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1048 results
1:
Mechanics
(90)
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)
1D50.60
Banked turns: slot car around an oval track
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.
1D50.70
Rotating loop of chain rolls across bench.
1D52:
Deformation by Central Forces
(3)
1D52.40
Candles rotating about an axis.
1D52.35
Mercury and colored water in a rotating glass vessel.
1D52.10
Flattening of the earth: Rotating brass hoops.
1D60:
Projectile Motion
(4)
1D60.20
Dropped and shot balls hit bench simultaneously.
1D60.65
Water projector: Adjustable angle water jet in front of grid.
1D60.30
The Hunter
1D60.10
Ballistics car: Ball ejected from rolling car drops back in.
1N:
Linear Momentum And Collisions
(11)
1N10:
Impulse and Thrust
(1)
1N10.55
Waveguide pieces to show.
1N20:
Conservation of Linear Momentum
(2)
1N20.30
Balls of equal and unequal mass on strings, separated by a leaf spring.
1N20.25
Airtrack: Long track with two gliders coupled by a spring hoop.
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)
1N30.15
Elastic collisions: Seven steel balls roll on a wooden track.
1N30.10
Elastic collisions: Five hanging balls and two unequal hanging balls.
1N30.30
Three meter airtrack with gliders that rebound elastically, or stick.
1N40:
Collisions in Two Dimensions
(2)
1N40.21
Plastic pucks on air table.
1N40.10
Executive size pool table
1K:
Applications Of Newton's Laws
(5)
1K10:
Dynamic Torque
(3)
1K10.30
Rolling spool: String on spool is pulled at various angles.
1K10.50
Disk (weighted off-center) rolls up inclined plane.
1K10.30
Static equilibrium for a rope on a spool. Same as A+55+5.
1K20:
Friction
(2)
1K20.35
Blocks, with various surfaces slide on an inclined plane.
1K20.15
Weighted wood block dragged horizontally by force sensor.
1Q:
Rotational Dynamics
(12)
1Q10:
Moment of Inertia
(2)
1Q10.40
Two disks, one weighted in center and other on rim, roll down ramp.
1Q10.20
Large torsion pendulum with different diameter rods.
1Q30:
Transfer of Angular Momentum
(1)
1Q30.25
Rotational inertia device: Sliding weights on rotating rod.
1Q40:
Conservation of Angular Momentum
(4)
1Q40.23
Mechanical governor device.
1Q40.11
Minor's apparatus: Movable discs rotated by falling weight.
1Q40.10
Rotating chair with dumbbells or weighted bicycle wheel.
1Q40.40
Train on circular track moves one way and track moves the other.
1Q50:
Gyros
(3)
1Q50.90
Maxwell's top, has adjustable center of gravity.
1Q50.54
Sire's Polytrope.
1Q50.40
Large gyroscope in a suitcase.
1Q60:
Rotational Stability
(2)
1Q60.50
Chain lariat with hand drill or electric rotator.
1Q60.15
Large conical aluminum top.
1M:
Work And Energy
(9)
1M20:
Simple Machines
(2)
1M20.11
Pulley sets.
1M20.20
Block and tackle: Bosun's chair.
1M40:
Conservation of Energy
(7)
1M40.40
.22 rifle fires vertically, bullet lifts small wood cylinder.
1M40.10
Bowling ball pendulum swings back to nose.
1M40.20
Loop the loop: Sphere, hoop, disk rolled down a looped track.
1M40.50
Maxwell's wheel: Flywheel with axle, supported on strings or stand.
1M40.95
The Trebuchet
1M40.40
Ballistic pendulum: Suspended .22 rifle fires into suspended block.
1M40.41
Inelastic collisions: Another ballistic pendulum.
1J:
Statics Of Rigid Bodies
(11)
1J10:
Finding Center of Gravity
(3)
1J10.12
Irregular shapes to determine center of mass using plumb bob.
1J10.09
Rotation about the center of mass: Object to throw.
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.
1J30.53
Force table: Forces on a car on a horizontal table.
1J30.51
Force table: Forces on a car on an adjustable inclined plane.
1J40:
Static Torque
(5)
1J40.70
Forces on crane boom measured with transducer.
1J40.75
Anatomical models: Skull, Arm, Leg
1J40.15
Torque wrench to demonstrate.
1J40.25
Precision lever: Balance beam on stand plus weight set.
1J40.20
A meterstick lever on a free-standing fulcrum with weights.
1C:
Motion In One Dimension
(6)
1C10:
Velocity
(2)
1C10.27
Airtrack: Glider passes "start" and "stop" gates on digital timer.
1C10.21
Electric winch tows car at constant speed.
1C20:
Uniform Acceleration
(3)
1C20.10
"Coin and Feather" fall in an evacuated rotatable tube.
1C20.31
Acceleration of a steel ball down an inclined plane with metronome.
1C20.30
Inclined airtrack with gliders and timing gates.
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)
1G10.40
Atwood machine: Unbalanced weights on a pulley accelerate slowly.
1G10.10
A falling weight accelerates a car horizontally.
1G20:
Accelerated Reference Frames
(2)
1G20.76
Cork float accelerometer: Cork and water in sealed flask.
1G20.60
Film loop: "Inertial forces:Translational acceleration", 2:05 min.
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)
1L10.30
The Cavendish experiment: Model and actual apparatus to show.
1L10.10
Film loop: "The Cavendish experiment", 4:25 min.
1F:
Newton's First Law
(4)
1F20:
Inertia of Rest
(4)
1F20.34
Card snapped from under a weight by a leaf spring.
1F20.30
Tablecloth yanked out from under dishes.
1F20.10
Breaking thread above and below weight.
1F20.25
Bed of nails
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)
2C20.80
Flettner rotorcar blown with fan.
2C20.30
Bernoulli's principle: Ball suspended in air stream.
2C20.15
Glass standpipes with a constriction. Similar to C+25+10.
2C20.20
Glass aspirator: Compressed air draws colored water up glass tube.
2C20.35
Compressed air through funnel sucks in ball.
2C20.10
Venturi meter: Manometer tubes on tapered wind tunnel tube.
