| B+50+35 | Xylophone. | 2021-04-22 |
| C+30+55 | Working model of the lung: Balloons in a bell jar over a diaphragm. | 2021-04-06 |
| B+15+5 | Wilberforce pendulum: Oscillates between rotation and up-down. | 2021-01-15 |
| B+15+5 | Wilberforce pendulum: Oscillates between rotation and up-down. | 2021-04-27 |
| A+12+5 | Weighted wood block dragged horizontally by force sensor. | 2021-02-04 |
| A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2021-01-21 |
| C+25+40 | Water in vertical standpipe with holes at different heights. | 2021-04-08 |
| C+25+35 | Video camera shows fluid flow around various objects. | 2021-04-08 |
| C+25+20 | Venturi meter: Manometer tubes on tapered wind tunnel tube. | 2021-04-27 |
| C+25+30 | Two roof models, hinged, placed in wind stream. | 2021-04-08 |
| A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2021-03-11 |
| A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2021-03-16 |
| B+25+0 | Transverse wave model, hand-cranked. | 2021-04-20 |
| B+25+30 | Torsional wave device, large or small. | 2021-04-20 |
| B+10+2 | Torsion pendulum with removable weights. | 2021-04-13 |
| B+10+2 | Torsion pendulum with removable weights. | 2021-04-15 |
| A+65+10 | Torque wrench to demonstrate. | 2021-03-18 |
| A+0+5 | Timed free fall: Ball drops 2 meters through electronic timing gate. | 2021-01-19 |
| A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2021-03-04 |
| B+15+1 | Three large pendulums coupled with two springs. | 2021-04-27 |
| A+5+5 | The Trebuchet | 2021-02-23 |
| A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2021-02-11 |
| A+30+60 | Spinning Bicycle Wheel Stays Upright. | 2021-03-11 |
| B+50+50 | Sonometer: Resonant chamber with bowed strings (2). | 2021-04-22 |
| B+10+1 | Simple pendulum: Ball on a string. | 2021-04-13 |
| B+10+1 | Simple pendulum: Ball on a string. | 2021-04-15 |
| B+50+30 | Set of ten suspended metal rods struck with a wooden mallet. | 2021-04-27 |
| B+50+20 | Set of eight organ pipes to make a major scale. | 2021-04-22 |
| B+25+10 | Rubber rope stretched across front of room. | 2021-04-20 |
| A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2021-03-18 |
| A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2021-03-30 |
| A+60+37 | Rotation about the center of mass: Object to throw. | 2021-03-04 |
| A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2021-03-30 |
| B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2021-04-22 |
| A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2021-03-18 |
| A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2021-04-27 |
| A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2021-03-11 |
| C+30+0 | Revolving 'drumhead' with manometer shows pressure in water tank. | 2021-04-08 |
| C+30+0 | Revolving 'drumhead' with manometer shows pressure in water tank. | 2021-04-06 |
| A+35+25 | Plastic pucks on air table. | 2021-03-09 |
| A+12+10 | Plank oscillates on oppositely rotating bicycle wheels. | 2021-04-27 |
| A+50+10 | Monkey and the hunter. | 2021-01-26 |
| B+10+0 | Mass on a spring. | 2021-04-13 |
| B+10+0 | Mass on a spring. | 2021-04-15 |
| C+30+5 | Magdeburg's hemispheres(cast iron) evacuated, can't be separated. | 2021-04-06 |
| A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2021-02-25 |
| A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2021-03-16 |
| A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2021-02-23 |
| B+25+5 | Longitudinal wave model, hand-cranked. | 2021-04-20 |
| D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2021-04-27 |
| B+35+0 | Large wood model of a double slit with hinged waves. | 2021-04-22 |
| B+55+10 | Large glass bowl with ping pong balls and violin bow. | 2021-04-22 |
| B+10+20 | Large damped oscillator (mass on spring) with various damping disks. | 2021-04-15 |
| A+30+25 | Large conical aluminum top. | 2021-03-30 |
| A+30+25 | Large conical aluminum top. | 2021-04-01 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2021-04-27 |
| A+60+30 | Irregular shapes to determine center of mass using plumb bob. | 2021-03-04 |
| B+10+75 | Inverted pendulum. | 2021-04-27 |
| C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2021-04-06 |
| A+30+30 | Gyroscopes; various. | 2021-04-01 |
| C+25+11 | Glass standpipes with a constriction. Similar to C+25+10. | 2021-04-08 |
| B+20+20 | Film : "Tacoma Narrows bridge collapse",silent, 4 min. | 2021-04-20 |
| A+35+5 | Elastic collisions: Seven steel balls roll on a wooden track. | 2021-03-04 |
| A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2021-03-04 |
| A+50+0 | Dropped and shot balls hit bench simultaneously. | 2021-01-21 |
| B+20+0 | Driven harmonic oscillator: Motor driven mass on spring. | 2021-04-15 |
| A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2021-03-04 |
| A+55+10 | Cycloid disk draws path on chalkboard. | 2021-02-25 |
| A+55+10 | Cycloid disk draws path on chalkboard. | 2021-02-23 |
| C+25+16 | Compressed air through funnel sucks in ball. | 2021-04-08 |
| C+25+17 | Compressed air attracts card with pin to holder. | 2021-04-08 |
| C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2021-04-06 |
| B+55+5 | Chladni's disc: Bowed disk forms patterns in sprinkled salt. | 2021-04-27 |
| A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2021-03-11 |
| A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2021-02-23 |
| A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2021-02-25 |
| A+5+20 | Bowling ball pendulum swings back to nose. | 2021-02-23 |
| A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2021-03-11 |
| A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2021-01-28 |
| A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2021-02-04 |
| A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2021-02-18 |
| A+80+40 | Block and tackle: Bosun's chair. | 2021-02-02 |
| A+80+30 | Block and tackle. | 2021-02-02 |
| B+35+20 | Beats with tuning forks on tuned cavities. | 2021-04-22 |
| B+20+30 | Beaker is broken by sound from speaker. | 2021-04-27 |
| A+35+0 | Balls of equal and unequal mass on strings, separated by a leaf spring. | 2021-03-09 |
| A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2021-01-21 |
| A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2021-02-23 |
| A+0+10 | Atwood machine: Unbalanced weights on a pulley accelerate slowly. | 2021-01-28 |
| A+0+10 | Atwood machine: Unbalanced weights on a pulley accelerate slowly. | 2021-02-02 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2021-02-11 |
| C+30+15 | Archimedes' principle: Cup and plug on balance beam. | 2021-04-06 |
| A+60+40 | Anatomical models: Skull, Arm, Leg | 2021-04-01 |
| C+25+50 | A water vortex in two soda bottles joined vertically. | 2021-01-15 |
| A+0+15 | A falling weight accelerates a car horizontally. | 2021-01-28 |
| A+0+15 | A falling weight accelerates a car horizontally. | 2021-02-02 |
| A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2021-01-15 |
| A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2021-01-19 |
