DCRS

1048 results

Falling Slinky's bottom stationary until top reaches it

Mass on scale is accelerated

Inclined airtrack: Cart and ball accelerate in unison.

A chain dropped onto a force plate.

Film: "Zero G", sound, 14 min.

Film: "Conservation laws in zero G", sound, 14 min.

Film loop: "Inertial forces: Centripetal acceleration", 3:15 min.

Java Applet: The Ramp

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"

Swinging mass M lifts mass 2M
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.
1C30.10
Timed free fall: Ball drops 2 meters through electronic timing gate.
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.
1D52.10
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.
1G10.10
A falling weight accelerates a car horizontally.
1G10.40
Atwood machine: Unbalanced weights on a pulley accelerate slowly.
1G20.60
Film loop: "Inertial forces:Translational acceleration", 2:05 min.
1G20.76
Cork float accelerometer: Cork and water in sealed flask.
1M40.20
Loop the loop: Sphere, hoop, disk rolled down a looped track.
1Q40.23
Mechanical governor device.
1Q60.50
Chain lariat with hand drill or electric rotator.

Object rolls uphill, center of mass rolls downhill

Potential energy of spring imparted to ball on ramp

Film loop: "Conservation of energy: Pole vault", 3:55 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: "Mass-spring oscillator with optional energy graphs"
1D15.20
Equal path lengths ball race.
1D15.55
Brachistochrone: Three balls falling along different trajectories.
1M40.10
Bowling ball pendulum swings back to nose.
1M40.95
The Trebuchet
3A10.10
Ball on string mounts on blackboard and pivots on lower rod.

"Sweet Spot": Meterstick pivot point changes with point struck.

Projectile launched over rotating reference frame

Film: "Frames of reference", sound, 28 min.

Film loop: "Galilean relativity I", ball dropped from mast of ship,2:55min.

Film loop:"Galilean relativity II", object dropped from aircraft, 3:40 min.

Film loop: "Galilean relativity III", projectile fired vertically, 3:00 min.

Film loop: "A matter of relative motion", 3:40 min.

Film: "Slinky Drop at Turkey Creek" 3:14 min

Film: "A million to one", flea and dry ice puck, sound, 5 min.

Plank oscillates on oppositely rotating bicycle wheels.

Java Applet "Forces and Motion on Horizontal Plane"

Java Applet "Forces and Motion on Inclined Ramp"

Java Applet "Molecular model of Friction"

Java Applet "Inclined plane with adjustable friction and vectors shown"
1K20.15
Weighted wood block dragged horizontally by force sensor.
1K20.35
Blocks, with various surfaces slide on an inclined plane.

Movable masses attached to rigid rod and force sensors

Block pulled horizontally by a spring.

Equivalence of tension of spring attached to pole with mass vs mass at both ends.

Applet: Forces and Motion: Basics - Force, Motion, Friction

Applet: Forces in 1 Dimension

Applet: Forces Exerted on Bridges

Fan and sailboat on wheels
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.
1J40.20
A meterstick lever on a free-standing fulcrum with weights.
1J40.25
Precision lever: Balance beam on stand plus weight set.
1R10.10
Standard pan balance with assorted weights.
1R10.10
Weight on a vertical spring with markers on stand.

Java Applet Orbiting Bodies

Film: "The law of gravitation "(Feynman), sound, 56 min.

Applet: Gravity and Orbits

Applet: Gravity Force Lab

Applet: My Solar System

Drawing ellipse on chalkboard
1L10.10
Film loop: "The Cavendish experiment", 4:25 min.
1L10.30
The Cavendish experiment: Model and actual apparatus to show.

Inertia demonstration using hammer and anvil
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.

Off center cross beam changes moment of inertia

Moment of inertia: Hoop or disk rotated by falling weight.

Loop the loop: Sphere, hoop, disk rolled down a looped track.

Rotational Inertia Wands

Applet: Downhill Racing
1Q10.40
Two disks, one weighted in center and other on rim, roll down ramp.

Bike with one foot long trail

Hoop thrown forward rolls backwards

Gyroscopes; various.

Film: "Conservation laws in zero G", sound, 14 min..

Rotating Platform for Outreach

Spinning Bicycle Wheel Stays Upright.

