Revised Tue Jan 24 08:22:01 2012
Please note that first semester related listings may reflect the first edition of the book
M-a4a | Magnetic Blackboard Vectors | A set of magnet-backed vectors of lengths 3, 4, and 5 used to show vector addition on the blackboard. |
M-a4c | PhET Vector Addition Simulation | Colorado PhET 2-D vector simulation: http://www.colorado.edu/physics/phet/simulations/vectormath/vectorMath.swf |
M-c1a | Addition of Velocities--Tank and Sheet | A battery powered tank runs at constant speed on a moving paper to show how velocities add and subtract. |
M-c1b | Linear Air Track: Position vs. Time | A glider travels down the 5 m air track while evenly spaced photogates record the elapsed time. One can then plot the position versus time for the glider on an overhead. The track may be inclined for uniformly accelerated motion. |
M-c1c | Linear Air Track: Instantaneous Velocity | An air track glider passes through two pairs of closely spaced photogates with each pair separated by 2 meters, enabling instantaneous velocities, accelerations, and predicted distances to be calculated. |
M-c2b | Inclined Air Track | Prop up one end on an air track and use photogates to time the glider's voyage. |
M-e1a | Crossing the River | A battery powered tank runs at constant speed on a sheet of paper that is pulled in a direction perpendicular to the tank's velocity. |
M-a1a | Meter Standard | A replica of the platinum-iridium bar in Paris that was the international standard for length before 1960. |
M-a1b | One Nanosecond Bar | A piece of plastic cut to a 1 ns length and imprinted "one nanosecond." Ruler shown for comparison. |
M-a6a | Movie--Powers of Ten | "Powers of Ten" is a 9 minute film spanning scales from the edge of the universe to the sub-atomic |
M-c1d | Motion Detector and Board | An ultrasonic motion detector generates a real-time graph of displacement (and/or veloctiy and/or acceleration) versus time as a boards is moved in front of the detector. |
M-c2a | Dime and Feather Tube | A penny and a feather fall freely inside a glass cylinder that can be evacuated. |
M-c2c | Basketball and Tennis Ball drop | Basket and Tennis balls are dropped simultaneously from the same height. |
M-c3a | Timed Free Fall -- Lecture Hall | A metal ball is dropped from 1m and then from 4m into a catch bucket; a precise digital timer records the time of flight for each fall. [May conflict with Shoot-the-Monkey or Timed Free Fall.] |
M-r2d | Bend the Wall | Push on a concrete wall and the wall's deflection is detected by the deflection of a laser beam |
M-r2e | Bend the Table | Stand on the demo table and show the tabletop deflection by the dispalcement of a laser beam. |
M-g1a | Spring-Pulled Air Cart | An air track glider is pulled by a spring held at constant extension. |
M-g1f | Heavy Cart pulled by Spring Scale | A cart loaded with masses is pulled by a spring held at constant extension. |
M-g1d | Second Law--Fan Propelled Cart | Launch a fan-propelled (constant acceleration) cart down the track and observe what happens when its mass is varied. |
M-f3a | Glider on Level Air Track | A glider on a level air track persists in gliding. |
M-f3b | Block on a Cart | A block is placed on a rolling cart; when the cart is stopped, the block continues. |
M-g1g | Dynamics Cart with Force and Motion Sensors | Use a motion sensor with a force sensor mounted on a dynamics cart pulled by a constant tension string to illustrate Newton's second law. The mass of the cart and the string tension can be varied. |
M-j3a | Suspended 3-4-5 Block | A 1 kg mass rests on a 3-4-5 incline (e.g. incline angle = arctan(3/4)). Forces parallel and perpendicular to the incline will support the mass in mid-air when the incline is removed. |
M-j3e | Tension in a String | The weight of a mass hung from a spring scale is compared to the weight shown on a spring scale between two masses over pulleys |
M-j3d | Four scales in a row | A mass is hung at the end of a series of spring scales |
M-j3f | Scale-Mass-Scale-Mass | A mass is hung at the end of a series of spring scales with an intervening mass. |
M-j3c | Rope and three students | Two large strong students pull on the ends of a rope and a small student pushes down in the middle. |
M-g1e | Spring Scale vs Pan Balance | Show and tell a mass on a spring scale and a pair of masses on a pan balance. |
M-g2b | Elevators -- Spring and Mass | Quickly raise and lower a spring scale loaded with a mass NEW |
M-k2a | Friction Cars on Inclined Plane | The static or dynamic forces required to move teflon-coated, rubber-coated, and wooden carts on an inclined plan are displayed on a spring scale |
M-k2b | Rolling Friction -- Happy and Unhappy Balls | Race the happy and unhappy balls down an inclined plane |
F-c3b | terminal velocity--coffee filters | Drop a coffee filter and it descends at a low terminal velocity. Crumble it and it free falls. |
F-c3c | Coffee Filter Drop | One coffee filter dropped from one meter and four coffee filters dropped from 2 meters hit the ground at the same time, demonstrating that the drag force is proportional to the square of the velocity |
M-d6e | Shoot the Monkey | An air-gun shoots at a monkey, released when the air-gun is fired; the bullet hits the monkey in mid-air. [May conflict with Timed Free Fall or Balls Shot and Dropped.] |
