Combined display of all available logs of UO Physics Demonstration Catalog. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

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• 10:59, 6 April 2022 Physdemo talk contribs created page Potential Well (Created page with "{{NewDemo|subject=Mechanics|topic=Gravity|file1=Potential_Well.gif}} Two pieces of clear plastic within frames that sit on the overhead. One has a single divot, the other two. Small balls rolled over the surface will follow a potential curve. See also the demo "Curved Space" under Astronomy-Gravitation. '''Location: ''' *Dr. 13") Tag: Visual edit: Switched
• 10:59, 6 April 2022 Physdemo talk contribs created page Feather and Nickel (Created page with "{{NewDemo|subject=Mechanics|topic=Gravity|file1=Feather_and_Nickel.gif}} A tube with a feather and a piece of metal. When evacuated, it can easily be shown that objects fall at a rate independent of their mass. '''Location:''' * Sh. A-3") Tag: Visual edit: Switched
• 10:53, 6 April 2022 Physdemo talk contribs created page Newton's Laws Videos (Created page with "The following Newton's Laws Videos are available: * Newton's Second Law Return to Mechanics Videos") Tag: Visual edit
• 10:52, 6 April 2022 Physdemo talk contribs created page Statics Videos (Created page with "The following Statics Videos are available: * Extended Bodies at Rest * Solution to Video Setup") Tag: Visual edit
• 10:50, 6 April 2022 Physdemo talk contribs created page Rotational Dynamics Videos (Created page with "The following Rotational Dynamics Videos are available: * Circular Normal Force * Hoop and Solid Disc Race * Linear and Rotational Kinetic Energy * Two Ball Race Return to Mechanics Videos") Tag: Visual edit
• 10:38, 6 April 2022 Physdemo talk contribs created page Kinematics Videos (Created page with "The following Kinematics Videos are available: * Acceleration * Distance vs. Displacement * Instantaneous Velocity Tangent Line * Position vs. Time * Position vs. Time Slope * Velocity vs. Time Return to Mechanics Videos") Tag: Visual edit
• 10:37, 6 April 2022 Physdemo talk contribs created page Impulse and Linear Momentum Videos (Created page with "The following Impulse and Linear Momentum Videos are available: * Conservation of Momentum - Elastic * Conservation of Momentum - Inelastic * Impulse: Bounce Vs. No Bounce * Impulse: Change in Momentum * Impulse: Change in Time Return to Mechanics Videos") Tag: Visual edit
• 10:36, 6 April 2022 Physdemo talk contribs created page Gravity Videos (Created page with "The following Gravity Videos are available: * Book and Paper Drop * Free Fall Forces * Free Fall Weightlessness Return to Mechanics Videos") Tag: Visual edit
• 10:35, 6 April 2022 Physdemo talk contribs created page Energy Videos (Created page with "The following Energy Videos are available: * Conservation of Energy * Work-Energy Theorem") Tag: Visual edit
• 10:32, 6 April 2022 Physdemo talk contribs created page Tension in a Rope (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=TensionRope.gif}} Set a large dial spring scale in line with a mass on a spring to provide a quantitative description of tension. '''Location:''' * Pulley's: Dr. 1 & 3 * Scales: Dr. 10")
• 10:07, 6 April 2022 Physdemo talk contribs created page Resolution of Forces (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Resolution_Of_Forces.gif}} A demonstration of the components of gravitational forces on an inclined plane. When the ramp is removed, the cart remains in position. '''Location:''' *Inclined Plane: Sh. A-1 *Dynamic Cart (Nakamura 1kg): Dr. 25 *Pulleys: Dr. 2 & 3")
• 09:51, 6 April 2022 Physdemo talk contribs moved page Kinematics in 1-3 Dimensions to Kinematics
• 09:46, 6 April 2022 Physdemo talk contribs created page Painter and Bucket (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Painter_01.jpg|file2=Painter_02.jpg|file3=Painter_And_Bucket.gif}} The tension of the string is doubled when one end is attached to a rigid object. Using some tape where the spring scale hangs on the rod helps it stay in place. '''Location:''' * Masses: Sh. A-4 * Spring Scale: Dr. 10 * Stand: Between Sh. O and M * Rod & Rod Clamp: Dr. 122 & 123")
• 09:45, 6 April 2022 Physdemo talk contribs created page Pressure (Force per unit Area) (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Pressure_01.jpg|file2=Pressure_02.jpg|Pressure=Force_Per_Area.gif}} A wood board with a needle in one end. A balloon will support the flat end but not the thin end. A bed of nails is also available. '''Location:''' * Board with Needle: Dr. 30 * Balloons: Dr. 30 * Bed of Nails: Next to Sh. F")