Falling coffee cup is arrested by friction
1M40.50
Maxwell's wheel: Flywheel with axle, supported on strings or stand.
1Q30.25
Rotational inertia device: Sliding weights on rotating rod.
1Q40.10
Rotating chair with dumbbells or weighted bicycle wheel.
1Q40.11
Minor's apparatus: Movable discs rotated by falling weight.
1Q50.40
Large gyroscope in a suitcase.
1Q50.54
Sire's Polytrope.
1Q50.90
Maxwell's top, has adjustable center of gravity.
1Q60.15
Large conical aluminum top.

Applet: Collision Lab

Film loop: "Colliding freight cars", 2:45 min.

Film loop: "Dynamics of a billiard ball", 4:00 min.
1H10.10
Two people in rolling chairs pushing and pulling
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.
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.
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.
1N40.10
Executive size pool table
1N40.21
Plastic pucks on air table.
1Q40.40
Train on circular track moves one way and track moves the other.
4D30.20
Mechanical model of a gas: Vibrating balls strike piston on OHP.

Electric winch tows car at constant speed, then constant acceleration.
1C10.21
Electric winch tows car at constant speed.
1C10.27
Airtrack: Glider passes "start" and "stop" gates on digital timer.

Wall chart of metric system.

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.

Reaction jet: "L" tube rotates as water flows through it.

Elastic band acts as slingshot

Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law.

Water expelled through hose shows dependence on angle and cross sectional area
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.
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.
1D10.20
Cycloid disk draws path on chalkboard.
1K10.30
Rolling spool: String on spool is pulled at various angles.
3A15.50
"Sweet Spot": Meterstick pivot point changes with point struck.

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.

Tensegrity: The Impossible Table

Stability of ladder depends on weight distribution

Applet: Motion of the Center of Mass

Stacking Blocks Extend Over Base
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
1J30.10
Car hangs balanced by forces in mid-air over removable inclined plane.
1J40.70
Forces on crane boom measured with transducer.
1J40.75
Anatomical models: Skull, Arm, Leg
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.

Twisting a rod with one end fixed and the other hung with weights.

Applet: Balancing Act

Various Levers Set Out for Display
1J40.15
Torque wrench to demonstrate.

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.

Applet: Ship Traveling in a Current
1A40.10
X,Y,Z-coordinate system with vector arrows.
1A40.10
Vector arrows of various sizes and colors fit in wooden bases.

Chain hoist.

Block and tackle.
1M20.11
Pulley sets.
1M20.20
Block and tackle: Bosun's chair.

Applet: Chaotic Pendulum
3A95.52
Chaotic pendulum.

Compound pendulum: Meterstick with movable brass weight.

Damped oscillations: Flat steel spring with removable weights.

Java Applet: Simple Harmonic Motion & Uniform Circular Motion

Java Applet: A-vector and V-vector arrows

Pocket watch with mirror and laser twitches with balance wheel motion.

Applet: Masses and Springs

Applet: Pendulum Lab

Applet: Simple Harmonic Motion with and without Damping

Applet: Lissajous Figures
1Q10.20
Large torsion pendulum with different diameter rods.
3A10.10
Simple pendulum: Ball on a string.
3A10.14
Four pendulums on rod: Same mass, different lengths.
3A10.17
Four pendulums on rod: Same length, different masses.
3A10.17
Twelve pendulums: same mass, different lengths
3A10.30
Torsion pendulum with removable weights.
3A15.20
Physical pendulum: Steel bar with two pivot points.
3A20.10
Mass on a spring.
3A20.60
Ball rolling in a spherical dish on OHP.
3A40.20
Ball on turntable rotates beneath synchronized pendulum .
3A50.10
Large damped oscillator (mass on spring) with various damping disks.
3A60.55
Clock spring oscillator: Electrically driven and damped.
3A60.60
Inverted pendulum.
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
3D46.15
Tuning forks, various.

5 Metronomes on board and cans sync their oscillations

Applet: Normal Modes

Coupled Oscillations Simulation
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.

Clock spring oscillator: Electrically driven and damped.

Damped oscillations in a resonant LCR circuit on an oscilloscope.

Video: Slow Motion of Shattering Wine Glass

Video: Shattering Wine Glass : 0:42 min
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.
3B70.10
One tuning fork with tuned cavity, drives another.
3D40.55
Beaker is broken by sound from speaker.