M-d6g | Range of a Gun | Shoot at 45, then calculate 30 or 60 and place the target |
C-2 | Comic: Projectile Problem with Pirate | Foxtrot Comic of doodling a pirate scenario on a projectile problem assignment |
C-3 | Comic: Snowball Throw Calculation | Foxtrot comic of getting smacked while mentally calculating snowball throw parameters |
M-d6c | Jumping Ball on Cart | A ball projected vertically upward from a wheeled cart falls back into the muzzle. |
M-d6d | Balls Shot and Dropped -- Lecture Hall | A ball is dropped and simultaneously another is projected horizontally; they hit the floor at the same time. [May conflict with Shoot-the-Monkey and Timed Free Fall.] |
M-d6j | Blocks Nudged and Hit | A meter stick, fixed at one end, is bent and released to simultaneously knock blocks off the table. |
M-d1f | Balls on Rotating Disk | A disc with two balls mounted at different radii rotates at varying speeds. A third ball may be placed in the center if disk is horizontally mounted. Both orbital and spin rotations may be seen. |
M-d5d | Ball on a String | Attach a lightweight ball to a string and twirl |
M-d5a | Orbit Ball | This consists of a large and a small ball attached to opposite ends of a string which passes through a metal handle. The light ball is twirled and the centripetal force is provided by the weight of the heavy ball. |
M-L2c | Satellite Launch Applet | Animation launching a satellite tangentially to earth surface, as function of velocity: http://www.phy.ntnu.edu.tw/ntnujava/msg.php?id=47 |
M-L2g | Ball Orbiting inside Cone | A large glass cone is used to show circular and elliptical orbits, conservation of angular momentum, and the speed-height paradox. |
M-m4c | Loop the Loop | A rolling ball must be released from a height equal to 2.7 times the radius of the loop. |
M-d5c | Swing the Bucket | Swing a bucket of water in a vertical circle and then in a horizontal circle over your head. |
M-d5m | Tangential Velocity | This demo uses an apparatus that rotates a ball on a string and that provides a means to cut the string while the ball is in flight. |
M-d5o | Falling off the Merry-go-round | Blocks lined up radially on a turntable fall off in succession as the turntable speeds up. |
M-h1b | Tennis Ball Cannon | A cannon mounted on an air track glider shoots out a tennis ball horizontallly. |
M-n2f | Spring apart Vernier carts with Magnets | Hold the two carts gether, and then release them; the cart masses may be varied. |
M-h1f | Force Sensors on Colliding Cars | Measure the forces on each of two colliding cars, one heavy and one light, using force sensors. |
M-h1c | 3rd Law with Scales | Pull on two coupled spring scales with springs of equal or unequal strength. |
M-h1e | 3rd Law with Bathroom Scales | Have two students push against bathroom scales laid back-to-back to verify that each scale reads the same. |
M-h1d | Fan Cart with Sail | A cart with a sail propelled by a battery powered fan shows interesting third law behavior. |
M-m2a | Simple Pulley | Show a simple pulley in equilibrium |
M-m2e | Double Pulley Setup | A 500g mass balances a 1000g mass in a two pulley system; can show that the work done by each in moving is the same. |
M-m2d | Bosun's Chair -- Single Pulley | Subject in harness with attached rope that flows through overhead pulley, pulls self up with a force equal to half subject's weight. |
M-m2b | Compound Pulley | Weights of a proportion of 5-to-1 are the equilibrium conditions for this compound pulley. |
M-g1c | Atwood's Machine | Two equal masses are hung from a pulley. A small amount of mass is transferred from one side to the other. |
M-n1c | Measuring Impulse with Force Sensor | A force sensor mounted on a cart collides with a barrier, and different force vs. time curves are obtained when the cart bumper is changed. |
M-n1b | Egg in sheet | Throw an egg into a sheet held by two people. |
M-n2c | Spring apart Pasco carts | Tripping the spring between two Pasco carts launches them in opposite directions; the cart masses may be varied. |
M-n3c | Elastic Collisions on Air Track | Elastic collisions between air track gliders of equal and/or unequal mass. |
M-n2a | Fire extinguisher wagon | Mount a fire extinguisher on a cart and take a ride. |
M-n2b | Water Rocket | A toy rocket is launched twice, once when pumped up with air and once when pumped up with water. |
M-n2g | Rocket Car -- Vinegar and Baking Soda | Vinegar and Baking Soda combine to blow out the stopper and propel this rocket car. Vinegar & Soda not shown. |
M-n3d | Inelastic Collisions on Air Track | Inelastic collisions between air track gliders of equal and/or unequal mass. |
M-n3g | Happy and Unhappy Ball Collisions | A happy ball rolls down the incline and knocks the block over; the unhappy ball does not. |
M-q4a | Rotating Platform and Weights | Spin on a rotating platform with a dumbbell in each hand. |
M-m4a | Bowling Ball Pendulum | A bowling ball pendulum is pulled back until it touches the lecturer's nose and let go. The lecturer does not move. |
M-m4b | Galileo's Pendulum and Nail | A pendulum started at the height of a reference line reaches the same height when its swing is intercepted by a post that effectively shortens the length of the pendulum. |
