Demonstrations by
WFU Number Order

FIRST SEMESTER "GEE-WHIZ" DEMONSTRATIONS-Unusual numbers, thus put here so as not to be missed.

• [M-1] 1R50.20 Crystal Lattice Models
• [M-4] 1J11.50 Double Cone and Plane Trick
• [M-8] 1Q20.50 Faster than g: Hinged Stick and Ball
• [M-9] 1K10.50 Feebleminded Disk Rolls Uphill

M MECHANICS

• MA MEASUREMENT AND OTHER PRELIMINARIES
  • [M-0] 1A10.10 Basic Units Set
  • [M-0 A] 1A10.28 Alka-Seltzer Conservation of Mass
  • [M-0 C] 1A10.36 One Nanosecond of Length
  • [M-0 L] 1A10.30 Standards of Length
  • [M-0 M] 1A10.20 Standards of Mass
  • [M-0 N] 1A60.10 Powers of Ten Film (on video)
  • [M-1] 1R50.20 Crystal Lattice Models
  • [M-2] 1A10.50 One Liter ("Decimeter") Cube

• MC LINEAR KINEMATICS
  • (Linear Velocity)
  • [M-2 A] 1C10.05~ Echolocation: Finding Distances between Buildings [OUTSIDE]
  • [M-2 B] 1C10.10 Bulldozer on a Moving Sheet
  • [M-2 D] 1C10.15~ Ultrasonic Ranger and a Moving Student
  • [M-2 G] 1C10.25~ Glider on Air Track
  • (Uniform Linear Acceleration)
  • [M-2 N] 1C20.11 Drop a Feather in Air Same as a Book
  • [M-2 P] 1C20.15 Heavy (Pb) and Light (Tennis) Ball Drop
  • [M-2 Q] 1C20.16 Ball and Paper (Flat then Crushed) Drop
  • [M-2 S] 1C20.18~ Book and Paper Drop
  • [M-2 T] 1C20.20 Videotape a Dropped Ball or one Thrown Upward [VIDEO]
  • [M-2 X] 1C20.30 Inclined Air Track Acceleration
  • [M-3] 1C20.45 Acceleration on an Inclined Plane
  • [M-3 A] 1C20.90~ Measuring the Height of a Building given t_F and g [OUTSIDE]
  • [M-3 B] 1C30.17 Behr Free-Fall Apparatus
  • [M-3 F] 1C30.55 Timed Catch a Meter Stick

• MD PLANAR AND SPATIAL KINEMATICS
  • [M-3 M] 1D15.20 High Road Low Road Setup
  • [M-3 Q] 1D40.15 Loaded Bolas
  • [M-3 S] 1D40.20 Spinning Marker Block
  • [M-3 U] 1D40.34 Badminton Birdie/Shuttlecock
  • [M-4] 1J11.50 Double Cone and Plane Trick
  • [M-5] 1D60.10 Ballistics Car
  • [M-6] 1D60.20 Simultaneous Fall
  • [M-6A] 1C20.10 Guinea and Feather Tube
  • [M-6B] 1G20.63 Scale on the Elevator
  • (Mostly Projectile Motion)
  • [M-6 H] 1D60.25~ Height of a Punt Using Hang Time [VIDEO]
  • [M-6 J] 1D60.26~ Bus Jumps Bridge in the movie Speed [VIDEO]
  • [M-7] 1D60.30 Monkey & Hunter, Table Top
  • [M-7] 1D60.30A Monkey & Hunter, Large Scale
  • [M-7 D] 1D60.65 Water Stream Parabola
  • (Other)
  • [M-7 F] 1E10.20 Frames of Reference Film [16 mm FILM]
  • [M-8] 1Q20.50 Faster than g: Hinged Stick and Ball
  • [M-9] 1K10.50 Feebleminded Disk Rolls Uphill