Hand held long torsional wave device

Applet: Longitudinal and Transverse Wave Motion

Applet: Longitudinal Waves

Applet: Dispersion Applets
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.
3B10.50
Transverse wave model, hand-cranked.
3B10.70
Transverse 3-dimensional wave model, hand-cranked.
3B20.10
Suspended slinky on threads for compression wave.
3B20.35
Longitudinal wave model, hand-cranked.
3B39.10
Mechanical water wave model, hand-cranked.

Transparencies: Fourier superpositions.

Fourier decomposition: microphone and oscilloscope.

Applet: Fourier Synthesis

Applet: superposition
3C50.10
Fourier synthesis.

Moveable speakers create interference

Interference between two ultrasound sources (40 kHz).

Beats with two beer bottles blown manually.

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
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.
3B55.10
Interference of sound waves from two speakers, same generator.
3B55.40
Acoustic interference with Quincke (trombone) tube and sonalert.
3B60.10
Beats with tuning forks on tuned cavities.
3B60.20
Beats from two speakers observed on an oscilloscope.

Caruga horn: Varigated tube to blow through

Feedback from microphone/speaker system.

Applet: Vibrational Behavior of an Empty Beer Bottle

Applet: Vibrational Modes of a Tuning Fork
3B30.01
Ultrasound transducers (40 kHz) as both sources and receivers.
3B30.30
Bell ringing in a jar evacuated with pump.
3C20.15
Galton's whistle: Compressed air whistle.
3C20.16
Steel spring pendulum, inverted, vibrates at 10 Hz.
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.
3C50.12
Casio electronic synthesizer with amp and speaker.
3D30.35
Twirling Tube
3D30.40
Helmholtz resonators drive radiometer vanes, using tuning forks.
3D30.40
Helmholtz Resonators with tuning forks and a candle
3D30.70
Hoot Tube
3D46.40
Giant tuning fork, barely audible, displayed with stroboscope.

Driven standing waves with different mass/unit length strings.

Applet: Group Velocity Demonstration

Set of ten suspended metal rods struck with a wooden mallet.

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: Fourier Synthesis

Applet: Superposition of waves
3A60.50
Unbalanced spinning wheel vibrates spring steel reeds.
3B10.30
Torsion wave model.
3B22.10
Rope and strobe: Transverse standing waves, motor driven.
3B22.60
Model of longitudinal standing wave, hand-cranked.
3D20.10
Sonometer: Resonant chamber with bowed strings (2).
3D30.50
Ruben's tube: Standing sound waves in flames along a large pipe.
3D32.10
Set of eight organ pipes to make a major scale.
3D32.25
Tunable organ pipe.
3D40.10
Xylophone.

Film loop: "Vibrations of a metal plate", 3:45 min.

Film loop: "Vibrations of a drum", 3:25 min.

Young's modulus rod: Hammer and rod with nodes marked.

Applet: Vibrational Modes of a Circular Membrane

Applet: Hotel webcam of pool during California Eartquake 2010

Applet: Vibrational Modes of a Rectangular Membrane
3D30.60
Kundt's tube: Powder in tube shows standing waves.
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.

Speed of sound in air: Speaker resonates air column over water.
3B30.20
Measurement of speed of sound with microphone, speaker, oscilloscope.

Film loop: "Doppler effect", 3:45 min.

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
3B40.10
Sonalert swung on the end of a string.

Whip

Film loop: "Formation of shock waves", 3:45 min.

Applet: Bauer & Westfall

Film: "The Piano", sound, 27 min.

Applet: Fourier Synthesis
3C10.10
Ear models.

Global warming demo with CO2 levels rising
4C32.11
Humidity: Hygrometers to show.

Applet: Energy Forms and Changes
4B10.10
Computer demo: Nesting can calorimeter, runs 3 min.

Film loop: "Properties of a gas", 3:18 min.
4D30.10
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4F30.95
Carnot cycle models: Piston/cylinder, PVT surface.

Computer demo: Conductivity (see C+15+3), runs 5 min.
4B30.20
Set of metal rods: Heat-sensitive paint changes color.
4B30.40
Copper/wood cylinder wrapped with paper over bunsen burner.
4B50.20
Boiling water in paper cup; cup does not burn.
4B50.70
Copper gauze over flame; gas burns only above gauze.

Food coloring added to cold, room temperature, or hot liquid

Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling.

