Duke Physics Department

Demonstrations

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      1  Mechanics

1/1A   Measurement


1/1C   Motion in One Dimension

1C10.61 Tennis Ball Vacuum Cannon
1C20.10 Penny and Feather Paradox
1C20.20 String and Weights Drop
1C20.30 Inclined Air Track

1/1D   Motion in Two Dimensions

1D15.20 High And Low Roads
1D40.12 Tennis Racquet: Center of Mass
1D40.35 Earth-Moon System
1D40.51 Swivel Hips on Cart
1D50.10 Ball on a String
1D50.20 Ball on Cord
1D50.25 Conical Pendulum
1D50.29 Conical Pendulum Game
1D50.40 Pail of Water
1D50.45 Penny on a Coathanger
1D52.10 Flattening Earth
1D52.17 Empty Jug by Swirling
1D52.20 Water Parabola
1D52.30 Ball in Water Centrifuge
1D52.31 Inertial Pressure Gradient
1D52.391 Spin Quarter and Bearings
1D60.05 Ball to Throw
1D60.10 Howitzer and Tunnel
1D60.20 Simultaneous Fall
1D60.30 Monkey Gun

1/1E   Relative Motion

1E10.051 Relative Motion
1E30.24 Spinning Coriolis Globe

1/1F   Newton's First Law

1F20.10 Inertia Masses
1F20.16 Hanging Mass and Stick
1F20.20 Hammer and Plate
1F20.30 Tablecloth Pull
1F20.36 Pen and Embroidery Hoop
1F30.21 Water hammer

1/1G   Newton's Second Law

1G10.18 Battery Propeller Force Generator
1G10.40 Atwood Machine
1G20.20 Falling Bubble
1G20.30 Leaky Pail Drop
1G20.45 Dropped Slinky
1G20.70 Accelerometer Puck

1/1H   Newton's Third Law

1H10.10 Push Me/Pull Me Carts

1/1J   Statics of Rigid Bodies

1J10.12 Hanging Irregular Shapes
1J10.20 Loaded Beam, Moving Scales
1J10.201 Meterstick on Moving Fingers
1J11.10 Leaning Tower of Pisa
1J11.20 Corbelling
1J11.50 Double Cone Rolls
1J20.11 Stability of a Cone
1J20.20 Fork, Spoon, and Match
1J20.25 Nine Nails on One
1J20.40 Balancing Objects
1J30.10 Levitating Block
1J30.25 Rope and Three Students
1J30.70 Sand in a Tube
1J30.75 Stand on an Egg
1J40.211 Variable Torque Beam
1J40.23 Equal Arm Balance

1/1K   Applications of Newton's Laws

1K10.30 Walking the Spool
1K10.50 Rolling Uphill
1K20.10 Friction Blocks
1K20.15 Weight Dependence of Friction
1K20.20 Area Dependence of Friction
1K20.302 Block on Rods
1K20.303 Roller Bearings
1K20.35 Angle of Repose

1/1L   Gravity

1L20.10 Gravitation Well: Rubber Diaphragm

1/1M   Work and Energy

1M20.01 Collection of Simple Machines
1M20.10 Pulleys
1M20.40 Levers (Crowbar)
1M20.40 See-Saw
1M40.10 Bowling Ball Pendulum
1M40.15 Stopped Pendulum/Galileo's Pendulum
1M40.20 Loop-the-Loop (Balls, etc.)
1M40.40 Ballistic Pendulum
1M40.50 Maxwell's Yo-Yo
1M40.501 Big Yo-Yo
1M40.64 Spring Gun
1M40.67 Spring Jumper
1M40.90 Rattle Back

1/1N   Linear Momentum and Collisions

1N10.20 Egg in Sheet
1N21.10 Floor Carts and Medicine Ball
1N22.10 Fire Extinguisher Cart
1N22.20 Water Rockets
1N22.311 Stomp Rocket
1N30.10 Newton's Cradle
1N30.41 Bullet Inelastic Collision
1N30.50 Elastic/Inelastic Collisions
1N30.60 Double Ball Drop