• MG NEWTON'S SECOND LAW
  • [M-11] 1Gvarious Klinger Blackboard Mechanics Kit
  • [M-11 C] 1G10.25 Acceleration Block and Masses
  • [M-11 E] 1G10.30 Mass on a Scale
  • [M-11 G] 1G10.40 Atwood's Machine
  • [M-11 H] 1G20.10 Candle in a Bottle
  • [M-11 J] 1G20.20 Ball in a Thrown Tube
  • [M-11 K] 1G20.30 Leaky Cup Drop
  • [M-11 M] 1G20.40 Cup & Weights Drop
  • [M-11 N] 1G20.45 Dropped Half-Slinkys
  • [M-11 X] 1G10.10 Glider, Mass & Pulley on Air Track

• MJ STATICS: RESOLUTION OF FORCES
  • [M-12] 1J30.50 Blackboard Force Addition
  • [M-12 A] 1J30.30 Miller Rope Breaker
  • [M-12 E] 1J30.25 Rope and Three Students
  • [M-12 H] 1J30.53 Horizontal Force Table
  • [M-12 V] 1J30.51 Vertical Force Table
  • [M-12 Z] 1J30.59~ Analysis of Zoom Ball Forces

• MF NEWTON'S FIRST LAW
  • [M-13] 1F20.34 Ball and Card Stand
  • [M-13A] 1F20.10 Inertia "Ball" (Vertical)
  • [M-13 B] 1F20.15 Inertia Block (Horizontal)
  • [M-13 D] 1F10.11 Inertia Balance
  • [M-13 F] 1F10.25 Foam Bricks, Lead Bricks
  • [M-13 K] 1F20.19~ Kerr and Matthews' Inertial Toilet Paper Device
  • [M-13 N] 1F20.30 Tablecloth Pull
  • [M-13 P] 1F20.35 Eggs, Pizza Pan & Broom Trick
  • [M-13 R] 1F20.40 Breaking Pencils or Dowels on Wine Glasses
  • [M-13 T] 1F20.50 Shifted Air Track Inertia
  • [M-13 X] 1F30.10 Persistence of Motion (Air Track)
  • [M-13 Z] 1F30.50 Pencil Through Plywood

• MJ RIGID BODY STATICS
  • (Center of Gravity)
  • [M-14-a] 1J40.20 Beam With 14 Hooks
  • [M-14-b] 1J10.30 CG of a Loaded Beam
  • [M-14-c] 1J10.27~ CG of an Irregularly Shaped Beam
  • [M-14 D] 1J10.13~ CG of "Feeble-Minded" Disk
  • [M-14 F] 1J10.25 CG of a Broom using 2 Fingers
  • [M-14 M] 1J10.20 CG of a Meterstick using 2 Fingers
  • [M-14 NC] 1J10.10 "CG" of North Carolina
  • [M-14 Q] 1J10.12 CG of a Hanging Quadrilateral Board
  • [M-14 T] 1J11.15 Tipping Block on Incline
  • [M-14 V] 1J11.21 Cantilevered Books
  • (Equilibrium)
  • [M-15] 1J20.45 Wire Balancer Tightrope Walker
  • [M-15A] 1J20.35 Horse and Rider
  • [M-15 B] 1J20.36~ Magic Birds
  • [M-15 F] 1J20.20 Fork, Spoon and Match
  • [M-15 H] 1J20.32 Spoon on Nose
  • [M-15 J] 1J20.10 Ball and Hemisphere Stability
  • [M-15 K] 1J20.11 Cone, Block, Sphere
  • (Torque)
  • [M-15 T] 1J40.15 "Torque Wrench"
  • [M-15 U] 1J40.16 Different Length Wrenches
  • [M-15 Y] 1J40.23 Meterstick Balance
  • (Resolution of Forces)
  • [M-16] 1J30.10 Force Components on Inclined Plane