Applet: Balloons & Buoyancy
4B20.10
Heat water in "O" shaped tube adding a dye.
4B20.25
Cardboard strip drawn from glass tube extinguishes candle.
4D20.10
Crooke's radiometer with flashlight, arc lamp or IR source.

Model of an air pump.

Applet: Otto Engine

Applet: Carnot Circle
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.

Faucet for demonstration

Siphon from one beaker to another

Marriote’s Bottle. Vertical standpipe with constant water pressure

Pythagorean Cup and self starting siphons

Large sphere surrounded by small spheres rises to surface

Bernoulli effect: objects drawn together

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.

Applet: Fluid Pressure and Flow

Applet: Vector Fields

Applet: Faraday's Law

Extreme Spin on Launched Ball
2B60.60
Hydraulic ram water pump, working model.
2C10.10
Water in vertical standpipe with holes at different heights.
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.
2C40.63
Video camera shows fluid flow around various objects.
2C50.15
Airzooka
2C50.30
A water vortex in two soda bottles joined vertically.
4F10.30
A vortex tube seperates compressed air into jets of hot and cold air.

One balloon inflates another

Various bubble frames.

Superhydrophobic surfaces
2A10.25
Wire sieve boat floats on water until alcohol is added.
2A20.10
Set of capillary tubes and dye on video camera.
2A30.10
Soap boat or camphor boats in one meter square pan of water.

Illustration of buoyancy and drag force

Fist in and out of water

Drag demo with coffee filters

Interconnected tube of various elevations with immiscible liquids.

Ice is sliced in two by wire creating high pressure.

Mat held down by atmospheric pressure.

Incompressibility of water in two different sized syringes

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

Applet: Buoyancy

Applet: Density

Applet: Fluid Pressure and Flow

Applet: Buoyant Force

Applet: More Buoyancy
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.
2B30.25
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
2B35.15
Torricelli Barometer: Column of mercury in bell jar.
2B35.40
Large model of aneroid barometer.
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.
4B40.14
Archimedes' principle: Aluminum and brass cylinders.

Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display.
4F10.20
Ball race: Five different balls heated and placed on paraffin sheet.

Applet: States of Matter: Basics
4C20.53
Computer demo: Heat of fusion of tin.

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.
4F10.10
Drum in glycerine rotates to smear line of dye into a plane and back.
4F10.20
Black balls and white balls in a box are shaken.

Hexstat probability device.

Diffusion of Ammonia and HCl.

Equipartition of Energy: Different mass balls bounce out at different times.

Applet: Gas Properties

Applet: A molecular explanation of pressure

Applet: Brownian motion

Applet: Maxwell's Demon
2C30.10
Viscosity of air: One rotating disk drives another.
3B30.50
Breathe helium, voice pitch rises; breathe SF6, voice pitch lowers.
4B10.70
Ruchardt's tube: Ball oscillates in a vertical glass tube on jug.
4D10.10
Brownian motion: Smoke particles viewed using TV camera.
4D10.20
Brownian motion: Like C+55+0, with an aluminum disk added.
4D30.10
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D30.20
Mechanical model of a gas: Vibrating balls on OHP.
4D30.40
Stoekle's apparatus: Heated tube with mercury and glass bits.
4D50.20
Osmosis of helium through semi-porous cup.

Pressure Chamber for Demonstrating the Critical Temperature and Opalescence

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.

Pewter bell rings true after submersion in liquid Nitrogen.

Film: "Bubble model of a metal", silent, 11 min.

Model of calcite crystal.
1R50.20
Wave surfaces of crystals.
1R50.30
Assorted crystals to show.
4A40.90
Molecular models, ball and stick.
7B50.50
Wall chart of periodic table.

Blackbody color change as temperature increases

Large transformer heats metal strip with chalk marks on it.

FLIR T200 Infrared camera

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
4B40.10
Light the Match.
4B40.11
Concave mirrors focus candle flame on thermopile across bench.
4B40.40
Computer demo: Kirchhoff's radiation law, runs 15 min.
4D20.10
Crooke's radiometer with flashlight, arc lamp or IR source.
6B40.20
Box with white interior appears black from hole in the side.

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.