M-m4d | Ballistic Pendulum with Gun | A ball is shot out of a fixed, spring-powered gun into a pendulum which traps the ball. |
M-m4h | Ping-Pong Slingshot | Shoot Ping Pong Balls at unbelievers in energy conservation. |
M-m4k | Toys - Jumping | A spring-loaded object (jumping disk; jumping frog) can often jump many times its own height. |
M-d1e | High road low road - large version | Two balls race, one following a straight channel and the other along a channel with a valley. |
M-m4f | Spring-Launched Rolling Cart | Predict the height to which a spring-compressed cart will rise on an inclined plane given the mass, spring constant, and amount of spring compression. Do the experiment. |
M-n3a | Newton's Cradle | Five adjacent metal balls on a bifilar suspension illustrate momentum conservation properties. |
M-r4b | Atomic Trampoline | Compare a steel ball bouncing on an amorphous metal to one bouncing on stainless steel. |
M-r4a | Happy and Unhappy Balls | Two black rubber balls of about 1.5 cm diameter are dropped from a height simultaneously. One ball bounces high while the other barely rebounds. Great to pass around. |
M-m4i | Movie: Honda Cog | Two-minute Honda movie ad of a series of mechanical cogs bumping into each other in sequence. http://www.youtube.com/watch?v=EEF0cg1j35 |
M-m4l | Movie: OK Go - This Too Shall Pass (Rube Goldberg Machine) | Sequence of collisions set to "This too Shall Pass" at http://www.youtube.com/watch?v=qybUFnY7Y8w |
M-m1a | Pile Driver | Drive a nail into a block of wood with a pile driver. |
M-m2c | Spring Launched Cart on Level Track | A spring (of measurable spring constant) launches a cart (with measurable final veloctiy) on a level air track. Mass of cart can be varied. |
M-d4b | Throwing Foam Slab | A slab of foam has its center of mass marked with a black dot; this dot follows a parabolic path when the slab is thrown. |
M-j4a | Torque Bar | A long thin rid mounted perpendicular to a bar handle holds a 2 kg mass on a sliding collar. |
M-j4e | Movie: Milwaukee Pitstop Ad | A humorous, fake video showing a car being rotating by a torque wrench. http://www.youtube.com/watch?v=q5LrarVz94g |
M-j4d | Wrench, Nut, and Bolt | Use a wrench, nut, and bolt to illustrate torque. |
M-j4b | Equal Arm Balance | Combinations of weights and distances on either side of the fulcrum of the equal arm balance may be selected to produce equilibrium. An oblique arm is used to show that the effective length of the lever arm is set by the component of the force. |
M-j4c | Mass on Bar between Scales | A horizontal beam with a sliding 1 kg mass is hung between two spring scales. |
M-q1a | Inertia Wands | Students twirl equal mass wands, one with the mass concentrated in the middle, the other with the mass concentrated at the ends. |
M-q2a | Whirlybird | Two equal masses with adjustable positions are mounted on a radial bar fixed to a horizontal axis with a pulley. A weight on a string rotates the assembly. |
M-j1a | Hanging Shapes | Suspend a 2-dimensional shape from holes drilled near the edges, and use a plumb bob to find the center of gravity. |
M-j1d | Meter Stick on Fingers | Slide fingers together under a meter stick to come together at center of mass. Repeat with mass attached to one end of stick. |
M-k1b | Ladder against a Wall | Set a ladder against the wall and walk up the rungs until the ladder begins to slide. |
M-k1c | Walking the Spool | The spool can roll forward or backwards when the string is pulled, depending on the angle of pull. |
M-j1b | Photo: Pisa's Leaning Tower | Digital image of the photo from Bloomberg's sixth floor of the Leaning Tower of Pisa. May be projected in the auditorium. |
M-j1c | Center of Gravity Blocks | Stack blocks stairstep fashion at the edge of the table until the topmost block sticks out beyond the table edge. |
M-j2b | Tight Rope Walker | The Tight Rope Walker consists of a pulley with four heavy lead weights on long semi-stiff wires symmetrically mounted around it. When placed on the "rope" (Cord), the weights hang down well under the rope, leaving the center of the Walker's mass below the rope and thus making it easy for the Walker to keep its balance. |
M-q1b | Ring versus Disk Race | The Matched Disk and Ring are identical in diameter and mass. When rolled down the inclined plane, the disk wins the race due to its lower moment of inertia. |
M-q1c | Racing Disks | Two disks of identical mass, one weighted in the center and the othe weighted at the rum, are rolled down an incline. |
M-q4f | Collapsing Star | Collapse a spinning suspended Hoberman Sphere into a small ball. |
M-a3a | 3-D XYZ axes | A simple 3-D XYZ Coordinate System |
M-q4c | Bike wheel on rotating platform | Invert a spinning bicycle wheel while standing on a rotating platform. |
M-q5d | MITAC Gyroscope | This motorized gyroscope, used in the teaching labs, is good for showing a gyroscope's directional constancy; precession due to applied torques, and nutation. |
W-a1d | Torsion Pendulum | A steel cylinder is suspended by a steel music wire along its right axis. When the cylinder is displaced by rotation and released it will oscillate in simple harmonic motion. |