2C20.53
Two roof models, hinged, placed in wind stream.
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.
2B20.60
Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood.
2B20.42
Pascal's vases: Water in removable vases with pressure gauge.
2B20.40
Interconnected set of glass vases of different shapes.
2B30:
Atmospheric Pressure
(4)
2B30.30
Magdeburg's hemispheres(cast iron) evacuated, can't be separated.
2B30.36
Suction cup holds large mass suspended from heavy glass plate.
2B30.25
Collapse 1 gallon metal can with vacuum pump.
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)
3A:
Oscillations
(28)
3A10:
Pendula
(6)
3A10.10
Simple pendulum: Ball on a string.
3A10.30
Torsion pendulum with removable weights.
3A10.14
Four pendulums on rod: Same mass, different lengths.
3A10.17
Four pendulums on rod: Same length, different masses.
3A10.10
Ball on string mounts on blackboard and pivots on lower rod.
3A10.17
Twelve pendulums: same mass, different lengths
3A15:
Physical Pendula
(2)
3A15.50
"Sweet Spot": Meterstick pivot point changes with point struck.
3A15.20
Physical pendulum: Steel bar with two pivot points.
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)
3A60.55
Clock spring oscillator: Electrically driven and damped.
3A60.40
Driven harmonic oscillator: Motor driven mass on spring.
3A60.10
Film : "Tacoma Narrows bridge collapse",silent, 4 min.
3A60.50
Set of three coupled inverted pendulums on wood base.
3A60.24
Driven oscillations in a multiple spring-mass system.
3A60.60
Inverted pendulum.
3A60.50
Unbalanced spinning wheel vibrates spring steel reeds.
3A70:
Coupled Oscillations
(5)
3A70.25
Two large pendulums coupled with spring.
3A70.10
Wilberforce pendulum: Oscillates between rotation and up-down.
3A70.20
Two pendulums on a frame of flexible steel.
3A70.35
Two balls hung on the same string, one in middle, one at the end.
3A70.31
Three large pendulums coupled with two springs.
3A80:
Lissajous Figures
(3)
3A80.40
Lissajous figures with laser and two signal generators.
3A80.21
Transparencies: Lissajous figures for OHP.
3A80.40
Lissajous Figures created with a two tuning forks with mirrors
3A95:
Non-Linear Systems
(1)
3A95.52
Chaotic pendulum.
3D:
Instruments
(17)
3D20:
Resonance in Strings
(1)
3D20.10
Sonometer: Resonant chamber with bowed strings (2).
3D30:
Resonance Cavities
(6)
3D30.35
Twirling Tube
3D30.70
Hoot Tube
3D30.40
Helmholtz resonators drive radiometer vanes, using tuning forks.
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.
3D30.40
Helmholtz Resonators with tuning forks and a candle
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
(6)
3D40.55
Beaker is broken by sound from speaker.
3D40.10
Xylophone.
3D40.30
Chladni's disc: Bowed disk forms patterns in sprinkled salt.
3D40.51
Large glass bowl with ping pong balls and violin bow.
3D40.20
Longitudinal wave apparatus: Ball bounces off end of stroked rod.
3D40.31
Chladni's Figures: Vibrational modes of a metal plate
3D46:
Tuning Forks
(2)
3D46.15
Tuning forks, various.
3D46.40
Giant tuning fork, barely audible, displayed with stroboscope.
3B:
Wave Motion
(25)
3B10:
Transverse Pulses and Waves
(6)
3B10.50
Transverse wave model, hand-cranked.
3B10.70
Transverse 3-dimensional wave model, hand-cranked.
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.
3B20:
Longitudinal Pulses and Waves
(2)
3B20.35
Longitudinal wave model, hand-cranked.
3B20.10
Suspended slinky on threads for compression wave.
3B22:
Standing Waves
(2)
3B22.60
Model of longitudinal standing wave, hand-cranked.
3B22.10
Rope and strobe: Transverse standing waves, motor driven.
3B30:
Wave Properties of Sound
(4)
3B30.01
Ultrasound transducers (40 kHz) as both sources and receivers.
3B30.30
Bell ringing in a jar evacuated with pump.
3B30.20
Measurement of speed of sound with microphone, speaker, oscilloscope.
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)
3B50.55
Large wood model of a double slit with hinged waves.
3B50.10
Interference in a ripple tank uses arc lamp or incandescent light.
3B50.55
Large wood model of a double slit with hinged waves.
3B50.12
Ripple tank with plane or spherical water waves and barriers.
3B55:
Interference and Diffraction Of Sound
(2)
3B55.40
Acoustic interference with Quincke (trombone) tube and sonalert.
3B55.10
Interference of sound waves from two speakers, same generator.
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)
3C20.16
Steel spring pendulum, inverted, vibrates at 10 Hz.
3C20.40
Savart's wheel: Toothed wheel and cardboard or air jet.
3C20.30
Siren: large, electric motor driven.
3C20.30
Compressed air jet blows through spinning disk with holes.
3C20.40
Sprockets on shaft rotate against a card to make sound.
3C20.15
Galton's whistle: Compressed air whistle.
3C20.16
Limit of audibility: Set of rods that ring at different frequencies.
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)
4C20.53
Computer demo: Heat of fusion of tin.
4C20.20
Ice bomb: Iron sphere ruptured by freezing water.
4C20.45
CO2 fire extinguisher: Expanding gas freezes into snow.
4C20.40
Freezing liquid Nitrogen.
4C30:
Phase Changes: Liquid-Gas
(2)
4C30.25
Hot water geyser, runs 5-10 min.
4C30.15
Triple Point demo: Water boils under vacuum making ice.
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)
4B30.40
Copper/wood cylinder wrapped with paper over bunsen burner.
4B30.20
Set of metal rods: Heat-sensitive paint changes color.
4B40:
Radiation
(5)
4B40.14
Archimedes' principle: Aluminum and brass cylinders.
4B40.11
Concave mirrors focus candle flame on thermopile across bench.
4B40.10
Light the Match.
4B40.40
Computer demo: Kirchhoff's radiation law, runs 15 min.