Grain Silo explosion: A cloud of power is ignited and blows lid off of can.
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.
4B60.70
Steam gun: Friction heated water in tube shoots a cork.
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.
4C20.20
Ice bomb: Iron sphere ruptured by freezing water.
4C20.45
CO2 fire extinguisher: Expanding gas freezes into snow.
4C30.25
Hot water geyser, runs 5-10 min.
4C31.40
Dippy bird: Large glass bird containing ether oscillates.
4C33.50
Franklin's pulse glass: Two glass bulbs and tube containing ether.
4E10.11
Galileo's air thermometer forces liquid down when heated.
4E20.10
Boyle's Law: At constant T, Pressure times Volume is a constant.
4E30.10
Gay-Lussac's Law: At constant V, Pressure is proportional to Temperature.

Galilean thermometer

Transparency: Comparison of F deg , C deg , and K temperature scales.

Transparency: Chronological history of the concepts of heat.
4A10.10
Measurement of temperature: Various types of thermometers.
4A10.50
Liquid Crystals: sheet changes colors with body temperature.
4E10.11
Galileo's air thermometer forces liquid down when heated.
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.
4C20.40
Freezing liquid Nitrogen.
4C30.15
Triple Point demo: Water boils under vacuum making ice.
4C50.40
Triple Point: Cooled water in sealed cell exhibits all three phases.

Coefficient of restitution depends on temperature

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.

Applet: Microwaves

Applet: Molecules and Light
1R20.15
Young's modulus of elasticity: Weight stretches wire.
1R20.70
Prince Rupert's Drops.
1R30.20
Shear: Foam block.
1R40.10
Elasticity: Balls bouncing on steel or glass cylinder.

Energy Stored in Dielectric

Attraction between plates of a capacitor causes attachment of plates when insulator is introduced.

Attraction between horizontal plates of a charged capacitor.

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.

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.

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)
5C10.10
Various capacitors to show.
5C20.10
Parallel plate capacitor with dielectric materials and electroscope.
5C20.21
Force on a dielectric in a capacitor
5C30.30
Discharging a capacitor through a lamp.
5C30.42
Series capacitor array.
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.

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.

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.

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
1N10.55
Waveguide pieces to show.
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
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.
5N30.30
3 cm. microwave transmitter and receiver.
5N30.31
3 cm. microwave klystron oscillator with cavity and waveguides.

Alternate charge resides on outside of conductor

Like Charges Attract

Polarization of can causes rolling

Vector arrows to show electric field and particle motion

Electric fields: Lines of force shown on an OHP.

Transparency: Mapping of an electric field.

Discharging an electroscope through ionization

Charge resides on the outside of a conductor.

Electrostatic doorbell: Ball bangs between charged plates.

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
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.
5A20.20
Pith balls on thread, with positive and negative charged rods.
5A20.22
Attraction and repulsion of charged styrofoam balls.
5A40.16
Charging an electroscope by induction.
5A40.70
Kelvin water drop electrostatic charge generator.
5A50.10
Wimshurst machine, large or small.
5A50.30
Van de Graaff generator.
5B10.15
Electrostatic pinwheel:Van de Graaff makes pinwheel spin.
5B20.10
Faraday's ice pail: Charge induced on the outside of a pail.
5B20.35
Faraday cage: blocks signal from portable radio
5B30.40
Electric field created by Van de Graff splits ions in flame
5C30.10
Various Leyden jars to show.

Jumping Rings with AC or DC driving

Oscillating magnets in coupled coils

Eddy currents: Copper disk rotates over a spinning bar magnet.

Skin effect: Metal sheet shielding varies with frequency.

Equivalence of large and small loops around enclosed flux

Flux through loop. EMF depends on position of the meter?

Magnet inserted and withdrawn from copper ring causes ring to swing

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
5J10.20
Back EMF in a series DC motor with large flywheel.
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.
5K20.10
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.
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.

Energy stored in large coil with soft iron core flashes bulb.

Applet: Circuit Construction Kit (AC+DC), Virtual Lab

Applet: Molecular Expressions Electricity and Magnetism

Applet: Inductance
5J20.10
LR time constant: Square wave drives series LR on oscilloscope.
5L10.10
AC dimmer: Soft iron core in coil dims lamps.

Applet: RLC Circuits (DC)

Applet: RLC Circuits (AC)

Applet: Circuit Simulator
5L20.10
Phases of V and I in series circuit as RL shifts to RC.

Electromagnet with removable core

Earth model with internal magnet and pivoting probe magnet.

