Demonstrations
Identifier | Title | Summary | |
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FL: HS - 007 | Lifting and Dropping a Mass with Changes in Pressure | An 84-lb weight is lifted as a result of a vacuum. |
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E&M: M - 003 | Lifting Magnet | 4 D-cell batteries are used to lift a 25-lb weight. |
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Astro - 006 | Light Intensity Relative to Spectrum | A 150 W light bulb in a desk lamp is connected to a power stat. Students view the light through diffraction gratings to see that the spectrum doesn't change as the light intensity changes. |
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L: W - 032 | Light Scattered by Powdered Milk | ||
E&M: Ind - 022 | Lighting an LED with a Spike | A voltage spike is produced by an inductor. |
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E&M: Ind - 028 | Lighting an LED with Faraday's Law | A coil of wire and a magnet use induction to light an LED. |
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E&M: M - 025 | Liquid Oxygen | Liquid oxygen forms a bridge across the cones of a strong horseshoe magnet. |
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T: H - 030 | Liquification of Air | An air balloon is dipped into liquid nitrogen to create liquid |
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M: SHM - 007 | Lissajous Patterns | ||
E&M: Ind - 021 | Loop with Bulb and Electromagnet | A loop of wire near a magnetic field lights an LED |
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T: H - 012 | Low Temperature Behavior | Assorted objects are submerged in liquid nitrogen and smashed |
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E&M: Ind - 024 | LRC Circuit | ||
L: GO - 010 | Lucite Coil | A Lucite coil is used to demonstrate internal reflection. |
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FL: HS - 010 | Magdeburg Hemispheres | Air is evacuated from the Magdeburg Hemispheres, after which they cannot be separated. |
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L: GO - 011 | Magic Corn Oil | ||
M: EngMom - 015 | Magic Rollback Can | A can will roll away from the lecturer, pause, and roll back toward the lecturer. |
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M: S - 014 | Magic Yo-Yo | A large yo-yo |
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E&M: M - 035 | Magnetic Field Around a Current-Carrying Wire | Iron filings are used to produce an image of the magnetic field lines surrounding a vertical wire. |
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E&M: M - 032 | Magnetic Field Around a Solenoid | A solenoid of wire connected to a power supply produces a magnetic field, visible in a sprinkle of iron filings. |
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E&M: M - 001 | Magnetic Field Caused by Electric Current | A compass needle moves to realign with a magnetic field created as current flows through a wire. |
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E&M: M - 040 | Magnetic Field of a Solenoid in Liquid | Current run through a small solenoid is used to show the magnetic field under the document camera. |
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E&M: M - 009 | Magnetic Materials | ||
E&M: M - 015 | Magnetization using Earth's Magnetic Field | ||
E&M: M - 004 | Magnetization vs. Electrification | Bar magnets and the electrostatics equipment are used to show that magnetization has no effect on electrical behavior. |
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M: EngMom - 025 | Map of Iowa | A map of Iowa is used to determine center of mass. |
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L: W - 062 | Marshmallows in a Microwave | This demonstration is identical to EM: AC - 009 |
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E&M: AC - 009 | Marshmallows in the Microwave | A standing wave pattern is visible on an array of marshmallows placed in a microwave |
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FL: HS - 006 | Mass of Air | A balloon and a digital balance are used to demonstrate that air has mass |
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M: CM - 005 | Mechanical Model of a Cream Separator | When a crank is turned, balls of dissimilar mass separate as they move through their circular path. |
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M: WM&S - 020 | Mechanical Model of Doppler Effect | ||
L: W - 028 | Mechanical Model of Polarization | ||
M: WM&S - 006 | Mechanical Model of Refraction | ||
L: GO - 015 | Mechanical Model of Refraction | ||
E&M: C - 022 | Mechanical Model of Resistance | Ping pong balls travel down a board of nails to demonstrate resistance. |
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M: WM&S - 007 | Mechanical Model of Standing Waves | ||
M: CM - 010 | Merry-Go-Round | A wheel with a piece of clay on it is sped up until the clay flies from the wheel. |
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M: WM&S - 028 | Metallophone | A metallophone is used to demonstrate concepts in sound. |
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M: S - 006 | Meter Stick on Movable Supports | ||
M: SHM - 009 | Metronome | A metronome is used to demonstrate the effect that length has on period |
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L: W - 021 | Michelson Interferometer | ||
L: GO - 052 | Microwave Reflection | ||
E&M: Ind - 003 | Mini-Electric Generator | A small, hand-held generator lights an LED by turning a crank. |
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E&M: C - 024 | Mixed Circuit | 1 90-W bulb and 3 25-W bulbs are connected in both series and parallel |
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L: W - 055 | Model of Eye | A model of the human eye complete with an instruction manual |
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M: S - 018 | Model Sailboat | ||
E&M: C - 003 | Model Transmission Line | ||
T: H - 039 | Models of Steam and Gasoline Engines | Two cut-away locomotive engines are available for display |
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M: WM&S - 036 | Moire Interference Patterns | ||
M: Rot - 001 | Moment of Inertia Using a Ramp | Objects of similar size that are weighted different are rolled down a ramp to see the effects of their moments of inertia on their motion. |
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E&M: ES - 008 | More Personal Van de Graaff Experience | A person's hair stands on end if in contact with Van de Graaff generator |