4B40.11
Concave mirrors and horn thermopile senses candle across room.
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)
4B70.31
Piston and cylinder compress/expand air measuring temp. and pressure.
4B70.10
Fire syringe: paper is ignited in a cylinder with a piston.
4B70.20
Cooling by expansion: Jar with water compressed with air.
4F:
Entropy And The Second Law
(8)
4F10:
Entropy
(4)
4F10.30
A vortex tube seperates compressed air into jets of hot and cold air.
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.
4F10.10
Drum in glycerine rotates to smear line of dye into a plane and back.
4F30:
Heat Cycles
(4)
4F30.95
Carnot cycle models: Piston/cylinder, PVT surface.
4F30.50
Engine models: Steam, 4-cycle Otto.
4F30.10
Operating Sterling cycle engine, gas powered.
4F30.10
Operating Sterling cycle engine, hot water powered.
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.
4D30.20
Mechanical model of a gas: Vibrating balls on OHP.
4D30.10
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D30.40
Stoekle's apparatus: Heated tube with mercury and glass bits.
4D30.20
Mechanical model of a gas: Vibrating balls strike piston on OHP.
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)
4A30.61
Heated iron wire stretches, rotates pointer.
4A30.60
Heated horizontal nichrome wire stretches, weight sags.
4A30.30
Heated steel rod expands, raises pointer,breaks pin on cooling.
4A30.21
Ring and ball: Ball fits through ring only after ring is heated.
4A30.10
Bimetallic strip: Brass/invar strip curves when heated.
4A30.11
Bimetallic switch: Change in temperature lights cold/hot lamps.
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
(106)
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)
5C30.42
Series capacitor array.
5C30.30
Discharging a capacitor through a lamp.
5C30.10
Various Leyden jars to show.
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)
5L20.20
Resonance in a series LCR circuit using 120 v.a.c.
5L20.21
LCR paradox
5L20.11
LCR series resonance curve of V vs. F (2 - 20kHz) on an oscilloscope.
5L20.10
Phases of V and I in series circuit as RL shifts to RC.
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)
5N10.60
85 MHz radio transmitter, with indicating lamp on dipole antenna.
5N10.50
Standing waves on two parallel wires, with 510 transmitter.
5N10.80
Plexiglas model of electromagnetic wave.
5N20:
Tesla Coil
(1)
5N20.40
Large Tesla coil. 15 inch discharge.
5N30:
Electromagnetic Spectrum
(3)
5N30.31
3 cm. microwave klystron oscillator with cavity and waveguides.
5N30.30
3 cm. microwave transmitter and receiver.
5N30.10
Refraction of white light by prism using arc lamp.
5A:
Electrostatics
(9)
5A10:
Producing Static Charge
(3)
5A10.10
Braun and Leaf electroscopes.
5A10.35
Separation of charge using electrical tape and an electroscope.
5A10.20
Electrophorous: Cat fur on teflon, acetate on lucite.
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
(2)
5A40.16
Charging an electroscope by induction.
5A40.70
Kelvin water drop electrostatic charge generator.
5A50:
Electrostatic Machines
(2)
5A50.30
Van de Graaff generator.
5A50.10
Wimshurst machine, large or small.
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)
5K10.20
Bar magnet induces current in a coil, shown on galvanometer.
5K10.10
Elementary generator: Bar moved in magnetic field.
5K10.60
Earth inductor: Coil spun in Earth's field makes voltage.
5K10.24
Demonstration of dependence of number of coils on induced flux
5K20:
Eddy Currents
(5)
5K20.10
Damped pendulum: Swinging metal disks damped in magnetic field.
5K20.30
Jumping rings: High current AC coil causes rings to jump.
5K20.41
Levitator: Aluminum dish floats four inches off platform.
5K20.25
Eddy currents:Small magnet slowly drops between aluminum rails.
5K20.25
Eddy currents: Neodymium Magnet Drop.
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)
5K40.20
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.
5K40.10
Rolling bar motor: Same as D+30+ 20.
5K40.10
Elementary split-ring armature DC motor. D+15+6 as a motor.
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.
5H10.30
Iron filings and permanent magnets to show field on an OHP.
5H10.25
Compass needle shows field around a high current wire on bench top.
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)
5H25.25
Linear motor: An iron core jumps into a solenoid.
5H25.10
Tangent galvanometer: Compass needle pivots in a coil.
5H30:
Force on Moving Charges
(3)
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.
5H30.10
Vacuum tube with screen show cathode rays bent with a magnet.
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.
5H40.71
Elementary motor: Bar on rails over solenoid with core.
5H40.71
Ammeter shunt: Only a small current flows to the meter.
5H40.70
Elementary motor: Magnet, wire and battery make a simple motor.
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)
5D40.42
Edison effect: Electrons are cast off from hot filament.
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.
5D40.80
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.
6B40.55
As light bulb filament increases temp. its spectrum shifts red to blue.
6B40.41
Detection of the IR, visible, and UV spectra using arc lamp on TV camera.
6J:
The Eye
(8)
6J10:
The Eye
(2)
6J10.80
Limit of resolution: Two small lamps on adjustable slide.
6J10.21
Model of the eye, with near/far sight lenses, using arc lamp.
6J11:
Physiology
(6)
6J11.70
Standard color blindness tests and box of colored yarns.
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
Set of color blindness cards.
6J11.10
Rotating disk with black and white lines makes color illusion.
6F:
Color
(6)
6F10:
Synthesis and Analysis of Color
(5)
6F10.25
Newton's color disk: When rotated,appears white.
6F10.16
Three-color projector for additive color mixing with arc lamp.
6F10.30
Arc light spectrum recombined with concave mirror on lucite rod.
6F10.20
Cyan, magenta, and yellow filters mix subtractively on OHP.
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.
6C10.50
Microwave diffraction by a large adjustable iris.
6C10.15
Two points of light diffract through an iris, shown with T.V. camera. (RETIRED)
6C20:
Diffraction Around Objects
(4)
6C20.30
Airy's disk: Pinhole diffraction using laser beam.