• MK NEWTON'S LAWS APPLICATIONS
  • (Dynamic Torque)
  • [M-16 G] 1K10.10 Spring Scale to Find Force to Tip Over Block
  • [M-16 J] 1K10.30 Walking the Wire Spool @ Different Angles
  • (Friction)
  • [M-16 P] 1K20.10 Pull a Block with a Spring Scale
  • [M-16 R] 1K20.15 Vary Mass on Block with Spring Scale
  • [M-16 U] 1K20.35 Incline Plane to find Block's Angle of Repose
  • [M-16 V] 1K20.36~ Shoe's Angle of Repose as the Weight Contained Varies
  • [M-16 Z] 1K20.60 Sliding Chain
  • (Complex Systems)
  • [M-17] 1G30.20 Mass on a Spring on a Balance
  • [M-17 A] 1G30.33 Galileo's Water Balance

• MH NEWTON'S THIRD LAW
  • (Action and Reaction)
  • [M-17 C] 1H10.10 Push-me Pull-me Carts & 2 Students
  • [M-17 H] 1H10.59~ Zoom Ball Reaction
  • (Recoil)
  • [M-17 K] 1H11.10 Wagon and Medicine Ball
  • [M-17 M] 1H11.1x~ Balloon-Rocketed Matchbox Car

• MM WORK AND ENERGY
  • [M-18 A] 1M10.10 Moveable Shelf and Block
  • [M-18B] 1M40.10 Nose-Basher Pendulum
  • [M-18 C] 1M40.15 Galileo's (Bar-shortened length) Pendulum
  • [M-18 D] 1M10.15 Block to Move Across Table
  • [M-18 E] 1M10.16 Carry a Block
  • [M-18 G] 1M10.20 4-Kg Pile Driver Drives Nail
  • [M-18 H] 1M10.25 Pile Driver Crushes Cans, Too
  • [M-18 Q] 1M10.99 Work to Remove Tape
  • (Simple Machines)
  • [M-19 A] 1M20.10 Pulleys
  • [M-19 B] 1M20.15 Pulley and Suspended Scale
  • [M-19 E] 1M20.30 Inclined Plane using Shelf
  • [M-19 F] 1M20.35 Lab Jack: Large Screw = Inclined Plane
  • [M-19 H] 1M20.40 Lever Demonstration
  • (Non-conservative Forces)
  • [M-19 P] 1M30.10 Air Track Collisions with Sliding Mass
  • [M-19 R] 1M30.15 Deceleration Due to Friction
  • (Conservation of Energy)
  • [M-20] 1M40.20 Miller Loop-dee-loop
  • [M-20 B] 1M40.41 Swinging Arm Ballistic Pendulum
  • [M-20 E] 1M40.60 Height of Ball Rebounds
  • [M-20 R] 1M40.90 Rattleback: Strange Rotator
  • (Various Topics belonging to this or other categories)
  • [M-21] 1N20.2x~ Spring-Apart Dynamic Carts
  • [M-21A+] 1F20.25 Inertia: Smash Block on Bed of Nails
  • [M-21A+] 1K30.10 Pressure: Break Block on Bed of Nails
  • [M-21A+] 1K30.20 Pressure: 'Pop' Balloons on Bed of Nails
  • [M-21B] 1M40.30 Ball in a Trough

• MN LINEAR MOMENTUM AND COLLISIONS
  • [M-21 C] 1N21.40 Drop Mass on Moving Cart
  • [M-21 E] 1N10.20 Egg Caught in Sheet
  • [M-21 G] 1N10.25 Drop Egg in Water
  • [M-21 L] 1N10.80 Fire Extinguisher Thrust
  • [M-21 S] 1N21.10 Wagon and Medicine Ball
  • [M-21 W] 1N22.10 Fire Extinguisher Wagon
  • [M-22] 1N30.17 Rolling Collision Balls
  • [M-22 A] 1N30.60 Double Ball Drop
  • [M-22B] 1N30.20 1 Large, 10 Small Newton's Balls
  • [M-22C] 1R40.30 Dead/Live + Happy/Unhappy Balls
  • [M-22D] 1N10.40 Automobile Collision Video Disc [VIDEO]
  • [M-22 H] 1N40.23~ Hovering Toy Hockey Pucks
  • [M-22 K] 1N30.10 Bifilar Newton's Balls
  • [M-22 S] 1N30.16 Collision Balls on Wire
  • [M-22 T] 1N40.20 Large Air Table
  • [M-22 X] 1N30.30 Air Track Collision Gliders
  • [M-22 Y] 1N30.65 Double Air Glider Bounce
  • [M-22 Z] 1N50.10~ Mid-air Ball Collisions

