Retrodirective reflector: Silvered right angle prism, using laser.
No PIRA
Polarization of light by internal reflection: Fresnel rhomb.
No PIRA
Plaster models of positive and biaxial crystals.
No PIRA
Two tourmaline crystals act as polaroids, using arc lamp.
No PIRA
Model of a calcite crystal.
No PIRA
Mechanical model to show circular polarization; hand-cranked.
No PIRA
Circular polarization of microwaves by elliptical metal tube.
No PIRA
Circular polarization of microwaves: With reflector and grids.
No PIRA
Polarized light thru Karo syrup shows dark bands, using arc lamp.
No PIRA
10_ retarder plate makes dark bands in spectrum, using arc lamp.
No PIRA
Four-prisms, same index of refraction, different angles, using laser.
No PIRA
Eight-prisms, different index of refraction, same angle, using laser.
No PIRA
Dove prism to erect projected images using arc lamp.
No PIRA
Film: "The law of gravitation "(Feynman), sound, 56 min.
No PIRA
Binoculars and Porro prisms to show.
No PIRA
He-Ne laser compared to non-coherent red light bulb.
No PIRA
Displacement of a beam passing through a thick plate of glass.
No PIRA
Indices of Refraction: glass in glycerin and phantom crystals.
No PIRA
Fiber optic cable transmits picture from slide to video monitor.
No PIRA
Microwave analogy of the light pipe using flexible metal tubing.
No PIRA
IR source illuminates audience viewed with CCD TV camera in dark room.
No PIRA
FLIR T200 Infrared camera
No PIRA
Measurement of light intensity: Footcandle meter.
No PIRA
Braun tube (CRT) with magnetic and electrostatic deflection.
No PIRA
X-Ray tube: Hard X-rays detected by fluorescent screen.
No PIRA
X-ray beam through cloud chamber shown on TV camera
No PIRA
Film: Matter Waves, sound, 28 min.
No PIRA
Phototube circuit allows current flow in one direction only.
No PIRA
EMF generated by phototube using halogen light source.
No PIRA
Light hits diode,causes current flow. Uses arc lamp.
No PIRA
NPN junction as a phototransistor amplifier.
No PIRA
Film loop: Photoelectric effect, 4:02 min.
No PIRA
Moment of inertia: Hoop or disk rotated by falling weight.
No PIRA
Model of the nucleus: Steel balls in plastic dish on OHP.
No PIRA
Film: "Rutherford atom", sound, 40 min.
No PIRA
Bohr-Stoner charts(5): Electron configurations of the elements.
No PIRA
Wall chart or online applet of the nuclides.
No PIRA
Java applets: Quantum Properties
No PIRA
Fundamental particle and interaction chart.(LBL)
No PIRA
Loop the loop: Sphere, hoop, disk rolled down a looped track.
No PIRA
Cloud chamber shows X-rays: Same as F+5+10.
No PIRA
Film: "Franck-Hertz experiment", sound, 30 min.
No PIRA
Wall chart of the nuclides.
No PIRA
Film loop: "Radioactivity", 4:00 min.
No PIRA
Elementary motor: Magnets and battery and copper coil make a simple motor.
No PIRA
Model of the uranium pile.
No PIRA
Magnetic field splits Cd interferometer lines on TV camera.
No PIRA
Working helium-neon laser in transparent housing.
No PIRA
Fuel cell car runs off hydrogen and oxygen.
No PIRA
35mm slides for astronomy.
No PIRA
Earth, Sun, and Mars model.
No PIRA
Shepard Tones: repeating tones appear to continuously ascend or descend
No PIRA
Revolving window illusion.
No PIRA
Rotating disk and strobe demonstration.
No PIRA
Indices of Refraction: glass in glycerin and phantom crystals.
No PIRA
Purkinje effect: At low intensity, blue is more visible than red.
No PIRA
Two sides plus red and green light gives full color illusion.
No PIRA
Film Loop: "Worlds largest vacuumn chamber does coin and feather, 4:41 min"
No PIRA
Gyroscopes; various.
No PIRA
Swinging mass M lifts mass 2M
No PIRA
Equivalence of tension of spring attached to pole with mass vs mass at both ends.
No PIRA
Magnet inserted and withdrawn from copper ring causes ring to swing
No PIRA
Grain Silo explosion: A cloud of power is ignited and blows lid off of can.
No PIRA
5 Metronomes on board and cans sync their oscillations
No PIRA
Rotational Inertia Wands
No PIRA
Film: "Slinky Drop at Turkey Creek" 3:14 min
No PIRA
Film: "Conservation laws in zero G", sound, 14 min..
No PIRA
Gravitational lens model.
No PIRA
Various Levers Set Out for Display
No PIRA
Cut out pie pan demonstrates path when centripetal force disappears
No PIRA
Mass Driver
No PIRA
Fan and sailboat on wheels
No PIRA
Curie temperature
No PIRA
Stacking Blocks Extend Over Base
No PIRA
Extreme Spin on Launched Ball
No PIRA
Mass driver: One of these balls is not like the other
No PIRA
Superhydrophobic surfaces
No PIRA
Spinning Bicycle Wheel Stays Upright.
No PIRA
Falling coffee cup is arrested by friction
No PIRA
Film loop: "Colliding freight cars", 2:45 min.
No PIRA
Film loop: "Dynamics of a billiard ball", 4:00 min.
No PIRA
Simple motor rolls straight and in circle
No PIRA
Drawing ellipse on chalkboard
No PIRA
Electric winch tows car at constant speed, then constant acceleration.
No PIRA
3"x 4" slides of standards and units and cassette tape of WWV.
No PIRA
Film: "Powers of ten", sound, 10 min.
No PIRA
Solids to show; cone, pyramid, icosahedron, etc.
5H.40
Force on current carrying wire in a magnetic field