W-a2b | Spring and Air Cart | An air track glider is attached to a horizontal spring and displaced from equilibrium. |
W-a2c | Air track glider and Spring | Two identical air track carts are attached to (opposite) ends of an air track by means of two different springs. A mass may be added to either cart, and the dependence of the oscillation frequency on mass and on spring constant may be explored. |
W-a2e | Glider and Spring with Motion Detector | A motion detector enables the time dependence of a glider's position, velocity, and acceleration to be displayed. |
W-a4a | Projected SHM | Shadow project a ball mounted on a rotating disk. |
W-a2a | Spring and Weight | A mass hangs on the end of a spring. Using two springs of different k and a variety of masses, show the effect of varying k and m. |
W-a2d | Springs in Series and Parallel | A spring with mass m, two identical springs in parallel with mass 2m, and two identical springs in series with mass m/2 oscillate with the same period. |
W-a1a | Simple Pendulum | A bob on a string hanging from a stand exhibits simple harmonic motion for small angles. |
W-a1b | 4-to-1 Pendula | One pendulum four times longer than a second oscillates with twice the period of the second. |
W-a1c | Different mass pendula | Three pendula of different masses but the same length all oscillate with the same period. |
W-a1e | Pendula Amplitude Dependence | Two identical simple pendula set in motion with different initial amplitudes, oscillate nonisochronically. |
W-a6a | Tacoma Narrows Film | A 3 minute video of the collapse of the Tacoma Narrows Bridge. Very impressive and memorable. |
W-a6d | Film: Puzzle of the Tacoma Narrows Bridge Collapse | The expanded 8.21 minute, 1979 version of the Tacoma Narrows Bridge Collapse, with additional context and detail. |
W-a6c | Damped Driven Hanging Mass | A mass, supported by a spring whose support is driven, vibrates against a solid screen; the drive amplitude, frequency and the screen angle can be varied. |
F-b2a | Pascal's Vases | Tubes of different geometries rise vertically out of a common reservoir of colored water. |
F-b3a | Crush the Can--with pump | A vacuum pump evacuates a 1 gallon can; atmospheric pressure crushs the can. |
F-b3f | Magdeburg Disks -- Hanging from Ceiling | The space between two plates is evacuated; one plate hangs from the ceiling and a person sits on a seat attached to the other. |
F-b3e | Vacuum Ping Pong Ball Cannon | Atmospheric pressure shoots a ping pong ball through an aluminum can. |
F-b4c | water and oil "U" tube | Water and oil rise to different heights in a "u" tube. |
F-c1a | Torricelli's Tank | Water streams out from three holes at different heights in a tall cylinder. |
F-b2f | Hydraulic Press | Break a piece of wood in a hydraulic press. |
F-b4a | Weigh Submerged Block | A 2 kg Al cylinder, suspended from the 20 N spring scale, is lowered into water and the new weight is observed; Can have beaker on scale; Can lower into oil for comparison |
F-b4g | Finger in Water | Ask what will happen when a finger is inserted into a beaker of water balanced on a pan balance. |
F-b4h | Sulfurhexafluoride Boat | An aluminum boat floats on a sea of Sulfur Hexafluoride gas |
F-b4d | Coke and Diet Coke | An unopened diet soda can floats in water, and a regular soda can sinks. |
F-c2a | Venturi Flowmeter | Air flows through a restricted glass tube to the atmosphere; the pressure at different points of the tube is shown by manometers. |
F-c2b | Floating Ping Pong Ball | A ping pong ball floats in an upward stream of air. |
F-c2c | Funnel and Ball | A ping-pong ball is supported by air streaming out of an upside down funnel. |
F-c2k | Fan blowing on Board | A fan blows on a board mounted so that it can rotate about an axis in the wind. What orientation will the board take? |
F-c2L | Falling Card | Hold one of these cards horizontally in the air, and then drop one to observe the dominate behavior of the card orienting itself horizontally, as well as the slipping and rotating behavior believed due to turbulence. |
F-c2g | Bernoulli Paper Lift | Raise a strip of paper by blowing just above its surface |
F-c2j | Lifting Plate - Spool and Card | Stick a pin in a card, insert into a spool, and blow through the other end to lift the card. |
F-c2d | Windbag | Blow up an 8-foot long bag with one breath. |
F-c2e | Ping Pong Ball and Racket | Use a ping pong racket to hit a curve ball using a 2-3" diameter styrofoam ball or a ping pong ball. |
F-c4d | Swimming in Corn Syrup Movies | Three movies showing a flap-drive in water, flap-drive in corn syrup, and corkscrew-drive in corn syrup, from Youtube. |
F-c4b | Laminar Flow in Microfluidics Card | Observe water flow laminarly in a microfluidic circuit. |
F-c4c | Movies: Laminar Flow in Pipe | Movies of laminar and turbulant flow in pipe from Youtube. |
M-r2b | Young's Modulus | Hand weights from a wire, and use a laser and mirror-mounted-on-lever to display the elongation. |
M-r2c | Poisson's Ratio with rubber tube | The striped tube can be stretched to show lateral contraction with increasing length. |
M-r5b | Ball and Spring crystal model | Cubic crystal model made of platic balls connected by springs. |
H-d5a | Ink in Water | A drop of ink diffuses slowly in water |