• MQ ROTATIONAL DYNAMICS
  • [M-23] 1E20.20 Foucault Pendulum Model [OVERHEAD]
  • [M-23 H] 1E20.50 Outdoor 2-person Merry-Go-Round [OUTSIDE]
  • [M-23 Z] 1E20.10 Foucault Pendulum at SciWorks [VIDEO]
  • [M-24-c] 1D52.35 Mercury+Colored Water Mix Separator-Rotator Globe
  • [M-24-d] 1Q40.23 Watt's Centrifugal Governor
  • [M-24-e] 1D40.35 Double Star Analog CM Apparatus
  • (Central Force Motion)
  • [M-24-f] 1D52.10 Centrifugal Hoops (Oblation)
  • [M-24-i] 1D50.50 Welch Centripetal Force Apparatus
  • [M-24 J] 1D50.40 Revolving Pail of Water
  • [M-24 K] 1D50.41~ Pail of Water with Berg Option
  • [M-24 M] 1D50.10 Ball on a String
  • [M-24 N] 1D50.20 Whirligig
  • [M-24 P] 1D50.60 Banked Track (being built)
  • [M-24 Q] 1D50.70 Rolling Chain (in final design stage)
  • [M-24 S] 1D50.46~ Rubber Stopper on Wood Rotated in Hand
  • [M-24 T] 1D52.20 Water Parabola
  • [M-24 V] 1D55.15 Release Ball on a String

• ML GRAVITY
  • [M-25 A] 1L10.01 Falling Apples for the Class
  • [M-25 D] 1L20.14 Gravitational Well Funnel and Marbles
  • [M-25 F] 1L20.20~ Coin-Roller Funnel (Vortx®)
  • [M-25 H] 1L20.30 Rotating Well and Marbles
  • [M-25 M] 1L20.50 Ellipse Drawing

• MQ MORE ROTATIONAL DYNAMICS
  • (Moment of Inertia)
  • [M-26] 1Q10.30 Ring and Disk Race
  • [M-26 A] 1Q10.10 Inertia Wands and Two Students
  • [M-26 B] 1Q10.50 Soup Can Races
  • [M-26 R] 1Q20.30 Rolling, Unwinding Spools
  • [M-26 W] 1Q20.35 Bicycle Wheel on Incline
  • (Angular Momentum)
  • [M-27+] 1Q30.10 Passing the Wheel To Rotating Person
  • [M-27+] 1Q30.15 Handing More Mass To Rotating Person
  • [M-27+] 1Q30.20 Rotating Person Drops Mass
  • [M-27+] 1Q30.30 Rotating Person Catches Ball at Arm's Length
  • [M-27+] 1Q40.10 Rotating Person and Weights
  • [M-27+] 1Q40.30 Rotating Person and Bicycle Wheel
  • [M-27+] 1Q50.20 Bicycle Wheel Gyro
  • [M-27 K] 1Q40.15 Rotating Person with Extended Mass on Rod
  • [M-27 P] 1Q40.50 Pocket Watch on a Watch Glass
  • [M-27 Q] 1Q40.5x~ Carpenter's Tape on a Watch Glass
  • (Gyroscopes)
  • [M-28+] 1Q50.35 Cenco Gyroscope on AV cart
  • [M-28+] 1Q50.50 Precession with gyroscope
  • [M-28A] 1Q50.42 Small Gyroscopes
  • [M-28 D] 1Q50.72 Dynamic Ship Stabilizer Model
  • (Dynamic Stability)
  • [M-28 P] 1Q60.15 Big Pumping Top
  • [M-28 Q] 1Q60.16 Small Toy Top
  • [M-28 S] 1Q60.35 Spinning Football
  • [M-28 V] 1Q60.45 Tossing the Hammer [OUTSIDE]
  • (Other)
  • [M-29] 1D52.30 Balls in Water Centrifuge
  • [M-29A] 1D52.40 Rotating Candle: The Aberrant Flame