1/1Q   Rotational Dynamics

1Q10.30 Ring, Disk, and Sphere on Incline
1Q10.40 Racing Discs
1Q10.50 Racing Soups
1Q20.10 Spoked Wheel
1Q20.111 Hoberman Sphere/Stellar Collapse
1Q20.50 Falling Ball, Hinged Stick
1Q20.501 Toppling Chimney
1Q20.55 Pennies on a Meter Stick
1Q30.30 Catch the Bag on the Stool
1Q30.321 Ball on Rotating Semicircle
1Q40.10 Rotating Stool and Weights
1Q40.25 Pulling on the Whirligig
1Q40.30 Rotating Stool and Bicycle Wheel
1Q40.70 Ball and Funnel
1Q40.80 Hero's Engine
1Q50.15 Euler's Disk Precession
1Q50.22 Suspended Bicycle Wheel
1Q50.50 Precession with Gyro
1Q60.30 Tippe Top
1Q60.35 Spinning Football
1Q60.36 Spinning Egg
1Q60.50 Spinning Lariet
1Q60.541 Downy Ball
1Q60.751 Gyro Ring
1Q60.80 Static and Dynamic Balance

1/1R   Properties of Matter

1R10.10 Hooke's Law
1R40.30 Happy/Sad Ball Bounce
1R50.20 Crystal Model


      2  Fluid Mechanics

2/2A   Surface Tension

2A10.20 Floating Metals
2A10.33 Surface Tension Disk
2A10.35 Cohesion Plates
2A10.40 Pepper and Soap
2A10.52 Two Balloon Surprise
2A20.10 Capillary Tubes
2A30.21 Surface Tension Flea

2/2B   Statics of Fluids

2B20.40 Pascal's Vases
2B20.76 Incompressibility of Liquids
2B30.10 Crush the Can
2B30.30 Magdeburg Hemispheres
2B30.36 Suction Cups
2B40.10 Weigh Submerged Block
2B40.20 Archimedes' Principle
2B40.30 Cartesian Diver
2B40.35 Hydrometers
2B40.44 Helium Balloon in Liquid Nitrogen
2B40.59 Density Ball
2B40.71 Floating and Density
2B40.72 Adding Salt
2B60.10 Hero's Fountain
2B60.20 Siphon
2B60.70 Spiral Pump

2/2C   Dynamics of Fluids

2C10.10 Velocity of Efflux
2C20.10 Bernoulli Tubes
2C20.30 Floating Ball
2C20.35 Funnel and Ball
2C20.40 Lifting Plate
2C20.44 Coin in Cup
2C20.45 Attracting Sheets
2C20.50 Airplane Wing
2C20.60 Curve Ball
2C20.661 Vortex Ring Gun
2C20.96 Aerobie
2C30.13 Viscosity - Viscosimeter
2C30.25 Viscosity of Oil
2C30.621 Badminton Shuttlecocks
2C30.65 Coffee Filters Terminal Velocity
2C30.681 Terminal Velocity (Parachutes)
2C50.10 Smoke Ring
2C50.15 and 2C50.131 Vortex Cannon
2C50.30 Tornado Tube
2C60.20 Density Balls in Beans
2C60.40 Silly Putty


      3  Oscillations and Waves

3/3A   Oscillations

3A10.15 Bowling Ball Pendulum
3A10.20 Upside-Down Pendulum
3A10.30 Torsional Pendulum
3A15.10 Physical Pendulum
3A15.25 Oscillating Hoop
3A20.10 Mass on a Spring
3A20.20 Springs in Series and Parallel
3A20.30 Airtrack Glider and Spring
3A40.60 Acceleration in Pendular Motion
3A40.72 Spring with Spray Paint
3A50.45 Oscillating Guillotine
3A60.40 Driven Mass on Spring
3A60.48 Electromagnetically Driven Apparatus
3A60.50 Resonance Reeds
3A60.541 Mechanical Clock
3A70.10 Wilberforce Pendulum
3A70.20 Coupled Pendula
3A70.21 Coupled Metronomes
3A70.231 Coupled Rotation Toy
3A70.40 Inverted Coupled Pendula
3A95.52 Chaotic Pendulum
3A95.53 Mechanical Chaos Demo
3A95.55 Electronic Chaos Circuit
3A95.70 Pump-a-Swing