6C20.15
Diffraction about pinhead, razorblade, wood screw using laser.
6C20.45
Microwave zone plates.
6C20.10
Poisson's spot: Interference pattern within circular shadow.
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.
6D20.20
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.
6D20.15
Diffraction patterns of various gratings using He-Ne laser.
6D20.10
Laser beam through various slit and grating combinations.
6D30:
Thin Films
(6)
6D30.30
Thin film interference with optical flats and sodium lamp.
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.
6D30.65
Oil film interference on water.
6D30.40
Thin film interference with mercury light on mica sheets.
6D40:
Interferometers
(3)
6D40.27
Lloyd's mirror: Laser beam interferes with reflection from glass.
6D40.10
Michelson interferometer fringes with laser or white light.
6D40.20
Microwave interference by multiple reflection.
6A:
Geometrical Optics
(30)
6A10:
Reflection From Flat Surfaces
(7)
6A10.10
Blackboard optics: Light sources with lucite lenses.
6A10.11
Arc lamp and mirror on large disk rotate showing beam angles.
6A10.10
Blackboard optics: Light sources with plane and curved mirrors.
6A10.60
Phantom lightbulb: Image in a plane mirror.
6A10.40
Variable angle mirror assembly with candle.
6A10.45
Barbershop mirrors:Parallel mirrors with light bulb.
6A10.18
Reflection of microwaves off an aluminum plate.
6A20:
Reflection from Curved Surfaces
(7)
6A20.40
Reflections from concave and convex mirrors with lighted arrow.
6A20.30
Phantom bouquet: Real image from a concave mirror.
6A20.35
Clam shell mirrors: Floating coin illusion.
6A20.60
Concave mirrors focus candle flame on thermopile across bench. (same as 650)
6A20.60
Light the Match (same as C+65+2).
6A20.30
Phantom Bouquet: Real image from a concave mirror.
6A20.35
Clam shell mirrors: Floating coin illusion.
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)
6A44.68
Total internal reflection: 45 deg-45 deg-90 deg prism using arc lamp.
6A44.20
Total internal reflection/critical angle: Nakamura water tank.
6A44.40
Light pipes and fiber optic flashlight.
6A44.45
Water fiber optic
6A44.40
Flexible light pipe 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)
6A65.70
Fresnel lenses to show.
6A65.20
Large lens shows chromatic aberration on screen using arc lamp.
6A65.30
Pincushion and barrel distortion of lenses using arc lamp.
6A70:
Optical Instruments
(3)
6A70.20
Astronomical telescope: Using objective and eyepiece lenses.
6A70.10
Galilean telescope: similar to E+30+45.
6A70.10
Compound microscope is assembled from lenses.
6H:
Polarization
(15)
6H10:
Dichroic Polarization
(4)
6H10.30
Two picket fence sections with slats and rope to make waves.
6H10.20
Microwaves with grid. Transmitter and receiver are polarized.
6H10.10
Commercial Polaroid filters on an OHP.
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)
6H30.41
Optical rotation of polarized light by sugar solution, using arc lamp.
6H30.30
Optical rotation by sugar solution produces barber pole, using arc lamp.
6H35:
Birefringence
(6)
6H35.10
Light through polaroid and calcite, using arc lamp.
6H35.30
Light through Nicol prism and Nicol analyzer, using arc lamp.
6H35.52
Quartz prisms give a single and double spectrum, using arc lamp.
6H35.50
Polarized light and stressed lucite on an OHP.
6H35.40
Circular polarization with quarter wave plate, using arc lamp.
6H35.17
Visible nodes and antinodes in linearly birefringent plexiglass rod.
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)
7B10.11
Arc lamp spectra from NaCl, CaCl2, SrCl soaked rods.
7B10.10
Hand-held gratings for class to view Hg, Ne discharge tubes.
7B11:
Absorption
(2)
7B11.40
Arc light spectrum with various filters.
7B11.10
Absorption spectrum of Na using arc lamp, slit and grating.
7B13:
Resonance Radiation
(1)
7B13.50
UV light causes mineral and fabric samples to fluoresce different colors.
7B50:
Atomic Models
(3)
7B50.50
Wall chart of periodic table.
7B50.10
Mechanical models of the hydrogen atom.
7B50.50
Wall chart or online applet of periodic table.
7A:
Quantum Effects
(10)
7A10:
Photoelectric Effect
(6)
7A10.40
Several commercial solar cells.
7A10.40
Commercial solar cell spins propeller using small arc lamp.
7A10.10
UV light hits charged zinc plate and discharges electroscope.
7A10.35
Light through different filters into phototube changes current.
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)
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.
7A60.10
Electron diffraction by aluminum and graphite on CRT.
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)
7D30.50
Expansion cloud chamber with water and compression bulb.
7D30.50
Wilson cloud chamber, piston compression type.
7D30.60
Cloud chamber with dry ice and alcohol shown on TV camera.
7D30.50
Alpha range measured using small cloud chamber.
7D30.11
Scintillation counter using Geiger tube.
7D30.70
Large mechanical model of the cyclotron.
7D50:
Models of the Nucleus
(2)
7D50.30
"Plum pudding": Corks with magnets float in bowl/solenoid on OHP.
7D50.10
Rutherford scattering model: Steel balls, launcher, and "hill".
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
(556)
B+20+30
Wall chart of metric system.
Reaction jet: "L" tube rotates as water flows through it.
Illustration of buoyancy and drag force
Pressure Chamber for Demonstrating the Critical Temperature and Opalescence
Energy Stored in Dielectric
Alternate charge resides on outside of conductor
Meterstick suspended in mid-air by horizontal strings and weights.
Force on hinged beam measured with transducer.
Two transducers measure forces from centered hanging mass.
Same as A+60+15, but mass in different position.
Center of gravity (toy) objects.
Driven standing waves with different mass/unit length strings.
Projectile launched over rotating reference frame
Twisting a rod with one end fixed and the other hung with weights.
Relative velocity: Three electric cars on tracks make chalk line.
Rope with slug(unit of mass) in center is lifted from ends.
Film loop: "Vector addition: Velocity of a boat", 3:35 min.