W-b1a | Pulse on 1.9m spring | Give the 1.9 m spring a quick pulse. The length and/or tension in the spring can be varied. Good for showing pulses, standing waves, harmonics, energy transfer. |
W-b1b | Pulses on Torsional Wave Apparatus | Excite the short-bar and long-bar torsional wave machines by hand to show how the wave speed varies as the inertia of the medium (the rod length) varies. |
W-b2a | Hanging Slinky | A long slinky is supported on a bifilar suspension, and the ends are taped to the lab stands, for showing longitutinal wave properties with minimal friction. [BROKEN] |
W-b2e | Driven Rope Waves | A horizontal rope with a mechanical vibrator at one end and a weight over a pulley at the other end is used to show standing waves at different driving frequencies. [Needs Fixing] |
W-b2f | Standing Waves on a String | Use a mechanical vibrator to generate standing waves on a string with one end under tension from a hanging mass. Best under UV light |
W-b2g | Standing Waves on torsional wave machine | Excite standing waves on the torsional wave machine by hand |
W-b2h | Simulation: Standing Waves on torsional wave machine | Simulation illustrating forbidden bands and standing waves specific to the torsional wave machine. http://www.pha.jhu.edu/~javalab/wavemachine.html |
W-b3d | Speed of Sound by Phase Difference | A function generator drives a speaker, and an oscilloscope displays the signals from the function generator and a microphone that moves radially from the speaker. |
W-b3c | Speaker and Candle | A large speaker operating at low frequncy and large amplitude makes a candle flame oscillate. |
W-d4d | Stroked Aluminum Rod | An aluminum rod sings when stroked with rosin-covered fingers. |
W-d4g | Musical Goblet | Rub the edge of a goblet with a wet finger to make it sing. An oscilloscope can be used to measure the frequencies. |
W-d4f | Shattering Wineglass with Sound | Shatter a wine glass with sound waves at the glass resonant frequency |
W-b4a | Doppler Buzzer | Swing a small battery powered buzzer on the end of a string in a circle over your head. |
W-b4b | Doppler in Ripple Tank | Move the wave generator back and forth in the ripple tank. |
W-b4c | Doppler with Stroked Aluminum Rod | Shake the stroked aluminum rod at the audience |
W-b4e | Photo of jet with vapor cone | Photograph of Airplane creating vapor cone shock wave |
W-b1c | Simple Reflections--Torsional Wave Apparatus | Send pulses down a torsional wave model machine with the other end free, fixed, or attached to a dash pot. |
W-b2r | Wave Superposition -- Torsional Wave Apparatus | Send pulses simultaneously from both ends of one section of the torsional wave machine. |
O-p6a | HeNe Laser exposed | Examine an exposed operating HeNe laser cavity with a diffraction grating. |
W-d2a | Guitar | Hanging weights on the end of a "guitar" can be varied to "tune" the guitar to a desired pitch. |
W-d3a | Resonant Tube | A long tube is rolled in front of a speaker driven by a sine wave generator to show resonance. A microphone probe shows pressure variations on the o-scope. |
W-d3g | Ruben's Tube | Show nodes and antinodes with the flames coming from a row of holes in a hollow tube filled with propane. |
W-d3b | Organ Pipe | A closed-end, square wood organ pipe of adjustable length. |
W-d3c | Trombone | A student-class trombone illustrates the effect of pipe length on resonant frequencies. |
W-d4c | Chladni Plates | A driven Chladni plate covered with sand shows standing wave patterns. Noisy! |
W-b5e | Two-Speaker Bar | A 2 meter long bar with a speaker at each end produces auditory interference patterns. |
W-b5g | Two Speakers and Microphone | Use a microphone attached to an oscilloscope to display the interference patterns produced by two identically-driven speakers |
W-b5f | Baffle and Speaker | Listen to a single bare speaker, then surround it by a baffle. |
W-b5c | Two Points in Ripple Tank | Two point source generators of ripples show interference patterns in the ripple tank on the overhead projector. |
W-b5b | Moire Pattern Transparancies | Transparancies with identical concentric circular patterns are placed on top of each other with a slight offset. |
W-b6a | Beats with Tuning Forks | Two tuning forks of identical frequency are mounted on resonant enclosures; when a small piece of wax is attached to one, beats can be heard. |
W-b6c | Beats with Tuning Forks and Oscilloscope | Examine with an oscilloscope the beats from two identical tuning forks mounted on resonant enclosures. |
W-b6b | Beats on Scope | Two audio signals are fed through a summing amplifier and the result is presented on the oscilloscope and a speaker. |
O-d1a | Double Slit and Laser - Cornell Slitfilm | Use a laser bean on the slits on the far column of the Cornell slitfilm to show the effect of increasing the spacing between a pair of slits, with the slit spacing held constant. The first entry is a single slit. |
O-d2b | Rowland Ruling Engine | The Rowland Ruling Engine, on the second floor of the Bloomberg Center. |
O-d2c | Types of Diffraction Gratings | Transmission and Reflection, Blazed and Not, Diffraction Gratings of different line densities probed by a laser. |
W-b5a | Single Slit in Ripple Tank | Diffraction from a plane wave passing through a single slit on the ripple tank mounted on the overhead projector. |