Magnetic field around a solenoid with pivoting probe magnet.

Torque on coil suspended between two magnets.

Elementary motor: De La Rive Tube - out of service

Hall effect: Magnetic field induces a voltage in a neon plasma.

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
5G10.16
Suspended magnetic lodestone on string.
5H.40
Force on current carrying wire in a magnetic field
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.
5H15.10
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.
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.
5H40.10
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.

Inverter Magnet

Making a magnet by electromagnetic induction.

Mass Driver

Curie temperature

Mass driver: One of these balls is not like the other
5G10.20
Making small magnets by breaking up a larger magnet.
5G20.10
Barkhausen effect: Magnet and coil with soft iron core.
5G20.30
Barkhausen effect model: Many tiny magnets on pivots on OHP.
5G30.10
Para and diamagnetic materials in magnetic field with OHP.
5G30.10
Para and diamagnetic materials in magnetic field with arc lamp.
5G50.50
YBaCuO pellet with magnet in liquid nitrogen on TV camera.
5H20.20
Wobbly bar: Magnets in frame balanced by repulsive forces.
5H25.25
Linear motor: An iron core jumps into a solenoid.

Elementary galvanometer: Coil on spring in magnetic field.

Mavometer: Ammeter / voltmeter / galvanometer

Various meters for display.

Applet: Circuit Construction Kit (AC+DC), Virtual Lab
5H25.10
Tangent galvanometer: Compass needle pivots in a coil.
5H40.71
Ammeter shunt: Only a small current flows to the meter.

AC induction motor: Armature in a whirling field.

Elementary motor: Electron beam revolves in magnetic field.

Elementary motor: Magnets and battery and copper coil make a simple motor.

Applet: AC circuits: alternating current electricity

Simple motor rolls straight and in circle
5H40.70
Elementary motor: Magnet, wire and battery make a simple motor.
5K40.10
Rolling bar motor: Same as D+30+ 20.
5K40.10
Elementary split-ring armature DC motor. D+15+6 as a motor.

The Braun tube with magnetic and electrostatic deflection.

Conductivity of solution with free ions

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.

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
5D10.40
Resistor analog: Marbles cascading down pin board.
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.
5F15.16
Watt's law: Variable resistor, glow coil, volt and amp meter.
5F15.35
High current melts the fuse wire.
5F20.55
Resistance boards: Series, parallel, Wheatstone bridge.
5F30.60
Oscillator with resistor, capacitor and neon lamp.
5F30.60
Same as D+55+12 using oscilloscope to display waveform.

Photoelectric effect: Light on P-N junction causes current flow.

Impact on piezo-electric device flashes neon bulb.

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
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.
7A10.40
Several commercial solar cells.
7A10.40
Commercial solar cell spins propeller using small arc lamp.
5D40.42
Edison effect: Electrons are cast off from hot filament.
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.

Automobile coil makes a spark.
5D40.10
Same as above: Secondary used for small Jacob's ladder.
5D40.10
Large Jacob's ladder.
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.
5N20.40
Large Tesla coil. 15 inch discharge.
5D40.25
Copper nail and iron nail in a lemon using a multimeter.
5E40.20
Gotham cell: Assorted metal electrodes in sulfuric acid bath.
5E40.60
Storage cell: Gotham cell is charged up and rings a bell.
5E20.10
Electrolysis of water produces hydrogen and oxygen.
5E20.15
Bubble Electrolysis.

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.

Applet: Color Vision

Applet: Optical Illusions

Applet: Additive Color
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.
6J11.10
Rotating disk with black and white lines makes color illusion.
6J11.70
Standard color blindness tests and box of colored yarns.
7B11.40
Arc light spectrum with various filters.

Limit of Resolution: Blue or Red LEDs that can be brought together

Applet: Diffraction

Applet: Single-Slit Difraction
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.
6C20.10
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.
6D20.10
Laser beam through sets of 1, 2, or multiple electro-formed slits.
6J10.80
Limit of resolution: Two small lamps on adjustable slide.
6Q20.10
Laser beam diffraction off coil and being reassembled (DNA analysis simpulation a la Rosalind Franklin's experiment)
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.

Wall chart of mercury spectrum.