Chain hoist.
Limit of Resolution: Blue or Red LEDs that can be brought together
Faucet for demonstration
One balloon inflates another
Falling Slinky's bottom stationary until top reaches it
Block and tackle.
Inverter Magnet
Compound pendulum: Meterstick with movable brass weight.
Object rolls uphill, center of mass rolls downhill
Siphon from one beaker to another
Inertia demonstration using hammer and anvil
Moveable speakers create interference
Bike with one foot long trail
Potential energy of spring imparted to ball on ramp
Mass on scale is accelerated
Like Charges Attract
Damped oscillations: Flat steel spring with removable weights.
Java Applet: Simple Harmonic Motion & Uniform Circular Motion
Java Applet: A-vector and V-vector arrows
Electromagnet with removable core
Pocket watch with mirror and laser twitches with balance wheel motion.
Clock spring oscillator: Electrically driven and damped.
Galilean thermometer
Food coloring added to cold, room temperature, or hot liquid
Damped oscillations in a resonant LCR circuit on an oscilloscope.
Movable masses attached to rigid rod and force sensors
Marriote’s Bottle. Vertical standpipe with constant water pressure
Elastic band acts as slingshot
Attraction between plates of a capacitor causes attachment of plates when insulator is introduced.
Shiny object turns black viewed through linear polarizer and quarter wave plate
Pythagorean Cup and self starting siphons
Tensegrity: The Impossible Table
Transparencies: Fourier superpositions.
Fourier decomposition: microphone and oscilloscope.
Inclined airtrack: Cart and ball accelerate in unison.
Interference between two ultrasound sources (40 kHz).
Beats with two beer bottles blown manually.
Caruga horn: Varigated tube to blow through
Demonstration of Proton Proton Chain
A chain dropped onto a force plate.
Applet: Group Velocity Demonstration
Shape of Reflection depends on shape of mirror
Blackbody color change as temperature increases
Conductivity of solution with free ions
Feedback from microphone/speaker system.
Set of ten suspended metal rods struck with a wooden mallet.
Hand held long torsional wave device
Large sphere surrounded by small spheres rises to surface
Fist in and out of water
Film loop: "Vibrations of a metal plate", 3:45 min.
Drag demo with coffee filters
Film loop: "Vibrations of a drum", 3:25 min.
Off center cross beam changes moment of inertia
Young's modulus rod: Hammer and rod with nodes marked.
Speed of sound in air: Speaker resonates air column over water.
Jumping Rings with AC or DC driving
Glass cube demonstrates reflection, refraction, and total internal reflection.
Film loop: "Doppler effect", 3:45 min.
Whip
Film loop: "Formation of shock waves", 3:45 min.
5H.40
Force on current carrying wire in a magnetic field
Film: "The Piano", sound, 27 min.
Interconnected tube of various elevations with immiscible liquids.
Barrier penetration simulation
Coefficient of restitution depends on temperature
Global warming demo with CO2 levels rising
Polarization of can causes rolling
Ice is sliced in two by wire creating high pressure.
Bernoulli effect: objects drawn together
Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law.
Real images: Lighted ‘F-object’ and an astygmatic lens.
Real images: Lighted ‘F-object’ and a cylindrical lens.
Mat held down by atmospheric pressure.
Film loop: "Properties of a gas", 3:18 min.
Vector arrows to show electric field and particle motion
Computer demo: Conductivity (see C+15+3), runs 5 min.
Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling.
Model of an air pump.
Incompressibility of water in two different sized syringes
Water expelled through hose shows dependence on angle and cross sectional area
Stability of ladder depends on weight distribution
Hoop thrown forward rolls backwards
Smoke Ring Generator
Glass standpipes: Water flows through tube, heights vary.
Compressed air attracts card with pin to holder.
Pitot tube inserted in wind stream with manometer indicator.
Various bubble frames.
Archimedes' principle: weighing beakers in water.
Archimedes' principle: Fish submerged in water on balance beam.
Film loop: "Archimedes' principle", 3:40 min.
Interconnected tube with immiscible liquids.
Working model of the lung: Balloons in a bell jar over a diaphragm.
Vacuum hoist, working model.
Inversion table and blood pressure monitor
Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display.
Film: "Zero G", sound, 14 min.
Java Applet: Gas mixing simulation
Film loop: "Reversibility of time", 3:40 min.
Film: "Symmetry in physical law" (Feynman), sound, 57 min.
Film: "Distinction of past and future "(Feynman), sound, 46 min.
Film: "Probability and uncertainty "(Feynman), sound, 56 min.
Hexstat probability device.
Film: "Conservation laws in zero G", sound, 14 min.
Diffusion of Ammonia and HCl.
Equipartition of Energy: Different mass balls bounce out at different times.
Film loop: "Inertial forces: Centripetal acceleration", 3:15 min.
Hydraulic pump liquifies CO2 gas in glass column.
LN2 demos: pewter bell and spring, color change tube, LN2 cannon.
Film: "Unusual properties of liquid helium", sound, 16 min.
Film: "Bubble model of a metal", silent, 11 min.
Model of calcite crystal.
Large transformer heats metal strip with chalk marks on it.
FLIR T200 Infrared camera
Java Applet: The Ramp
Heating a rubber band: negative coefficient of thermal expansion
Cubic coefficient of expansion: Dissectable wooden cube.
LN2 in a model cannon shoots a cork.
Charles' Law: At constant P, Volume is proportional to Temperature.
Transparency: Comparison of F deg , C deg , and K temperature scales.
Transparency: Chronological history of the concepts of heat.
Breaking point of a wire is measured on a spring scale.
Shear: Stack of masonite squares.
Viscosity set: Pistons in oil and water-filled glass tubes.
Attraction between horizontal plates of a charged capacitor.
Film loop: "Conservation of energy: Pole vault", 3:55 min.
Capacitor doorbell driven by Van de Graaff generator.
Parallel capacitors array: A charged capacitor charges the others.
Capacitors with a series neon bulb on A.C. and D.C.
Capacitor in series in an audio circuit: High pass filter.
Film: "Frames of reference", sound, 28 min.