W-b5d | Double Slits in Ripple Tank | A plane wave impinges on a barrier with two slits in the ripple tank on the overhead projector. |
O-c1a | Single Slit Diffraction Pattern - Cornell Slits | Shine a laser beam through single slits of various widths. The Cornell slitfilm is shown; we also have a slitfilm from Pasco |
O-c2e | Pin hole diffraction - projected | View the diffraction pattern of a pinhole; a variety of pinhole dimensions are available. The photo shows 100 um and 50 um round pinhole patterns and 100 um and 50 um square patterns. |
O-d4a | Michaelson Interferometer | Show the Michaelson Interferometer and how it works. |
O-a1c | Blackboard Optics -- Plane Mirror | Use multiple-beam generator to show image formation with a plane mirror. |
O-a1g | Diffuse vs Specular Reflection | Reflect light first from a shiny surface, then from a rough surface. |
O-a1d | Corner Reflector | Look into a corner reflector |
O-a1f | 3-D axes in Plane Mirror | Right-handed and left-handed coordinate axes illustrate parity reversal in a mirror. |
O-a1e | Multiple Virtual Images | By folding two mirrors hinged together, show multiple virtual images of a candle. |
O-a4a | Magic Mending Solution | A broken pyrex beaker is "magically" mended with a beaker of Wesson Oil. |
O-a4d | Refraction with Blackboard Optics | A single beam of light shines on a large acrylic surface. |
O-a4j | Stick in Water | A stick appears bent when inserted into the water at an angle. |
O-a4s | Total Internal Reflection (Blackboard Optics) | Show total internal reflection with the blackboard optics kit. |
O-a4p | Total Internal Reflection-Fiber Optics | Shows the path of a laser beam inside an acrylic rod. |
O-a4q | Optical Fibers | Show (with a laser pointer) and tell with optical fibers |
EM-n3b | Project the Spectrum | Project white light through a high-dispersion prism |
O-f4a | Sunset | A beam of light shines through a tank of slightly milky water onto the wall. |
O-a6a | Blackboard Optics -- Thin Lens | Ray trace images using convex and concave lens and a parallel ray box. |
O-a2c | Blackboard optics -- curved mirrors | Show image formation (size, location, orientation) from concave and convex mirrors on the blackboard. |
O-a2d | Optic Mirage | Two concave mirrors face each other. The top mirror has a hole allowing light to enter and escape. An image of the objects resting on the bottom of one appears at the center hole of the top mirror. |
O-a2f | Large Concave/Convex Mirrors -- on Stand | Alternative pair of concave/convex mirrors |
O-a6b | Image formation with Thin Lens | Project or view the image of an illuminated arrow through a thin lens. |
O-j1c | Working Eye Model | A model demonstrates the focal capabilities of the normal, nearsighted, and farsighted eye. |
O-a7a | Microscope Model (Blackboard Optics) | Mimic a microscope objective with blackboard optics. |
O-a7e | Two-Lens Microscope Model | Use two lens to make a simple compound microscope. |
O-a7b | Telescope Model | Use two lens to make a simple telescope. |
MO-b1a | Diffraction Grating and Atomic Spectra | Have students look through a diffraction grating at a spectrum tube. |
MO-a6a | Electron Diffraction | Electrons passing through a carbon target produce a circular diffraction pattern. |
EM-a2c | Party balloon on wall | Rub a balloon against your hair or wool shirt and stick it on the wall. |
EM-a2e | Paper pickup with charged objects | Use a comb, PVC rod, glass rod, or other charged object to pick up pieces of paper |
EM-a2a | Charged Rods on Pivots | A charged rod on a pivot is used to show attraction and repulsion by another charged rod. |
EM-a4c | Deflection of stream of water | A charged rod deflects a stream of water. |
EM-a1a | Frictional Electricity | An electroscope is charged using charged rods. |
EM-a3a | Conductors and Insulators | Shows that charge can be transferred to an electroscope through conductors but not insulators |
EM-a4b | Charged Rods and Aluminum Can | A charged rod can be used to pull a soda can by electrostatic induction |
EM-a2d | Large Sphere and Ping Pong Ball | A small charged ball is repelled from a large charged sphere. Attraction and induction can also be shown. |
EM-b1d | Electric Field Visualizer | Tiny fibers in a clear oil align in the direction of strong applied electric fields. |
EM-a4a | Electroscope Charged by Induction | Charge an electroscope by induction. |
EM-b1b | Hair on End | Charge yourself with a Van de Graaff generator |
EM-b1m | Van de Graaff stick | Aluminum floaters are held aloft with the Fun Fly Stick |
EM-b1e | Tart Pan Blowoff | Tart pans stacked on top of the Van de Graaff fly off. |
EM-b1k | Visualizing Field Lines in a Capacitor | Use the Electric Field Visualizer with two parallel conductors to show the field lines for a capacitor including edge effects |
EM-b1a | Oscilloscope | Show that an electron beam passing between charged, parallel plates is deflected using an oscilloscope (view along beam) |
EM-b4a | Electron Beam Deflection -- Parallel Plates | An electron beam is deflected between parallel, oppositely charged plates (viewing beam from side) |
EM-b1g | Torque on Electric Dipole | A small rod aligns between parallel plates |