Applet: transmission and absorption spectra of all the elements

Applet: Neon Lights & Other Discharge Lamps

Applet: Tim's Grating
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.
7B10.10
Hand-held gratings for class to view Hg, Ne discharge tubes.
7B10.11
Arc lamp spectra from NaCl, CaCl2, SrCl soaked rods.
7B11.10
Absorption spectrum of Na using arc lamp, slit and grating.

Films: "Laser light", U of Utah, sound, 38 min.; "Introduction to Holography",sound, 17 min.; "Introduction to Lasers", sound, 17 min.
6Q10.10
Transmission hologram viewed with laser light.
6Q10.10
Reflection hologram viewed with white light.

Red/green/blue line source viewed with double slit paddles.

Laser projected through Fabry-Perot interferometer shows pattern.

Applet: Michelson-Morley Experiment

Applet: Interference of Waves

Applet: Double slit experiment

Applet: Interference of Light at a Double Slit
3B50.12
Ripple tank with plane or spherical water waves and barriers.
3B50.55
Large wood model of a double slit with hinged waves.
6D10.20
Microwave interference with single and double slits.
6D20.10
Laser beam through various slit and grating combinations.
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.
6D40.10
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.

Real images: Lighted ‘F-object’ and an astygmatic lens.

Real images: Lighted ‘F-object’ and a cylindrical lens.

Air, glass and water lenses in water tank with arc lamp.

Cylindrical lens of lucite with words "DIOXIDE GLASS".

Cylindrical aberration: Wooden model.

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
6A10.10
Blackboard optics: Light sources with lucite lenses.
6A60.31
Real images: Lighted arrow image and various lenses.
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.
6A70.10
Galilean telescope: similar to E+30+45.
6A70.10
Compound microscope is assembled from lenses.
6A70.20
Astronomical telescope: Using objective and eyepiece lenses.
6J10.21
Model of the eye, with near/far sight lenses, using arc lamp.
9A30.20
Lantern slide projector with removable housing.
6F10.61
Color by reflected and transmitted light, using gold leaf.

Shape of Reflection depends on shape of mirror

Hand held plane mirror and right angle mirror.

Retrodirective reflector: Silvered right angle prism, using laser.

Applet: Thin Lens (converging/diverging lens/mirrors)

Applet: Plane Mirror

Applet: Spherical mirror: study of stigma

Applet: The Newton telescope

Applet: The Cassegrain telescope
6A10.10
Blackboard optics: Light sources with plane and curved mirrors.
6A10.11
Arc lamp and mirror on large disk rotate showing beam angles.
6A10.40
Variable angle mirror assembly with candle.
6A10.45
Barbershop mirrors:Parallel mirrors with light bulb.
6A10.60
Phantom lightbulb: Image in a plane mirror.
6A20.30
Phantom bouquet: Real image from a concave mirror.
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).

Shiny object turns black viewed through linear polarizer and quarter wave plate

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.

10_ retarder plate makes dark bands in spectrum, using arc lamp.

Applet: Polarization of Light (3-D Version)
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.
6H20.20
Malus experiment: Polarization by reflection off glass surface.
6H20.40
Polarization of light through a pile of glass plates, using arc lamp.
6H30.30
Optical rotation by sugar solution produces barber pole, using arc lamp.
6H30.41
Optical rotation of polarized light by sugar solution, using arc lamp.
6H35.10
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.
6H50.10
Sunset: solution in tank scatters blue light, 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.

Binoculars and Porro prisms to show.

Applet: The Prism
5N30.10
Refraction of white light by prism using arc lamp.
6A42.10
Blackboard optics: Light source and lucite prism.
6A44.68
Total internal reflection: 45 deg-45 deg-90 deg prism using arc lamp.
6F30.20
Light from arc lamp enters direct view prism emerges as spectrum.

He-Ne laser compared to non-coherent red light bulb.

Applet: Electric Field Lines around an Oscillating Charge

Applet: Electromagnetic Wave Propagation

Applet: Synchrotron Radiation

Applet: Fermat's Principle

Applet: Radiation Pressure
6A61.20
Image formed by a pinhole using three light bulbs in a box.
6B10.20
Inverse square law: Light bulb in wire frame.

Glass cube demonstrates reflection, refraction, and total internal reflection.

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.

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

Primary and Secondary Bow of a Rainbow

Applet: Zen Photon Garden
6A10.18
Reflection of microwaves off an aluminum plate.
6A40.40
Variable index of refraction: laser beam bends in water tank with sugar.
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
6A46.10
Rainbow: Refraction of white light by a liquid sphere.