• 09:44, 6 April 2022 Physdemo talk contribs created page Loaded Beam (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Loaded_Beam.jpg}} Use the T-bar supports for the scales, Place the scales equidistant from the ends. Tare the scales after the beam is positioned. The reading on each scale will depend upon where the mass is located on the beam. '''Location:''' *Scales and T-bar supports: Sh. A-2 *Masses: Sh. A-4")
• 09:43, 6 April 2022 Physdemo talk contribs created page Center of Mass 3 (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=COM_04.jpg}} The 5 blue boards can be lined up to balance on the edge of the surface. If the lines match up, the center of mass will be over the surface which means that it won't tip over. Follow the directions written on the boards to set it up. '''Location:''' * Blue Boards: Left of Sh. A")
• 09:42, 6 April 2022 Physdemo talk contribs created page Center of Mass 2 (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Center_of_Mass-2.gif}} Support the ends of a rod or meter stick with your fingers. Slowly move your hands together. Your fingers will meet at the center of mass. Now suspend a mass off of one end of the rod and do it again. '''Location:''' * Meter Sticks: Wall O-4")
• 09:41, 6 April 2022 Physdemo talk contribs created page Center of Mass (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Center_of_Mass.gif|file2=COM_01.jpg|file3=COM_02.jpg|file4=COM_03.jpg}} Various objects can be balanced on the center of mass. Other objects can be hung from different points and lines, determined by a hanging bob, are drawn on the object . Where the lines intersect is the center of mass. '''Location:''' *Center of Mass Objects: Dr. 5 & Next to Sh. A")
• 09:39, 6 April 2022 Physdemo talk contribs created page Meterstick Balance (Created page with "{{NewDemo|subject=Mechanics|topic=Statics|file1=Balance.jpg|file2=Meterstick_Balance.gif}} A set of masses and supports designed for use with a meter stick to show the summation of torques. '''Location:''' *Masses: Sh. A-2 *Support base: Sh. A-2 *Wood meter sticks: Wall O-4")
• 09:20, 6 April 2022 Physdemo talk contribs created page Fire Extinguisher and Skateboard Rocket (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Skate_Board.gif}} A Carbon dioxide fire extinguisher is retrofitted to allow a narrow high velocity stream of CO2 to be emitted. Conservation of momentum pushes the person in the opposite direction. '''Location:''' *Fire extinguishers: Sh. G-1 *Skateboard: Next to Sh. A")
• 09:19, 6 April 2022 Physdemo talk contribs created page CO2 Cylinder Rocket (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=CO2.jpg|file2=Rocket-CO2_Cylinder.gif}} A small CO2 cartridge is held by this apparatus which spins when the cartridge is discharged. To discharge the CO2 cartridge, use the black cylindrical device pictured in the photo. Pull back on the knob until it locks, place the other end against the CO2 cartridge as it is held in the apparatus, and then push the button on the side of the black cylinder to discharge it. Hold i...")
• 09:19, 6 April 2022 Physdemo talk contribs created page Ping Pong Ball/Super Ball Drop (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Ball.jpg|file2=Super_Ball.gif}} If a ping pong ball bounces 3 ft. and a large superball 5 ft. what will happen if you drop a ping pong ball on top of a large super ball? Answer: Be sure that you have a very high ceiling. '''Location:''' * Balls: Dr. 6")
• 09:18, 6 April 2022 Physdemo talk contribs created page Collision Cars (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=}} The air track system or dynamic carts system can be setup for elastic and inelastic collisions. Can be demonstrated qualitatively or quantitatively with a computer setup for data acquisition. '''Location:''' * See Air Track or Dynamic Carts")
• 09:17, 6 April 2022 Physdemo talk contribs created page Mouse Trap Car (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Rat.jpeg}} A mouse trap is attached to a cart. The trap is set with a piece of string and a bag of lead shot is placed on the trap. When the string is cut or burned trap throws the bag of shot in one direction which causes the cart to take off in the opposite direction. '''Location:''' *Rat Mobile and Lead Shot Bag: Dr. 15")
• 09:16, 6 April 2022 Physdemo talk contribs created page Students and Chairs (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=}} Two students of close to the same mass sit facing each other on chairs with wheels. One student pushes off the other and they both take off in opposite directions. '''Location:''' *Office Style Chairs in Demo Room.")