3/3B   Wave Motion

3B10.10 Pull on Rope
3B10.18 (and 3B22.351?) Waves on a String
3B10.20 Slinky on a Table
3B10.30 Transverse Wave Generator
3B10.50 Vertical Body Wave Model
3B10.51 Vertical Rods Wave Model
3B22.10 Melde's Vibrating String
3B22.23 Standing Wave on String
3B22.30 Shive/Bell Labs Standing Waves
3B22.90 Traveling Standing Wave Model
3B25.55 Space Phones
3B30.01 Ultrasonic Wave Phenomena
3B30.10 Speed of Sound by Phase Difference
3B30.30 Bell in Vacuum
3B30.40 Speaker and Candle
3B30.50 Helium Talking
3B30.65 Transmission of Sound Through Wood/ Tooth Tunes
3B33.20 Two Combs
3B35.60 Ripple Tank Accessories
3B40.10 Doppler Buzzer
3B40.16 Doppler Rocket
3B40.20 Doppler Spear
3B40.25 Doppler Reed
3B45.20 Pop the Champagne Cork
3B50.40 Moire Pattern Transparencies
3B55.10 2 Speaker Bar
3B55.201 Two Speaker Interference
3B55.30 Baffle and Speaker
3B55.40 Trombone/Quinckes Tube
3B60.10 Beat Forks
3B70.10 Coupled Tuning Forks

3/3C   Acoustics

3C10.30 Bone Conduction
3C20.10 Range of Hearing
3C20.25 Bottle Scale
3C52.30 Helmholtz Resonator with Microphone
3C55.40 Chords
3C55.55 Tuning Forks with Resonators
3C55.551 Tuning Forks with Resonators: Unmatched
3C55.74 and 3D50.10 Keyboard and Oscilloscope

3/3D   Instruments

3D20.10 and 3D20.20 Sonometer
3D20.45 Longitudinal Vibrations in String
3D30.35 Bloogles/Kroogah Tubes
3D30.461 Pat-Pipes (A-G)
3D30.50 Flame Pipe/Ruben's Tube
3D30.65 Horizontal Resonance Tube
3D30.77 Hot Chocolate Effect (I and II)
3D32.10 Organ Pipes
3D32.15 (mislabeled as 3D32.30) Slide Whistle
3D32.20 Penny Whistle
3D32.28 Train Whistle
3D40.10 Xylophone
3D40.20 Singing Rods
3D40.30 Chladni Plates
3D40.35 Flaming Table
3D40.40 Thunder Drum
3D40.65 Bull Roarer
3D40.701 Sound in Spoon/Fork
3D46.15 Tuning Fork Set
3D46.16 Tuning Forks
3D46.45 Isotropic Tuning Fork

3/3E   Sound Reproduction

3E20.16 Paper Plate Stereo
3E40.00 Microphone Preamp


      4  Thermodynamics

4/4A   Thermal Properties of Matter

4A10.10 Thermometers
4A10.20 Galileo's Thermometer
4A10.31 Thermoelectric Pair
4A10.35 Super-Sensitive Thermometer
4A10.50 Liquid Crystal Sheets
4A10.70 Pyrometer
4A20.10 Toricelli Tube/Selective Absorption
4A30.10 Bimetallic Strip
4A30.11 Thermostat Model
4A30.20 Balls and Ring
4A30.55 Expansion Rope
4A30.80 Heat Rubber Bands
4A40.10 Lead Bell
4A40.15 Solder Spring
4A40.30 Smashing Rose, Tube, and Balls
4A40.32 Heat of Vaporization of Liquid Nitrogen