Effects of changing a D.C. voltage in a series RC circuit.
Capacitor in parallel in an audio circuit: Low pass filter.
Capacitor in parallel in a D.C. circuit.
Energy storage in a commercial capacitor. Loud bang!
Same as D+0+30 using speaker for audio tone generation.
Film loop: "Galilean relativity I", ball dropped from mast of ship,2:55min.
High frequency filtering using a capacitor and inductor.
Crystal radio circuit for AM reception.
Damped oscillations in a resonant LCR circuit on an oscilloscope.
Seibt effect: Wire wound glass tube with 510 transmitter.
Lodge's experiment: Spark gap radio transmitter and receiver.
Magnetron assembly to show.
Film loop:"Galilean relativity II", object dropped from aircraft, 3:40 min.
Standing waves (micro or sound) in an adjustable cavity.
AM and FM Demonstration(minimum 24 hr notice required).
Wall chart of electromagnetic spectrum.
LEDs oscillate in stored energy LC circuit.
Electric fields: Lines of force shown on an OHP.
Transparency: Mapping of an electric field.
Film loop: "Galilean relativity III", projectile fired vertically, 3:00 min.
Discharging an electroscope through ionization
Charge resides on the outside of a conductor.
Film loop: "A matter of relative motion", 3:40 min.
Electrostatic doorbell: Ball bangs between charged plates.
Oscillating magnets in coupled coils
Eddy currents: Copper disk rotates over a spinning bar magnet.
Skin effect: Metal sheet shielding varies with frequency.
Film: "A million to one", flea and dry ice puck, sound, 5 min.
Energy stored in large coil with soft iron core flashes bulb.
Earth model with internal magnet and pivoting probe magnet.
Magnetic field around a solenoid with pivoting probe magnet.
Equivalence of large and small loops around enclosed flux
Flux through loop. EMF depends on position of the meter?
Torque on coil suspended between two magnets.
Plank oscillates on oppositely rotating bicycle wheels.
Elementary motor: De La Rive Tube - out of service
Hall effect: Magnetic field induces a voltage in a neon plasma.
Making a magnet by electromagnetic induction.
Block pulled horizontally by a spring.
Elementary galvanometer: Coil on spring in magnetic field.
Mavometer: Ammeter / voltmeter / galvanometer
Various meters for display.
AC induction motor: Armature in a whirling field.
Elementary motor: Electron beam revolves in magnetic field.
The Braun tube with magnetic and electrostatic deflection.
Large tungsten filament lamp; as it heats, current drops.
Same as D+55+12 using speaker for audio tone generation.
Film: "Elementary electricity", sound; 8 min.
Photoelectric effect: Light on P-N junction causes current flow.
Impact on piezo-electric device flashes neon bulb.
Automobile coil makes a spark.
Red, green, blue light on three-sided rotatable pyramid.
Purkinje effect: At low intensity, blue is more visible than red.
Two slides plus red and green light gives full color illusion.
Wall chart of mercury spectrum.
Applet: transmission and absorption spectra of all the elements
Films: "Laser light", U of Utah, sound, 38 min.; "Introduction to Holography",sound, 17 min.; "Introduction to Lasers", sound, 17 min.
Red/green/blue line source viewed with double slit paddles.
Laser projected through Fabry-Perot interferometer shows pattern.
Air, glass and water lenses in water tank with arc lamp.
Cylindrical lens of lucite with words "DIOXIDE GLASS".
Cylindrical aberration: Wooden model.
Hand held plane mirror and right angle mirror.
Retrodirective reflector: Silvered right angle prism, using laser.
Polarization of light by internal reflection: Fresnel rhomb.
Plaster models of positive and biaxial crystals.
Two tourmaline crystals act as polaroids, using arc lamp.
Model of a calcite crystal.
Mechanical model to show circular polarization; hand-cranked.
Circular polarization of microwaves by elliptical metal tube.
Circular polarization of microwaves: With reflector and grids.
Polarized light thru Karo syrup shows dark bands, using arc lamp.
Java Applet Orbiting Bodies
10_ retarder plate makes dark bands in spectrum, using arc lamp.
Four-prisms, same index of refraction, different angles, using laser.
Eight-prisms, different index of refraction, same angle, using laser.
Dove prism to erect projected images using arc lamp.
Film: "The law of gravitation "(Feynman), sound, 56 min.
Binoculars and Porro prisms to show.
He-Ne laser compared to non-coherent red light bulb.
Displacement of a beam passing through a thick plate of glass.
Indices of Refraction: glass in glycerin and phantom crystals.
Fiber optic cable transmits picture from slide to video monitor.
Microwave analogy of the light pipe using flexible metal tubing.
IR source illuminates audience viewed with CCD TV camera in dark room.
FLIR T200 Infrared camera
Measurement of light intensity: Footcandle meter.
Braun tube (CRT) with magnetic and electrostatic deflection.
X-Ray tube: Hard X-rays detected by fluorescent screen.
X-ray beam through cloud chamber shown on TV camera
Film: Matter Waves, sound, 28 min.
Phototube circuit allows current flow in one direction only.
EMF generated by phototube using halogen light source.
Light hits diode,causes current flow. Uses arc lamp.
NPN junction as a phototransistor amplifier.
Film loop: Photoelectric effect, 4:02 min.
Moment of inertia: Hoop or disk rotated by falling weight.
Model of the nucleus: Steel balls in plastic dish on OHP.
Film: "Rutherford atom", sound, 40 min.
Bohr-Stoner charts(5): Electron configurations of the elements.
Wall chart or online applet of the nuclides.
Java applets: Quantum Properties
Fundamental particle and interaction chart.(LBL)
Loop the loop: Sphere, hoop, disk rolled down a looped track.
Cloud chamber shows X-rays: Same as F+5+10.
Film: "Franck-Hertz experiment", sound, 30 min.
Applet: various simulated experiments
Wall chart of the nuclides.
Film loop: "Radioactivity", 4:00 min.
Elementary motor: Magnets and battery and copper coil make a simple motor.
Model of the uranium pile.