• 09:15, 6 April 2022 Physdemo talk contribs created page Ice Walker (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Moon_Walker.gif|file2=Ice.jpg}} A board on wheels that rolls backwards when you try to walk forwards. Note: The board is very long, exercise caution getting it down and also when walking on it - recommended to have a hand on the edge of a table or desk for balance. '''Location:''' * Next to Sh. A")
• 09:13, 6 April 2022 Physdemo talk contribs created page Summation of Forces (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=summation.jpg}} Shows a summation of forces keeping a cart at equilibrium. The inclined plane is at 30 degrees and the cart has mass 1kg. Masses on pulleys mimic the normal force of the plane and the static friction that would be needed to keep the cart from sliding down the plane. The cart floats a little above the plane, so once the incline is removed, the cart stays at rest because the sum of forces is zero. Norma...")
• 09:13, 6 April 2022 Physdemo talk contribs created page Atwood's Machine (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Atwoods_Machine.gif}} Two masses hang by a string suspended over a pulley. Hold equal masses at different heights and ask students what happens if you let go. Have they been paying attention?? '''Location:''' *Pulleys: Dr. 1 & 2 *Masses: Sh. A-4")
• 09:04, 6 April 2022 Physdemo talk contribs created page Glider and Pulley on Air Track (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Glider_01.jpg|file2=Glider_02.jpg}} A mass suspended over a pulley accelerates an air track cart. Can be demonstrated qualitatively or a computer with a motion detector or photogates can be used for quantitative analysis. Dynamic carts can also be substituted for the air track. Quieter demonstration but there is a little friction. '''Location:''' *Air Track Cars and Accessories: Dr. 28 *Air Track: Sh. C-0 *Air Suppl...")
• 08:57, 6 April 2022 Physdemo talk contribs created page Acceleration Car (Created page with "{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=Fancart.gif}} A dynamic cart has a fan attached to it. The fan provides a force which accelerates the cart. Mass can be added which causes the cart's acceleration to be decreased. Force can be changed by a two speed switch for the fan. Can be demonstrated qualitatively or a computer with a motion detector or photogates can be used for quantitative analysis. '''Location:''' *Fan Carts: Sh. C-1 *Dynamic Cart Track: Sh...")
• 14:29, 5 April 2022 Physdemo talk contribs created page Slides and Film Loops (Created page with "*Cavendish Experiment (measurement of 'G') 75,75a *Eclipse of the Moon 117 *Eclipse of the Sun 116 *First U.S. Spacewalk 98 *Jupiter Satellite Orbit 72 *Kepler's Laws 73 *Report from Mars: Mariner 9 96 *Retrograde Motion: Geocentric model...") Tag: Visual edit: Switched
• 14:28, 5 April 2022 Physdemo talk contribs created page Observation (Created page with "The following Observation demos are available: * Planetarium * Telescope: Celestron C-90 * Binoculars * Telescope: Refracting Telescope * Telescope: 8" Reflecting Celestron C-8 Return to Astronomy") Tag: Visual edit
• 14:27, 5 April 2022 Physdemo talk contribs created page Planetary Models (Created page with "The following Planetary Models demos are available: *Moon Globe *Earth Globe *Retrograde Motion Return to Astronomy") Tag: Visual edit: Switched
• 14:26, 5 April 2022 Physdemo talk contribs created page Gravitation (Created page with "The following Gravitation demos are available: *Curved Space *Gravitation Ltd Return to Astronomy") Tag: Visual edit: Switched
• 14:23, 5 April 2022 Physdemo talk contribs created page Nuclear Physics (Created page with "The following Nuclear Physics demos are available: * Cloud Chamber * Radioactive Sources * Atomic & Nuclear Film Loops Return to Modern") Tag: Visual edit
• 14:22, 5 April 2022 Physdemo talk contribs created page Atomic Physics (Created page with "The following Atomic Physics demos are available: *Film Loops -- Atomic and Nuclear *Atomic and Molecular Models Return to Modern")
• 14:20, 5 April 2022 Physdemo talk contribs created page Quantum Physics (Created page with "The following Quantum Physics demos are available: *Film Loops -- Quantum *Photoelectric effect *Electron Diffraction *Discharge Tube--Neon Sign Return to Modern Physics")