• MR PROPERTIES OF MATTER
  • (Hooke's Law)
  • [M-31] 1R10.10 Stretch a Spring
  • [M-31 D] 1R10.30 Springs in Series and Parallel
  • (Stress)
  • [M-37 A] 1R20.10 Breaking Wire
  • [M-37 F] 1R20.8x~ GEM's Building Floor Core Sample
  • [M-37 H] 1R30.10 Shear Book
  • [M-37 N] 1R50.1x~ Perfect Solid Samples

• MQ ONE LAST ROTATIONAL DYNAMICS
  • [M-66] 1Q40.80 Hero's Engine

• SA Oscillations
  • [S-30] Large Wilberforce (Coupled) Oscillator
  • [S-30A] Small Wilberforce Oscillator
  • [S-31] Mass on a Spring
  • [S-32] Coupled Pendula
  • [S-33] Simple Pendulum
  • [S-33A] Inverted Pendulum: Metronome
  • [S-34] Simultaneous Projection of Spring & Circular Motion
• SW Sound & Waves
  • [S-35] Sympathetic Vibration Tuning Forks
  • More to come.....

• [F-47] Pascal's Vases
• [F-47A] 3-Hole Can: Velocity of Efflux
• [F-48] Density Ball
• [F-50X]~2B35.28 Stairwell Water Barometer

• HA Thermal Properties of Matter
• HB Heat and the First Law
  • [H-63-c]~4B30.34 Which-End-Do-You-Want? Rod
  • [H-63-d] 4B30.20 Conduction in Various Rods
  • [H-63A] 4B20.10 Convection Tube
• HF Entropy and the Second Law
  • [H-80] 4F50.12 Thermoelectric Converter

• E@ Miscellaneous Demonstrations
  • [E-80] 5E50.12 Thermoelectric Converter
  • [E-160GW] Jacob's Ladder
• EA Electrostatics
  • [E-176] Electrostatics Kit (all items)

• LA Geometrical Optics
  • [L-200] 6A00.00 Blackboard Optics Kit (Full Set)
  • [LAB6A] Tabletop Optics Kit (Full Set)
  • .40 [L-201] Light Pipes & Fiber Optic Basics
  • .45 [L-201A] Dave's Water-stream Light Pipe
  • [L-202] Aquarium Tank Optics (Full Set)
  • .30 [L-203-b] Phantom Bouquet--Magic Light Bulb
  • .31 [L-203-a] Large Concave Mirror
  • .45 [L-203-ac] Concave and Convex Mirrors 16"
  • .10 [L-203A] Pinhole Projection of Bulb
  • .x1 [L-204] Wide View Military Grade Periscope
  • .10 [L-206] Newton's Rings
  • .10 [L-207pt] Single Slit and Laser
  • .30 [L-207GH] Pinhole Diffraction
  • .10 [L-207pt] Double Slit and Laser
  • .10 [L-207pt] Different Numbers of Slits
  • .20 [L-208pt] Interference Gratings
  • .20 [L-209] Soap Film Interference
  • .10 [L-210] Michelson Interferometer
  • .10 [L-211] Holograms
  • .15 [L-212] Polaroids and more Kit
  • .10 [L-212b] The 3 Polaroids
  • .10 [L-212c] Calcite Crystals
  • .50 [L-212f] Stress Plastic
  • .53 [L-212ß] Butterfly Patterns
  • .10 [L-212b] Polaroids on Overhead
  • .10 [L-214] Prisms
  • .15 [L-214+] Achromatic Prism

• QA Quantum Effects
  • [Q-216] 7A10.30 Stopping Potentials (PSSC PE Kit)
  • [Q-217A] 7A10.40 Solar Cell PE
  • [Q-218] 7A10.41 Door Buzzer (PE Cells)
• QQ Other
  • [Q-300] Superconducting Magnet Levitation