IR source illuminates audience viewed with CCD TV camera in dark room.

FLIR T200 Infrared camera

Measurement of light intensity: Footcandle meter.

Applet: Blackbody Spectrum
4B40.11
Concave mirrors and horn thermopile senses candle across room.
4D20.10
Crooke's radiometer with flashlight or IR source.
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.
7B13.50
UV light causes mineral and fabric samples to fluoresce different colors.

Braun tube (CRT) with magnetic and electrostatic deflection.
5H30.10
Vacuum tube with screen show cathode rays bent with a magnet.
5M20.20
Vacuum tube with metal cross makes shadow with cathode rays.
5M20.20
Vacuum tube with paddlewheel spins from cathode ray impact.

X-Ray tube: Hard X-rays detected by fluorescent screen.

X-ray beam through cloud chamber shown on TV camera
5D40.80
X-rays ionize electrode and discharge electroscope.
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.

Film: Matter Waves, sound, 28 min.
7A60.10
Electron diffraction by aluminum and graphite on CRT.

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.

Applet: Conductivity

Applet: Davisson-Germer: Electron Diffraction

Applet: Photoelectric Effect
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.
9A80.40
Film: "Photons", sound, 19 min..
9A80.40
Film: "Interference of photons", sound 13 min.
9B20.30
Photomultiplier tubes to show.

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.

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
7B50.10
Mechanical models of the hydrogen atom.
7B50.50
Wall chart or online applet of periodic table.
7D50.10
Rutherford scattering model: Steel balls, launcher, and "hill".
7D50.30
"Plum pudding": Corks with magnets float in bowl/solenoid on OHP.

Java applets: Quantum Properties

Barrier penetration simulation

Applet: Schordinger wave equation
7A50.20
Tunneling:Microwave analogy using wax prisms.

Fundamental particle and interaction chart.(LBL)

Cloud chamber shows X-rays: Same as F+5+10.
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.

Film: "Franck-Hertz experiment", sound, 30 min.

Applet: various simulated experiments

Applet: Space-Time Physics

Applet: Special Relativity and clocks

Applet: Light Clock

Wall chart of the nuclides.

Film loop: "Radioactivity", 4:00 min.

Applet: Alpha Decay

Applet: Beta Decay

Applet: Radioactive Dating Game

Applet: Decay
7D10.10
Geiger counter.
7D10.40
Mechanical model of radioactive decay.
7D30.11
Scintillation counter using Geiger tube.

Applet: Cyclotron
7D30.70
Large mechanical model of the cyclotron.

Demonstration of Proton Proton Chain

Model of the uranium pile.

Applet: Nuclear Fission

Applet: Nuclear Decay
7D20.10
Mousetrap chain reaction experiment.
5G50.50
YBaCuO pellet with magnet in liquid nitrogen on TV camera.

Magnetic field splits Cd interferometer lines on TV camera.

Working helium-neon laser in transparent housing.

Applet: Laser

Applet: Molecular Motor

Applet: Optical Tweezers and Applications

Applet: The Laser

Applet: Laser Fundamentals

Fuel cell car runs off hydrogen and oxygen.

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

35mm slides for astronomy.

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!

Earth, Sun, and Mars model.

Gravitational lens model.

Applet: Cosmos Scale

Cut out pie pan demonstrates path when centripetal force disappears
8A10.15
Solar system model.
8A40.15
Vault of the heavens: Large lucite globe.

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.
6A20.30
Phantom Bouquet: Real image from a concave mirror.
6A20.35
Clam shell mirrors: Floating coin illusion.
6J11.52
Optical illusion posters.

Purkinje effect: At low intensity, blue is more visible than red.

Two sides plus red and green light gives full color illusion.
3C20.16
Limit of audibility: Set of rods that ring at different frequencies.
6B40.41
Detection of the IR, visible, and UV spectra using arc lamp on TV camera.
6H10.80
Limit of resolution: Two movable pin-points of light.
6J11.10
Rotating disk with black and white lines makes color illusion.
6J11.65
Pulfrich Effect: Pendulum and polaroid experiment.
6J11.70
Set of color blindness cards.

35mm slides for astronomy.

B+20+30

"Plum pudding": Corks with magnets float in bowl/solenoid on OHP.