Demonstrations
Identifier | Title | Summary | |
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E&M: M - 014 | Dip Needle | Device that shows the angle of Earth's Magnetic Field |
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T: H - 038 | Dipping Duck | A duck dips into a glass of water continuously. |
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E&M: C - 019 | Direct Current RC Series Circuit | The charge and discharge curves of a DC RC Series circuit are shown in conjunction with its effect on a light bulb. |
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E&M: C - 012 | Discharge of Electricity Through Gases | ||
L: W - 006 | Dispersion by a Prism | A narrow beam of white light is passed through a prism, creating a continuous spectrum on the wall. |
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M: WM&S - 045 | Doppler Effect | A whistle whirled in a circular path demonstrates the doppler effect |
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M: EngMom - 011 | Double Cone and Diverging Ways | A double cone rolls on a diverging track in an unexpected manner. |
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M: WM&S - 041 | Drinking Straw Resonance | ||
FL: ST - 002 | Drops on a Penny | ||
T: H - 025 | Dry Ice | Pieces of dry ice are used to help students visualize the P vs. T graph for Carbon Dioxide |
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Astro - 001 | Eclipse | A ball on a string and a slide projector are used to create the image of an eclipse. |
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L: W - 060 | Educational Diffraction Grating | A small educational diffraction grating is used with different colors of light to demonstrate optical effects. |
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T: H - 050 | Elasticity of Rubber | A stretched rubber band will contract when heated. |
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E&M: ES - 019 | Electric Field Lines | Grass seeds are sprinkled into a plexiglass container of castor oil that has 2 electrodes. When voltage is applied across the electrodes, the seeds (dipoles) will align to show the electric field. The image is projected using an overhead projector onto the wall of the lecture hall. |
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E&M: C - 014 | Electric Field of a Plasma Ball | A discharge tube brought near a plasma ball will light up. |
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E&M: Ind - 005 | Electric Generator | Turning the crank of a motor lights 3 bulbs. |
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E&M: C - 002 | Electric Lamps in Series and in Parallel | Two light bulbs of differing wattage are connected in series and in parallel with the AC outlet. |
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E&M: C - 008 | Electrocute a Pickle | A pickle is electrocuted using current from a standard wall outlet. |
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E&M: M - 002 | Electromagnet with Nails | An iron rod inside a large solenoid becomes a magnet when current passes through the solenoid. |
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E&M: Ind - 001 | Electromagnetic Induction | A small magnet is passed through a coil of wire connected to a voltmeter. As the magnet passes through the coil, a spike can be read on the meter, showing that current has been created. |
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E&M: ES - 004 | Electrophorus | A device is used to produce a cyclical spark from electrostatic charge. |
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E&M: ES - 014 | Electrostatic Deflection of Electron Beam | Fur is used to charge a rod, which then deflects an electron beam |
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Astro - 003 | Ellipses | Magnetic pegs and a loop of string are used to draw an ellipse on a magnetic chalk board. |
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E&M: ES - 022 | Equivalent Energy Storage of a Capacitor | Weights dropped from a height of 1 meter provide an audible measure of the amount of energy stored in each capacitor available for display. |
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E&M: ES - 012 | Exhibit of Capacitors | A visual display of capacitors of varying styles are available to show the students in the class. |
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T: H - 006 | Expansion and Contraction of Rings using Ball | A metal ring expands when heated. A metal ring contracts when cool. This is shown by whether or not they fit over a metal ball. |
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E&M: ES - 009 | Faraday Cage with Electroscope | A charged rod brought near an electroscope produces no result if the the electroscope is contained within a cage of conducting mesh. |
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E&M: ES - 020 | Faraday Cage with Radio | A handheld radio is placed inside a cage made of copper wire mesh. The signal ceases to be heard. |
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E&M: Ind - 027 | Faraday's Law in Earth's Magnetic Field | A coil of wire and an analog volt-meter are used to demonstrate Earth's magnetic field. |
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E&M: Ind - 018 | Faraday's Law with Oscilloscope | ||
L: GO - 054 | Fiber Optics | A fiber optic cable |
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T: H - 034 | Fire Piston | Swift action of the plunger in an air-tight piston causes a tiny bit of cotton to immediately ignite |
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M: EngMom - 014 | Flexible Track | A ball rolls on a flexible track; one side of apparatus has Loop-the-Loop and others side is U-shaped |
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E&M: M - 012 | Floating Magnet | One magnet floats above another due to repulsive forces. |
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FL: HS - 026 | Floating Objects | Objects placed in a beaker of water will float. |
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FL: ST - 005 | Floating Paper Clips | Paper clips are floated on a body of water. When soapy water is added, the paper clips sink move away from the soap and sink to the bottom. |
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L: GO - 003 | Fluorescein Tank - Total Internal Reflection | A beam of light, visible in a tank of Fluorescein, demonstrates total internal reflection at a certain angle of incidence. |
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E&M: M - 029 | FM Antenna | ||
E&M: M - 021 | Force Between Currents in Parallel Wires | Current flows through two parallel wires. The current flows in either the same direction or different directions to produce attraction or repulsion, respectively. |
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M: SHM - 010 | Forced Resonance on a Glider | A glider on an air track is given an external frequency. As the external frequency is changed, eventually resonance occurs. |
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M: WM&S - 035 | Fourier Synthesis | ||
E&M: ES - 005 | Franklin Bells | ||
M: K - 008 | Free Fall with Spark Tape | Spark tape is used to create a visual demonstration of acceleration due to gravity. |
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M: Rot - 005 | Free-Fall Rotation | A hinged board is allowed to fall from an angle of 70 degrees. In doing so, a ball resting on the end of the board falls into a cup mounted closer to the axis of rotation. |
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T: H - 037 | Gas Model | ||
E&M: M - 033 | Gaussmeter | A gaussmeter is used to show the magnetic field around a small magnet |
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E&M: Nuc - 001 | Geiger Counter | A Geiger Counter is used to detect radioactivity in assorted samples |
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M: WM&S - 003 | Giant Slinky | A giant slinky, suspended horizontally, is used to produce a longitudinal (compression) wave. |
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E&M: M - 037 | Graphite and Strong Magnets | A piece of graphite levitates over a 3x3 grid of strong magnets |
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M: D - 018 | Gravitational Force | A 1-kg mass is hung from a 20-N scale to demonstrate that acceleration due to gravity on earth is 9.8 m/s^2. |