A+12+5 | Weighted wood block dragged horizontally by force sensor. | 2023-09-11 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2023-08-28 |
C+25+40 | Water in vertical standpipe with holes at different heights. | 2023-11-08 |
C+30+68 | Vacuum Cannon | 2023-11-01 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2023-10-16 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2023-10-18 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2023-10-20 |
B+25+0 | Transverse wave model, hand-cranked. | 2023-11-20 |
B+25+30 | Torsional wave device, large or small. | 2023-11-27 |
B+10+2 | Torsion pendulum with removable weights. | 2023-11-13 |
B+10+2 | Torsion pendulum with removable weights. | 2023-11-15 |
A+65+10 | Torque wrench to demonstrate. | 2023-10-16 |
A+0+5 | Timed free fall: Ball drops 2 meters through electronic timing gate. | 2023-08-25 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2023-10-09 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2023-10-11 |
B+15+1 | Three large pendulums coupled with two springs. | 2023-12-01 |
A+50+10 | The Hunter | 2023-08-30 |
A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2023-09-20 |
A+20+5 | Tablecloth yanked out from under dishes. | 2023-09-01 |
B+25+20 | Suspended slinky on threads for compression wave. | 2023-11-20 |
A+60+55 | Stacking Blocks Extend Over Base | 2023-10-30 |
A+30+60 | Spinning Bicycle Wheel Stays Upright. | 2023-10-16 |
A+30+60 | Spinning Bicycle Wheel Stays Upright. | 2023-10-25 |
A+30+60 | Spinning Bicycle Wheel Stays Upright. | 2023-10-27 |
B+50+50 | Sonometer: Resonant chamber with bowed strings (2). | 2023-11-29 |
B+10+1 | Simple pendulum: Ball on a string. | 2023-11-13 |
B+10+1 | Simple pendulum: Ball on a string. | 2023-11-15 |
B+50+20 | Set of eight organ pipes to make a major scale. | 2023-12-01 |
B+50+20 | Set of eight organ pipes to make a major scale. | 2023-11-29 |
B+25+10 | Rubber rope stretched across front of room. | 2023-11-20 |
A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2023-10-23 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2023-10-06 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2023-10-09 |
A+0+57 | Rotating loop of chain rolls across bench. | 2023-09-15 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2023-10-23 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2023-10-25 |
B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2023-11-27 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2023-10-20 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2023-10-23 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2023-12-01 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2023-10-13 |
C+30+0 | Revolving 'drumhead' with manometer shows pressure in water tank. | 2023-11-03 |
A+35+25 | Plastic pucks on air table. | 2023-10-11 |
A+12+10 | Plank oscillates on oppositely rotating bicycle wheels. | 2023-11-17 |
B+10+10 | Physical pendulum: Steel bar with two pivot points. | 2023-11-15 |
C+35+0 | Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display. | 2023-09-29 |
B+10+0 | Mass on a spring. | 2023-08-23 |
B+10+0 | Mass on a spring. | 2023-11-13 |
C+30+5 | Magdeburg's hemispheres(cast iron) evacuated, can't be separated. | 2023-11-03 |
A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2023-10-18 |
A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2023-10-20 |
A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2023-10-04 |
B+25+5 | Longitudinal wave model, hand-cranked. | 2023-11-20 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2023-12-01 |
E+25+15 | Laser beam through various slit and grating combinations. | 2023-12-01 |
B+35+0 | Large wood model of a double slit with hinged waves. | 2023-11-27 |
A+30+45 | Large gyroscope in a suitcase. | 2023-10-25 |
A+30+45 | Large gyroscope in a suitcase. | 2023-10-27 |
B+10+20 | Large damped oscillator (mass on spring) with various damping disks. | 2023-11-17 |
A+30+25 | Large conical aluminum top. | 2023-10-30 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2023-12-01 |
A+60+30 | Irregular shapes to determine center of mass using plumb bob. | 2023-10-06 |
A+60+30 | Irregular shapes to determine center of mass using plumb bob. | 2023-10-09 |
B+35+10 | Interference of sound waves from two speakers, same generator. | 2023-11-29 |
B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2023-11-29 |
C+30+52 | Interconnected set of glass vases of different shapes. | 2023-11-03 |
C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2023-11-06 |
A+30+30 | Gyroscopes; various. | 2023-10-27 |
C+25+11 | Glass standpipes with a constriction. Similar to C+25+10. | 2023-11-08 |
A+14+10 | Force table: Forces on a car on an adjustable inclined plane. | 2023-09-08 |
A+14+5 | Force table: Forces on a car on a horizontal table. | 2023-09-06 |
B+20+20 | Film : "Tacoma Narrows bridge collapse",silent, 4 min. | 2023-11-17 |
A+5+10 | Equal path lengths ball race. | 2023-10-04 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2023-10-11 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2023-08-28 |
B+20+0 | Driven harmonic oscillator: Motor driven mass on spring. | 2023-11-17 |
A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2023-11-01 |
A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2023-08-23 |
C+25+16 | Compressed air through funnel sucks in ball. | 2023-11-08 |
C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2023-11-03 |
B+55+5 | Chladni's disc: Bowed disk forms patterns in sprinkled salt. | 2023-12-01 |
A+60+32 | Center of gravity (toy) objects. | 2023-10-30 |
A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2023-10-13 |
A+60+20 | Car hangs balanced by forces in mid-air over removable inclined plane. | 2023-10-30 |
A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2023-10-04 |
A+5+20 | Bowling ball pendulum swings back to nose. | 2023-10-02 |
A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2023-09-06 |
A+80+40 | Block and tackle: Bosun's chair. | 2023-09-11 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2023-11-29 |
B+35+20 | Beats with tuning forks on tuned cavities. | 2023-11-29 |
B+20+30 | Beaker is broken by sound from speaker. | 2023-11-27 |
A+0+52 | Banked turns: slot car around an oval track | 2023-09-13 |
A+0+52 | Banked turns: slot car around an oval track | 2023-09-15 |
A+35+0 | Balls of equal and unequal mass on strings, separated by a leaf spring. | 2023-10-13 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2023-08-30 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2023-09-01 |
A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2023-10-02 |
A+0+10 | Atwood machine: Unbalanced weights on a pulley accelerate slowly. | 2023-09-08 |
A+0+10 | Atwood machine: Unbalanced weights on a pulley accelerate slowly. | 2023-09-11 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2023-09-20 |
C+30+15 | Archimedes' principle: Cup and plug on balance beam. | 2023-11-06 |
B+35+5 | Acoustic interference with Quincke (trombone) tube and sonalert. | 2023-11-29 |
A+0+35 | A ball swung on a string held by a sleeve. | 2023-09-13 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2023-08-25 |