Magnetic field splits Cd interferometer lines on TV camera.
Working helium-neon laser in transparent housing.
Fuel cell car runs off hydrogen and oxygen.
35mm slides for astronomy.
Earth, Sun, and Mars model.
Shepard Tones: repeating tones appear to continuously ascend or descend
Revolving window illusion.
Rotating disk and strobe demonstration.
Indices of Refraction: glass in glycerin and phantom crystals.
Purkinje effect: At low intensity, blue is more visible than red.
Two sides plus red and green light gives full color illusion.
Java Applet "Moving ladybug shows vectors of motion"
Java Applet "Ladybug on Carousel shows vectors of motion"
Java Applet "Moving dot shows vectors of velocity and acceleration"
Java Applet "The Moving Man"
Java Applet "Moving car with graphed position to show linear sinusoidal motion"
Film Loop: "Worlds largest vacuumn chamber does coin and feather, 4:41 min"
Java applet: Conservation of energy skate park, movable tracks
Java Applet: Conservation of energy skate park, various graphical representations
Java Applet: Racing balls along different tracks
Java Applet "Forces and Motion on Horizontal Plane"
Java Applet "Forces and Motion on Inclined Ramp"
Java Applet "Molecular model of Friction"
Java Applet: "Mass-spring oscillator with optional energy graphs"
Java Applet "Inclined plane with adjustable friction and vectors shown"
Gyroscopes; various.
Swinging mass M lifts mass 2M
Equivalence of tension of spring attached to pole with mass vs mass at both ends.
Magnet inserted and withdrawn from copper ring causes ring to swing
Applet: Forces and Motion: Basics - Force, Motion, Friction
Grain Silo explosion: A cloud of power is ignited and blows lid off of can.
5 Metronomes on board and cans sync their oscillations
Applet: Forces in 1 Dimension
Rotational Inertia Wands
Applet: Forces Exerted on Bridges
Film: "Slinky Drop at Turkey Creek" 3:14 min
Applet: Gravity and Orbits
Applet: Gravity Force Lab
Applet: My Solar System
Applet: Downhill Racing
Applet: Collision Lab
Applet: Motion of the Center of Mass
Applet: Balancing Act
Applet: Ship Traveling in a Current
Applet: Masses and Springs
Applet: Pendulum Lab
Applet: Simple Harmonic Motion with and without Damping
Applet: Lissajous Figures
Applet: Normal Modes
Coupled Oscillations Simulation
Video: Slow Motion of Shattering Wine Glass
Video: Shattering Wine Glass : 0:42 min
Applet: Longitudinal and Transverse Wave Motion
Applet: Longitudinal Waves
Applet: Dispersion Applets
Applet: Fourier Synthesis
Applet: superposition
Applet: Chaotic Pendulum
Appet: Ripple Tank Simulation
Applet: Pinicple of Superposition (1)
Applet: Principle of Superposition (2)
Applet: Traveling Waves and Superposition -- Exercise Set 2
Applet: Stationary wave
Applet: Superposition of waves
Applet: Wave workshop
Applet: 2-D Wave Simulation
Applet: 3-D Wave Simulation
Applet: Sound Wave Interference
Applet: Vibrational Behavior of an Empty Beer Bottle
Applet: Vibrational Modes of a Tuning Fork
Applet: Longitudinal and Transverse Wave Motion
Applet: Standing Waves
Applet: Transverse and Longitudinal waves
Applet: Longitudinal Waves - 1
Applet: Standing logitudinal waves
Applet: Standing Wave (Explanation by Superposition with the Reflected Wave)
Applet: Vibrational Modes of a Circular Membrane
Applet: Hotel webcam of pool during California Eartquake 2010
Film: "Conservation laws in zero G", sound, 14 min..
Applet: Vibrational Modes of a Rectangular Membrane
Applet: Doppler Effect
Applet: Observe the change in a star's spectrum as its motion changes.
Search: Black Body
Applet: Doppler Shift
Applet: The Doppler Effect and Sonic Booms
Applet: An Example of Doppler Effect
Applet: Bauer & Westfall
Applet: Fourier Synthesis
Applet: Balloons & Buoyancy
Applet: Otto Engine
Applet: Carnot Circle
Applet: Fluid Pressure and Flow
Applet: Vector Fields
Applet: Faraday's Law
Applet: Buoyancy
Applet: Density
Applet: Fluid Pressure and Flow
Applet: Buoyant Force
Applet: More Buoyancy
Applet: States of Matter: Basics
Applet: Energy Forms and Changes
Applet: Gas Properties
Applet: A molecular explanation of pressure
Applet: Brownian motion
Applet: Maxwell's Demon
Applet: The Greenhouse Effect
Applet: Radiating Charge
Applet: Blackbody Spectrum
Applet: Synchrotron Radiation
Applet: Blackbody Radiation
Applet: Plank Radiation Formula
Applet: Electrodynamics Simulation
Applet: Antenna Simulation
Applet: Microwaves
Applet: Molecules and Light
Applet: Capacitor Lab
Applet: Circuit Construction Kit (AC+DC), Virtual Lab
Applet: Water Droplets in Electric Field
Applet: RC Circuits
Applet: CR Filter's Response (Analog)
Pewter bell rings true after submersion in liquid Nitrogen.
Gravitational lens model.
