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Demonstrations

Identifier Title Summary
M: S - 008 Tricky Disks

Two disks roll are allowed to roll on a ramp after being released from their position in the center of the ramp.  Due to weighting on one of the disks, it will roll uphill, whereas the non-weighted disk rolls downhill.  

Two wooden disks on an angled ramp
T: H - 042 Triple Point of Liquid Nitrogen

Nitrogen exists at a solid, liquid and gas at the same time.

Triple Point Apparatus
M: WM&S - 010 Tuning Fork and Ball on a String

A tuning fork causes a ball on a string to move with surprising amplitude.

A ball on a string hangs vertically next to a tuning fork connected to a resonating box
M: WM&S - 033 Twirling Sound Hose

A long tube is whirled in a circular motion overhead to produce a single tone.  Whirling at a faster speed creates overtones/higher harmonics.

3 Twirling Sound Hoses
M: D - 004 Two Carts of Unequal Mass that Move Apart

Two carts, one with a mass and the other without, are held together (with a spring between them) by a piece of string.  When the string is cut, the carts move away from each other.

Two carts of unequal mass, storage device, and scissors
M: S - 016 Types of Equilibrium

Different types of equilibrium are demonstrated using various pieces of equipment.

A basketball, a round flask with ball bearing (mounted), and a metal cone
FL: HS - 014 U-Tube with Water and Kerosene

A U-tube has both water and kerosene in it.

A manometer containing both water and kerosene
L: W - 041 Uranium Glass

Light from a violet laser pen is directed at a piece of Uranium glass; fluorescence occurs.

Uranium glass fluoresces in the presence of violet and UV light
M: EngMom - 006 V-Track

A roller is sent down a v-shaped track.

V track in storage position
FL: HS - 023 Vacuum Cannon

A ping pong ball launched from a vacuum cannon destroys an empty pop can.

Vacuum cannon rests across the lecture bench and 1 demo bench.
E&M: ES - 017 Van de Graaff and Pie Tins

Pie placed on top of a Van de Graaff generator fly off when the machine is turned on.

Pie tins rest atop a Van de Graaff generator
E&M: ES - 013 Van de Graaff Generator

The Van de Graaff generator and it's grounding device can be used to show discharge of static electricity.

Van de Graaff generator is connected to the grounding device.
E&M: ES - 023 Van de Graaff with Fluorescent Bulb

Discharge from a Van de Graaff machine lights a fluorescent light bulb.

Van de Graaff generator with grounding rod and a fluorescent light bulb
E&M: ES - 018 Van de Graaff with Lightning Rod

A lightning rod is used to draw electric charge from Van de Graaff and prevent discharge

A lightning rod attached to a Van de Graaff and discharge ball
M: CM - 001 Variable Angle

A rod with 2 clamps on it can be used to explain angular quantities and how they differ from linear quantities.

A rod with 2 clamps on it - one on the end and one near the middle
E&M: ES - 011 Variable Capacitor

The effect of plate gap and dielectric presence on capacitance can be easily seen.

Variable capacitor, LCR meter, dielectric sheets
L: W - 058 Variable Width Single Slit DIffraction

The width of a single slit is varied to show how the diffraction pattern is affected by slit width.

Single-slit diffraction pattern
M: EngMom - 017 Various Shapes

Various shapes with center of mass marked are thrown.

Various cardboard shapes: Circle, Snowman, Half-circle; A ping pong paddle; A foam amoeba w/ light
FL: HS - 017 Vat of Water with Wood Block

A wood block placed in a vat of water displaces water without changing the overall mass of the container.

A large container rests on an antique scale.  A hose connected to the container drops into a second, smaller container
M: K - 006 Vectors

An apparatus consisting of wooden arrows is used to show vector addition.

Mounted vector apparatus
M: SHM - 002 Vibrating Hacksaw Blade
M: WM&S - 026 Vibrations on a Bar
E&M: AC - 010 Voltage of a Household Outlet

Production of a the sinewave created by the current from a household outlet.

Household Outlet apparatus
E&M: C - 009 Voltaic EMF of an Electrolyte
M: D - 009 Water Rocket

A water-powered rocket is launched to an impressive height.

Water Rocket, Launcher, and Loading Funnel
M: EngMom - 007 Wavy Track

2 types of rollers (smooth and rough) roll along a wavy track.

A wavy track, a piece of foam, and 2 rollers rest on a table.
M: S - 001 Weighted Inclined Plane Set

A weighted car rests on an inclined plane.  Masses are hung from pulley's attached to the car to hold it in place.  When the plane is removed, the car remains stationary.

An inclined plane with 2 masses hung from it.
E&M: C - 027 Wheatstone Bridge

A Wheatstone Bridge is used to demonstrate how an unknown resistance could be found.

Wheatstone Bridge Circuit
M: SHM - 006 Wilburforce Pendulum
E&M: Ind - 008 Wireless Lamp
M: CM - 007 Wooden Arc Puzzle

A puzzle uses the principles of circular motion to solve - get both balls into their locations on opposite sides of the arc.

The wooden arc puzzle rests on the table.
L: W - 026 Wooden Bars with Rectangular Cross Sections