• 14:19, 5 April 2022 Physdemo talk contribs created page Relativity (Created page with "This is a work in progress! Return to Modern Physics")
• 14:09, 5 April 2022 Physdemo talk contribs created page Spectral Lines (Created page with "The following Spectral Lines demos are available: *Emission **Spectral Tubes/Signs **Spectral Tubes 2 **Burning Salts *Absorption **Sodium Vapor **Neodymium Glass **Chlorophyll Return to Light and Optics")
• 14:07, 5 April 2022 Physdemo talk contribs created page Phosphorescence and Fluorescence (Created page with "The following Phosphorescence and Fluorescence demos are available: *Neon Sign *Phosphor Board Return to Light and Optics")
• 14:05, 5 April 2022 Physdemo talk contribs created page Holography (Created page with "*White light holograms *Laser Holograms *Projection Holograms")
• 14:02, 5 April 2022 Physdemo talk contribs created page Lasers (Created page with "The following lasers are available for demonstrations: *Big Red Modulating Metrologic HeNe Laser *Small Red HeNe Metrologic Laser *Green HeNe Laser *Laser pointers of various colors The following topics use Lasers in their associated demos: *Refraction and Dispersion *Diffraction and Interference")
• 13:44, 5 April 2022 Physdemo talk contribs created page Polarization (Created page with "The following Polarization demos are available: *Polarizing sheets *Corn syrup *Brewster's Angle Return to Light and Optics") Tag: Visual edit: Switched
• 13:43, 5 April 2022 Physdemo talk contribs created page Color (Created page with "The following Color demos are available: *Color Subtraction *Sunset *Color Addition--Pyramid *Color Addition--on overhead *Color Addition--transparencies *Prism and White Light *Complementary Colors *Color Shadow *LED Light Strip - RGB Color Addition Return to Light and Optics") Tag: Visual edit: Switched
• 13:42, 5 April 2022 Physdemo talk contribs created page Diffraction and Interference (Created page with "The following asdf demos are available: *Diffraction **Single Slit Diffraction **Diffraction Grating **Poisson Spot **Razor Edge **X-Ray Crystallography *Interference **Newton's Rings **Soap Film Interference **Two-Slit Interference **Slits, one-to-many, with microwave **Michelson Interferometer **Moiré Pattern on Overhead Return to Light and Optics") Tag: Visual edit: Switched
• 13:36, 5 April 2022 Physdemo talk contribs created page Refraction and Dispersion (Created page with "The following Refraction and Dispersion demos are available: *Refraction **Disappearing Test Tube **Cheshire Cat **Bouncing Laser *Dispersion **Rainbox **Prism and White Light **Lucite Block and Laser Return to Light and Optics") Tag: Visual edit: Switched
• 13:33, 5 April 2022 Physdemo talk contribs created page Geometrical Optics (Created page with "The following asdf demos are available: *[[ Return to Light and Optics") Tag: Visual edit: Switched
• 13:17, 5 April 2022 Physdemo talk contribs created page Inductance (Created page with "The following Electromagnetic Induction demos are available: *Induced Currents *Jumping Rings *Induction Coils *Transformers *Back EMF *Eddy Current Plates *Lenz's Law Tubes *Transformers--Frequency Dependent *Metal Detector *Speaker as a Microphone Return to [https://physdemo.uoregon.edu/index.php/Electricity_and_Magnetism Electricity and Magnetism]")
• 13:16, 5 April 2022 Physdemo talk contribs created page Magnetic Fields and Forces (Created page with "The following Magnetic Fields and Forces demos are available: *Field of Magnetic Dipole *Jumping Wire *Electromagnet--nail and battery *Torsion Balance *Electric Motor *Solenoids *Flip Coil *Current Balance *Magnetic Field Detector *Hall Effect *Motor and Generator--Same Device *Generator--Alternator *e/m tube--circular e-beam *Magnetic Deflection of Electron Beam Return to [https://physdemo.uoregon.edu/index.php/E...")
• 13:15, 5 April 2022 Physdemo talk contribs created page Magnetic Materials (Created page with "The following Magnetic Materials demos are available: *Magnets *Dip needle *Hysteresis Return to [https://physdemo.uoregon.edu/index.php/Electricity_and_Magnetism Electricity and Magnetism]")

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