Applet: Charges and Fields
Applet: Electric Field Hockey
Applet: Electric Field of Dreams
Applet: John Travoltage
Applet: Balloons and Static Electricity
Applet: 3D Electrostatic Field Simulation
Applet: Field and potential produced by point charges
Applet: Electrostatics Visualizations - The Charged Metal Slab
Applet: Electric Field
Electrostatics Index
Applet: Electrostatics Simulation
Applet: 2-D Electrostatic Field Simulation
Applet: Faraday's Electromagnetic Lab
Applet: Faraday's Law
Applet: Genereator
Applet: The Falling Ring with Finite Resistance
Applet:Visualizing Electricity and Magnetism at MIT
Applet: Light Index
Applet: Circuit Construction Kit (AC+DC), Virtual Lab
Applet: Molecular Expressions Electricity and Magnetism
Applet: Inductance
Applet: RLC Circuits (DC)
Applet: RLC Circuits (AC)
Applet: Circuit Simulator
Applet: Magnet and Compass
Applet: Magnets and Electromagnets
Applet: Current Loop
Applet: Force on Moving Charges
Applet: Magnetostatics Index
Applet: Magnetic Field
Applet: 3-D Magnetostatic Field Simulation
Applet: Circuit Construction Kit (AC+DC), Virtual Lab
Applet: AC circuits: alternating current electricity
Applet: Radiating Charge
Applet: Radio Waves & Electromagnetic Fields
Applet: Electrodynamics Simulation
Applet: Electromagnetic Wave Propagation
Applet: The Field of a Moving Charge
Applet: Antenna Simuulation
Applet: Battery-Resistor Circuit
Applet: Conductivity
Applet: Kirchhoff's Rules (Circuit 2)
Applet: Circuit Construction Kit (AC+DC), Virtual Lab
Applet: Ohm's Law
Applet: Resistance at the Molecular Level
Applet: Fermi Level, Fermi Function and Electron Occupancy of Localized Energy States
Applet: Fermi Level vs. Carrier Concentration and Doping of Donor and Acceptor Impurities
Applet: Diffraction
Applet: Single-Slit Difraction
Applet: Neon Lights & Other Discharge Lamps
Applet: Tim's Grating
Applet: Michelson-Morley Experiment
Applet: Interference of Waves
Applet: Double slit experiment
Applet: Interference of Light at a Double Slit
Applet: Geometric Optics
Applet: Thin Lens
Applet: Two thin lenses
Applet: Spherical Thin Lens in Gauss' Condition
Applet: Auto-colimation Method
Applet: Bessel Method
Applet: Badal Method
Applet: Vision Corrections
Applet: Setting the reticulated bezel
Applet: Astronomical Telescope
Applet: Galileo's Telescope
Applet: The Microscope
Applet: Thin Lens (converging/diverging lens/mirrors)
Applet: Plane Mirror
Applet: Spherical mirror: study of stigma
Applet: The Newton telescope
Applet: The Cassegrain telescope
Applet: Polarization of Light (3-D Version)
Applet: Color Vision
Applet: Optical Illusions
Applet: Additive Color
Applet: The Prism
Applet: Electric Field Lines around an Oscillating Charge
Applet: Electromagnetic Wave Propagation
Applet: Synchrotron Radiation
Applet: Fermat's Principle
Applet: Radiation Pressure
Applet: Reflection of a sin wave
Applet: Bending light
Applet: Refraction and Reflection
Applet: Specular and Diffuse Reflection
Applet: Refraction of Light
Applet: Reflection and Refraction
Applet: Physics of Rainbows
Applet: The world above the water, as seen by a fish
Applet: Diopter: a study of refraction
Applet: Spherical surface: a study of refraction
Applet: Blackbody Spectrum
Applet: Conductivity
Applet: Davisson-Germer: Electron Diffraction
Applet: Photoelectric Effect
Applet: Build an Atom
Applet: Models of the Hydrogen Atom
Applet: Orbits
Applet: Quarks
Applet: Atoms and Spectra
Applet: Elements
Applet: Electron Configurations
Applet: Rutherford Scattering
Applet: Predicted Rutherford Scattering from a Thomson Atom
Applet: Schordinger wave equation
Applet: Space-Time Physics
Applet: Special Relativity and clocks
Applet: Light Clock
Applet: Alpha Decay
Applet: Beta Decay
Applet: Radioactive Dating Game
Applet: Decay
Applet: Cyclotron
Applet: Nuclear Fission
Applet: Nuclear Decay
Applet: Laser
Applet: Molecular Motor
Applet: Optical Tweezers and Applications
Applet: The Laser
Applet: Laser Fundamentals
Applet: Band Structure
Applet: Double Wells and Covalent Bonds
Applet: Quantum Bound States
Applet: Quantum Tunneling and Wave Packets
Applet: Quantum Wave Interference
Applet: Quantum Physics Online
Applet: Hydrogen Atom Orbital
Applet: Molecular Orbital
Applet: 1-Dimensional Particle States
Applet: 1-Dimensional Radiative Transitions
Applet: Atomic Dipole Transitions
Applet: 2-Dimensional Rectangular Box
Applet: 2-Dimensional Circular Box
Applet: 2-Dimensional Harmonic Oscillator
Applet: Rigid Rotor
Applet: 3-Dimensional Harmonic Oscillator
Applet: Planetary Motion
Applet: Kepler's Laws Demonstrations
Applet: Projectile Orbits and Satellite orbits
Applet: Newton's Canon Animation
Applet: SSC, Orbit
Applet: Observe the change in a star's spectrum as its motion changes
Applet: Kepler's Second Law
Applet: Moon
Applet: Kepler Motion
Applet: Shoot a cannonball into orbit!
Applet: Fourier Synthesis
Applet: Superposition of waves
Applet: Cosmos Scale
Various Levers Set Out for Display
Cut out pie pan demonstrates path when centripetal force disappears
Mass Driver
Fan and sailboat on wheels
Curie temperature
Stacking Blocks Extend Over Base
Extreme Spin on Launched Ball
Mass driver: One of these balls is not like the other
Superhydrophobic surfaces
Rotating Platform for Outreach
Spinning Bicycle Wheel Stays Upright.
Falling coffee cup is arrested by friction
"Sweet Spot": Meterstick pivot point changes with point struck.
35mm slides for astronomy.
"Plum pudding": Corks with magnets float in bowl/solenoid on OHP.
Film loop: "Colliding freight cars", 2:45 min.
Primary and Secondary Bow of a Rainbow
Film loop: "Dynamics of a billiard ball", 4:00 min.
Applet: Zen Photon Garden
Simple motor rolls straight and in circle
Drawing ellipse on chalkboard
Electric winch tows car at constant speed, then constant acceleration.
3"x 4" slides of standards and units and cassette tape of WWV.
Film: "Powers of ten", sound, 10 min.
Solids to show; cone, pyramid, icosahedron, etc.