4/4B   Heat and the First Law

4B10.301 Melting Wax Sheet with Metal Balls
4B20.10 Convection Tube
4B20.601 Light Bulb Spot
4B30.051 Defrost Plate
4B30.12 Conduction-Melting Wax
4B30.15 Sliding Points
4B30.25 Heat Conduction
4B30.53 Liquid Crystal Conduction
4B40.10 Light the Match
4B40.64 Radiation Thermometer
4B40.751 Radiation Disc Set
4B50.20 Boil Water in Paper Cup
4B50.25 Water Balloon and Matches
4B50.271 Burn Handkerchief
4B50.651 PC Heat Radiation Convection
4B60.20 Mechanical Equivalent of Heat
4B60.41 Heating by Bending
4B60.60 Flint and Steel
4B70.10 Fire Syringe
4B70.20 Expansion Cloud Chamber

4/4C   Change of State

4C20.60 Heat of Crystalization
4C30.10 Boil Water Under Reduced Pressure
4C30.30 He and CO2 Balloons in L N2, L N2 in Balloons
4C31.10 Cryophorus
4C31.30 Drinking Bird
4C33.50 Pulse Glass
4C50.40 Equiphase Cell

4/4D   Kinetic Theory

4D20.10 Crooke's Radiometer
4D30.20 Molecular Motion Simulator
4D30.23 Free Expansion Simulation
4D50.15 Diffusion Model
4D50.70 Permeable Membrane, Osmotic Pressure

4/4E   Gas Law

4E20.40 Balloon in a Vacuum

4/4F   Entropy and the Second Law

4F15.16 Heating with a Current
4F30.131 Stirling Engine
4F30.60 Nitinol Engine and Wire
4F30.60 Thermobile
4F30.801 Methanol Bottle Explosion


      5  Electricity and Magnetism

5/5A   Electrostatics

5A10.10 Rods, Fur, and Silk
5A10.15 Triboelectric Series
5A20.10 Rods and Pivot
5A40.35 Metal Rod Attraction
5A40.40 Deflect Stream of Water
5A40.70 Kelvin Waterdrop Apparatus
5A50.10 Winshurst Machine

5/5B   Electric Fields and Potential

5B10.40 Electric Field Demo
5B10.401 Nakamura Electric Field Demo
5B10.52 Finger on Electrophorus
5B20.00 Gauss' Law
5B20.35 Radio in a Cage
5B30.40 Electric Wind
5B30.60 Smoke Precipitator
5B30.701 Ionizer
5B30.971 Energy Ball

5/5C   Capacitance

5C10.10 Sample Capacitors
5C10.20 Parallel Plate Capacitor
5C10.21 Battery and Separable Capacitor
5C10.35 Rotary Capacitor
5C20.10 Capacitor with Dielectrics
5C30.30 Capacitor (IF)

5/5D   Resistance

5D10.10 Resistor Assortment
5D10.11 Variable Resistor Box
5D10.601 Photoconductor and Copier Parts
5D20.10 Wire Coil in L N2
5D30.10 Conduction Through Electrolytes
5D30.30 Glow Pickle
5D40.10 Jacob's Ladder
5D40.50 Neon Bulb

5/5E   Electromotive Force and Current

4E20.10 Electrolysis
5E40.20 Lemon Battery
5E50.12 Thermoelectric Converter
5E60.30 Stress vs. Voltage
4E60.40 Piezoelectric Speaker

5/5F   DC Circuits

5F10.10 Ohm's Law
5F15.181 Key Defroster
5F20.10 Kirchoff's Law
5F20.17 Visual Current Device
5F20.501 Series and Parallel Circuits
5F20.51 Light Board, 12V
5F30.10 RC Circuit
5F30.12 Discharge a Capacitor with a Meter
5F30.60 Neon Relaxation Oscillator

5/5G   Magnetic Materials

5G10.10 Magnet Assortment
5G10.121 Beam Magnet
5G10.15 Lode Stones
5G20.281 Magnetic Domains in Credit Card
5G20.30 Magnetic Domain Model
5G20.45 Induced Magnetic Poles
5G20.50 Pound Iron Bar
5G20.60 Magnetization by Current
5G20.651 Ferrofluid
5G50.15 Curie Nickel
5G50.50 Meissner effect