EM-b2a | Faraday Bucket | Show that charge resides on the outside of a hollow conductor. |
EM-b2f | Gauss with Electric Field Visualizer | Tiny fibers in a clear oil that align in the direction of strong applied electric fields remain randomly oriented inside a charged ring. |
EM-b2b | Radio in a Cage | Surround a radio by a Faraday cage and the signal goes away |
EM-b1n | Visualizing Electric Potential | A voltmeter is used to probe the electric potential between conductors in a water solution. |
EM-b3b | Electric Potential -- Parallel Plates | Show that the electric potential varies linearly with distance between Parallel Plates |
EM-b3h | Electric Potential -- Point Charge | Show the electric potential variation with distance for a small disk of charge approximating a point charge. |
EM-a5b | Van de Graaff Generator | Describe the operation of the Van de Graaff and show sparks from the ball to a nearby grounded conductor. |
EM-a5c | Van de Graaff Generator--Sound | The engine strains more and more as the charge on the dome increases. |
EM-e4a | Lemon Battery | Stick copper and zinc electrodes into a lemon and measure the potential difference with a voltmeter |
EM-b3a | Surface charge density - conducting balls | A pair of large balls with the same separation as a pair of small balls are charged simultaneously with the Wimhurst. |
EM-b3c | Charged Ovoid | Use a proof plane and an electroscope to compare charge densities at different points on an egg-shaped conductor. |
EM-b3g | Lightning Rod | Electrical arcing between two large metal spheres abruptly ceases when the lightning rod is touched to one. |
EM-b3f | Electric Wind with Van de Graaff | A point attached to the Van de Graaff blows a hanging piece of cardboard. |
EM-b3e | Van de Graaff Pinwheel | A pinwheel rotates on top of a van de Graaff generator. |
EM-c1a | Parallel Plate Capacitor | Vary the spacing of a parallel plate capacitor attached to an electroscope. |
EM-c1b | Rotary Plate Capacitor | The rotary plate capacitor is attached to the electroscope. |
EM-c3b | Bulb and 1 Farad Capacitor | A large (1 Farad) capacitor is charged with a battery then discharged through a light bulb. |
EM-c3c | Bulb and 1 Farad Capacitor with DVM | A large (1 Farad) capacitor is charged with a battery then discharged through a light bulb, with output monitored with DVM |
EM-d2a | Change of Resistance with Temperature | A coil in series with a lamp is immersed in liquid nitrogen making the lamp glow brighter. |
EM-c3a | Explosive Capacitor Discharge | Discharge a 10kV, 1uF capacitor through a thin wire or thick screwdriver |
EM-f3f | Battery Charging Capacitor with Bulb Indicator | Examine the behavior of a light bulb in series with a battery charging up a capacitor. |
EM-f3e | Capacitors in Series and Parallel | Discharge a 0.1F capacitor through a light bulb, and compare with that for three in series and three in parallel |
EM-c2a | Parallel Plate Capacitor with Dielectric | Insert and remove a dielectric sheet from a charged parallel plate capacitor attached to an electroscope. |
EM-c2c | Force on a dielectric | Mineral oil climbs in the gap between parallel plates |
EM-d1a | Wire Resistivity | Place 6V across a set of wires of different diameters and measure the currents. |
EM-d2c | Conduction in Glass | Heat a glass rod with a flame until its resistance is low enough to sustain conduction. |
EM-d4a | Jacob's Ladder | An arc rises between rabbit ear electrodes attached to a high voltage source. |
EM-f1a | Resistor I-V characteristics | Measure and graph the I-V characteristics for a resistor. The value of the resistance may be varied. |
EM-f1b | Resistance of a Wire | Measure the potential drop along a wire |
EM-f1e | Hot Dog Cooker | Spike a hot dog with two nails and cook it. |
EM-f2a | Series Circuit with Bulbs | Show a series circuit of light bulbs |
EM-e4b | Internal Resistance of Battery | Measure the voltage across a battery as its load decreases |
EM-f2b | Parallel Circuit with Bulbs | Show a parallel circuit of light bulbs |
EM-f2c | Series Parallel Combination | Two bulbs in series with a power supply, and a third bulb in parallel with one of others. |
EM-f3d | Bulb, 1 Farad Capacitor, and oscilloscope | Oscilloscope display of a 1 Farad capacitor discharging through a light bulb. |
EM-g1a | Lodestone | Show that the lodestone attracts small nails and paperclips. |
EM-h2a | Magnets on Pivots | One magnet is placed on a pivot. The other is used to attract or repel the first |
EM-h2b | Ring Magnets on a Pole | Two or more ring magnets are placed on a vertical pole |
EM-h1a | Oersted Experiment on Overhead | Show that current in a wire deflects a compass needle. |
EM-h1d | Magnet and Compass Array -- 2D | A small magnet on top of the magnetic domain model apparatus |
EM-h1k | B-Field due to long straight wire | Iron filings are sprinkled on a plexiglas plate through which a long vertical current-carrying wire passes. |
EM-h1m | B-Field due to single coil. | Iron filings are sprinkled on a plexiglas plate through which a single loop of current-carrying wire is mounted |
EM-h1n | B-Field due to solenoid | Iron filings are sprinkled on a plexiglas plate through which a current-carrying solenoid is mounted. |
EM-h3a | e/m tube | Deflect the beam in an e/m tube with magnets |