5/5H   Magnetic Fields and Forces

5H10.00 Magnetic Field Detector
5H10.20 Oerstad Effect
5H10.30 Magnet and Filings
5H10.31 Magnetic Field Demo
5H10.311 Magnetic Field Projectual
5H15.40 Filings Around a Wire
5H15.43 Windings on Solenoid
5H15.46 Helmholtz coil
5H20.10 Magnets on Pivot
5H20.20 Levitation Magnets
5H20.251 Diamagnetic Levitator
5H25.10 Magnet in a Coil
5H25.75 Ampere's Ants
5H30.051 Old TV Tube
5H30.20 E/M Tube
5H30.55 Ion Motor
5H40.10 Force Between Parallel Wires
5H40.11 Force on Hanging Parallel Wires
5H40.23 Filament and Magnet
5H40.40 Current Balance
5H40.71 Ampere's Motor/Bar in B-Field
5H50.20 Force on a Current Loop

5/5J   Inductance

5J10.10 Inductor Assortment

5/5K   Electromagnetic Induction

5K10.15 Wire, Magnet, and Galvanometer
5K10.20 Induction Coil with Magnet
5K10.30 Induction with Coils and Battery
5K10.34 Induction Coils with Radio
5K20.10 Eddy Currents in Pendulum
5K20.15 Eddy Damped Pendulum
5K20.25 Magnets in Eddy Tubes
5K20.271 Forces Due to Induced Current
5K20.30 Jumping Ring
5K20.51 Magnetic Stirrer Demonstration
5K30.20 Dissectable Transformers
5K30.281 Flexiformer
5K30.701 Metal Detector
5K40.20 Galvanometer
5K40.28 Light Bulb with a Coil
5K40.301 AC Motor (in clock)
5K40.80 Hand Crank Generator
5K40.801 Genecon

5/5L   AC Circuits

5L10.10 and 5L20.20 Series RCL Circuit
5L20.601 AC Clamp on Meter
5L20.30 Blinky Whirligig

5/5M   Semiconductors and Tubes

5M20.10 Glow Discharge
5M20.20 Crooke's Paddle Wheel

5/5N   Electromagnetic Radiation

5N10.60 Radiation from a Dipole
5N10.68 Radio-Baby Monitor
5N20.42 Tesla Coil
5N20.50 Tesla Coil Probe
5N30.10 Project the Spectrum
5N30.30 Microwave Unit
5N30.50 IR from Remote Control


      6  Optics

6/6A   Geometrical Optics

6A10.131 Mirror Assortment
6A10.15 Laser and Flat Mirror
6A10.30 Corner cube
6A10.40 Angled Mirrors
6A10.60 Cold Candle
6A10.701 Disappearing Coin Box
6A20.26 Variable Curved Mirror
6A20.35 Optic Mirage
6A20.37 Red Ball in Hemisphere
6A20.45 Convex and Concave Mirrors
6A20.531 Animorph Mirrors
6A40.11 Apparent Depth
6A40.30 Disappearing Eye Dropper
6A40.70 Cylindrical Lens/Short Beers
6A42.45 Stick in the Water
6A44.10 Blackboard Optics
6A44.20 Total Internal Reflection
6A44.40 Laser and Fiber Optics
6A44.41 Optical Path in Fibers
6A44.45 Water Stream and Light Pipe
6A44.67 Two Right Angle Prisms
6A44.691 Various Prisms
6A46.10 Rainbow in Cup of Water
6A60.131 Various Lenses
6A60.50 Pinhole Projection
6A65.70 Fresnal Lenses
6A70.31 Camera Model

6/6B   Photometry

6B40.10 Variac and Light Bulb

6/6C   Diffraction

6C10.10 Single Slit with Laser/Resolving Power
6C10.15 Adjustable Slit and Laser
6C10.27 Cornell Plate
6C20.10 Arago's Spot (Poisson's)
6C20.15 Knife Edge Diffraction
6C20.22 Shadow of a Needle
6C20.30 Pinhole Diffraction

6/6D   Interference

6D10.11 Double Slit
6D20.10 Number of slits
6D20.15 Gratings and Laser
6D20.20 Projected Spectra with Grating
6D20.32 Compact Disk Grating
6D30.12 Newton's Rings - Float Glass
6D30.20 Soap Film Interference
6D30.201 Soap Films: metal ring
6D30.30 Air Wedge
6D30.40 Mica Sheet
6D30.65 Oil Film Fingernail Polish

6/6F   Color

6F10.10 Arbor Light Box Kit
6F10.11 Color Addition: Paddles
6F10.12 Leybold Color Apparatus and Image Color Separation
6F10.20 Color Filters
6F10.25 Spinning Color Disk
6F40.10 Sunset Demo
6F40.60 Multiple Scattering

6/6H   Polarization

6H10.10 Polaroids on the Overhead
6H10.11 Polaroids
6H20.10 Brewster's Angle
6H20.40 Stack of Plates
6H30.40 Karo Syrup
6H35.10 Calcite Crystals
6H35.15 Calcite and Polaroid OHP
6H35.17 Plexiglass Birefringence
6H35.50 Stress Plastic
6H35.52 Color with Mica
6H50.10 Sunset Demo with Polaroids

6/6J   The Eye

6J10.40 Inversion of Image of Retina

6/6Q   Modern Optics

6Q10.10 Holograms


      7  Modern Physics

7/7A   Quantum Effects

7A10.33 Planck's constant - LED's
7A10.36 Photoconductivity
7A10.40 Solar Cells
7A50.40 Vibrating Circular Wire
7A60.10 Electron Diffraction
7A60.95 Sample X-ray Tube

7/7B   Atomic Physics

7B10.10 Student Gratings
7B10.12 Band Emission Spectra
7B10.25 Spectral Chart
7B11.10 Sodium Absorption Lines
7B11.40 Glo-Doodler absorption
7B13.50 Black Light
7B13.51 Fluorescence and Phosphorescence
7B13.55 Luminescence
7B13.561 Chemoluminescence
7B35.10 Crookes tube
7B35.40 Maltese cross
7B35.50 Paddle Wheel
7B35.51 Canal Rays
7B35.75 Plasma Tube
7B35.761 Lumiglas

7/7D   Nuclear Physics

7D10.10 Geiger counter and Samples
7D10.11 Sources of Radioactivity
7D10.12 Radioactive Plate
7D10.25 Radon in the Air
7D10.50 Dice Half-Life
7D10.55 Coin Toss Half Life
7D10.60 Range and Absorption
7D30.06 GM Tube to Computer
7D30.60 Diffusion Cloud Chamber

7/7E   Elementary Particles


7/7F   Relativity



      8  Astronomy

8/8A   Planetary Astronomy

8A10.25 Phases of the Moon
8A10.32 Earth/Moon System
8A10.80 Celestial Sphere
8A20.10 Globes

8/8B   Stellar Astronomy

8B10.21 60 W sun
8B10.30 Sunspot on the Overhead

8/8C   Cosmology

8C20.20 Membrane Table


      9  Equipment

9/9A   Support Systems

9A20.10 Wireless Microphone
9A20.15 Cord Microphone
9A20.20 CD player
9A20.30 Audio Cassette
9A30.05 Mobile Screen
9A30.10 35 mm projector
9A36.10 Overhead Projector
9A36.15 Two Overhead Projectors
9A38.10 TV table (color)
9A38.26 Monitor on Cart
9A38.40 VHS tape deck

9/9B   Electronic

9B18.40 Lasers and Sound Waves/Vibrations on Drum Head
9B20.65 LN2 level probe
9B20.99 Digital Lecture Hall Display
9B30.10 Audio Frequency Oscillator
9B40.40 X-ray tubes and equipment
9B50.40 E/M Power Supply
9B61.20 Optical Disk
9B62.60 Laser Communication

9/9C   Mechanical

9C30.40 Air Supported Pucks
9C35.01 Ripple Tank - General
9C40.20 Modified Mass Hanger


      0   Uncategorized

0/0A   Uncategorized

----- Chaos Dropper
----- Gravity Glass
----- Demo 3
----- Demo 4
----- Demo 5
----- Spinning Disk
----- Coming, Going