EM-h3b | Oscilloscope and magnet | Deflect the beam in an oscilloscope with magnets |
EM-h4a | Force Between Two Current Carrying Conductors | Show on the overhead projector that long parallel wires with currents in the same (opposite) directions attract (repel). |
EM-h4b | Force on Current-carrying wire | A loop of wire swings to the side of a U-magnet's gap when connected to a current-limited power supply. |
EM-h5a | Galvanometer | A magnet exerts a torque on a current-carrying coil. |
EM-k4c | Direct Current Motor | Show and explain a DC motor running on batteries. |
EM-k4g | World's Simplest Motor | A simple DC motor that requires only a battery, a bare wire, a nail, and a magnet. |
EM-g1b | Steel Bar and Magnet Puzzle | Given only a cylindrical magnet and a similarly shaped steel bar, figure out which is which! |
EM-g2c | The Barkhausen Effect | Clicking noises are heard when a magnet is brought near iron wire within a pickup coil. |
EM-g2d | Magnetic Domains in Ferrimagnetic Garnet | Watch a ferri-optical garnet between crossed Polaroids on a microscope as a magnet is brought near. |
EM-g2a | Magnetic Domain Model | An array of small compasses shows domain structures |
EM-k1a | Induction Coil and Magnet | A magnet is moved in and out of a coil connected to a galvanometer |
EM-k1b | Induction with Coils and Battery | Attach one coil to a galvanometer, another to a battery and tap switch. Use a core to increase coupling |
EM-k1e | Audible Pickup Coil | Generates sounds in a pickup coil connected to a speaker with a steel tuning fork. |
EM-k2a | Eddy Current Pendulum | A copper sheet, a comb, a ring, and a broken ring are swung through a large electromagnet. |
EM-k2b | Magnets and Eddy Tubes | Drop magnet and a non-magnetic dummy down an aluminum tube. |
EM-k2c | Magnet and Copper Tube | Drop magnet down a short length of straight copper tubing and watch it fall. |
EM-k2d | Jumping Rings | A solid conducting ring sitting on a vertical solenoid jumps and a split ring doesn't |
EM-k4b | DC Generator | Generate a DC current by rotating a loop with a split-ring connection in a magnetic field. |
EM-k4d | Hand-held DC Generator | Use the handheld generator to illuminate a bulb. |
EM-k4f | Hand-powered flashlight | The Dynamo--a hand powered flashlight |
EM-k2g | Induction Flashlight | This flashlight runs on induction-induced currents, a capacitor, and an LED lightbulb. |
EM-k1c | Loop rotating in magnetic field | A loop of wire is rotated in in the gap of a permanent magnet. |
EM-k3a | Transformer | Demonstrate step-up and step-down transformers. |
EM-k4a | AC Generator | Rotating a wire loop in a magnetic field generates an AC current in the loop. |
EM-j1b | Back EMF with light bulb | A light bulb in parallel with an inductor flashes when its power is disconnected. |
EM-j1a | Inductance Spark | A bright spark is produced when the switch of a large electromagnet is opened |
EM-J3a | non-driven LRC circuit oscillations | Show the oscillations (ringing) when a charged capacitor is connected in series to an inductor and small resistor. |
EM-j2a | Series RL circuit: L/R charge/discharge | "Charging" and "Discharging" of inductor shown with square wave and oscilloscope |
EM-n1b | Microwave Generation and Detection | Show the generation and detection of microwaves including polarization |
O-h1a | Polaroids on the Overhead | Show polarization with two or three sheets of polaroid on the overhead |
O-h1b | Microwave Polarizing Filter | Insert a grid of parallel wires (= cookie cooling rack) in a microwave beam and rotate the grid. |
O-h2b | Reflection off Water | Reflected light is shown to be polarized. |
O-h3a | Karo Syrup | Insert a beaker of liquid sugar between crossed polaroids. |
EM-h4c | AC and DC Lamps | A magnet is brought near two carbon filament bulbs, one DC powered and one AC powered. |
EM-L2d | RC Circuit -- Phase relations | Show the potential difference across the power supply, the resistor, and the capacitor as a function of frequency, resistance, or capacitance. |
EM-L2e | RL Circuit -- Phase relations | Show the potential difference across the power supply, the resistor, and the inductor as a function of frequency, resistance, or inductance. |
EM-L2a | 60 Hz LRC circuit | Shows the potential difference across the Capacitor and Inductor at resonance. |
EM-L2b | LRC circuit with function generator | Show the relative phases and amplitudes for the potential differences across the components of an driven LRC circuit. |
O-b4b | Blackbody Radiation - Infrared Camera | Examine objects in a dark room with an infrared camera |
O-b4a | Blackbody Radiation | Project the spectrum of an incandescent bulb as a function of temperature. |
MO-a1a | Photoelectric Effect in Zinc | A charged electroscope attached to a zinc plate discharges when UV light illuminates the zinc. |
MO-a5d | Vibrating Circular Wire | A circular wire driven by a function generator produces standing waves at resonant frequencies. |
MO-b1e | Quantum Dots - InP solution | Four vials of InP quantum dots of different diameter fluoresce with different colors under violet light |
MO-d3a | Diffusion Cloud Chamber | A diffusion cloud chamber shows the tracks from cosmic rays and from alpha, beta, gamma, and X-ray sources. |