| D+35+14 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2021-11-04 |
| A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2021-08-26 |
| B+25+0 | Transverse wave model, hand-cranked. | 2021-11-16 |
| B+25+1 | Transverse 3-dimensional wave model, hand-cranked. | 2021-11-16 |
| E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2021-11-18 |
| A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2021-09-28 |
| A+5+5 | The Trebuchet | 2021-08-31 |
| A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2021-09-16 |
| A+20+5 | Tablecloth yanked out from under dishes. | 2021-09-16 |
| E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2021-11-23 |
| D+75+1 | Same as above: Secondary used for spot-welding. | 2021-11-04 |
| D+75+3 | Same as above: Secondary used for small Jacob's ladder. | 2021-11-02 |
| A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2021-09-23 |
| A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2021-09-23 |
| A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2021-09-23 |
| A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2021-09-28 |
| A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2021-09-30 |
| D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2021-11-02 |
| A+5+22 | Potential energy of spring imparted to ball on ramp | 2021-09-02 |
| D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2021-10-26 |
| D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2021-10-28 |
| D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2021-11-02 |
| E+5+10 | Newton's color disk: When rotated,appears white. | 2021-11-23 |
| F+80+0 | Mousetrap chain reaction experiment. | 2021-09-30 |
| F+80+0 | Mousetrap chain reaction experiment. | 2021-10-07 |
| A+50+10 | Monkey and the hunter. | 2021-08-26 |
| F+80+5 | Model of the uranium pile. | 2021-09-30 |
| F+80+5 | Model of the uranium pile. | 2021-10-07 |
| E+25+10 | Microwave interference with single and double slits. | 2021-11-18 |
| F+65+10 | Mechanical model of radioactive decay. | 2021-09-30 |
| C+55+10 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2021-09-07 |
| A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2021-09-21 |
| B+25+5 | Longitudinal wave model, hand-cranked. | 2021-11-16 |
| C+65+2 | Light the Match. | 2021-09-07 |
| C+65+2 | Light the Match. | 2021-09-09 |
| E+40+42 | Light the Match (same as C+65+2). | 2021-11-23 |
| B+35+0 | Large wood model of a double slit with hinged waves. | 2021-11-16 |
| A+30+45 | Large gyroscope in a suitcase. | 2021-09-28 |
| D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2021-11-04 |
| A+35+18 | Inelastic collisions: Another ballistic pendulum. | 2021-09-02 |
| C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2021-09-07 |
| D+55+4 | High current melts the fuse wire. | 2021-11-02 |
| D+55+4 | High current melts the fuse wire. | 2021-11-04 |
| C+20+0 | Heat water in "O" shaped tube adding a dye. | 2021-09-07 |
| C+20+0 | Heat water in "O" shaped tube adding a dye. | 2021-09-09 |
| F+65+5 | Geiger counter. | 2021-09-30 |
| A+14+10 | Force table: Forces on a car on an adjustable inclined plane. | 2021-09-21 |
| D+30+18 | Force on a current carrying wire in a magnetic field. | 2021-11-18 |
| C+65+25 | FLIR T200 Infrared camera | 2021-09-07 |
| C+65+25 | FLIR T200 Infrared camera | 2021-09-09 |
| A+30+55 | Falling coffee cup is arrested by friction | 2021-09-23 |
| D+10+28 | Electrostatic doorbell: Ball bangs between charged plates. | 2021-11-02 |
| A+37+11 | Electric winch tows car at constant speed, then constant acceleration. | 2021-09-28 |
| D+10+0 | Electric fields: Lines of force shown on an OHP. | 2021-10-07 |
| D+10+0 | Electric fields: Lines of force shown on an OHP. | 2021-10-26 |
| D+10+0 | Electric fields: Lines of force shown on an OHP. | 2021-10-28 |
| A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2021-08-31 |
| A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2021-09-02 |
| E+10+15 | Diffraction about pinhead, razorblade, wood screw using laser. | 2021-11-23 |
| C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2021-09-09 |
| C+45+0 | Computer demo: Heat of fusion of tin. | 2021-09-14 |
| D+30+8 | Compass needle shows field around a high current wire on bench top. | 2021-11-18 |
| F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2021-09-30 |
| B+55+5 | Chladni's disc: Bowed disk forms patterns in sprinkled salt. | 2021-11-18 |
| A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2021-09-23 |
| D+10+8 | Braun and Leaf electroscopes. | 2021-10-26 |
| D+10+8 | Braun and Leaf electroscopes. | 2021-10-28 |
| A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2021-08-31 |
| A+5+20 | Bowling ball pendulum swings back to nose. | 2021-08-31 |
| A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2021-09-30 |
| A+0+52 | Banked turns: slot car around an oval track | 2021-09-14 |
| A+0+52 | Banked turns: slot car around an oval track | 2021-09-16 |
| A+0+52 | Banked turns: slot car around an oval track | 2021-09-21 |
| C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2021-09-14 |
| C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2021-09-16 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2021-10-26 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2021-10-28 |
| A+0+15 | A falling weight accelerates a car horizontally. | 2021-09-21 |
| A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2021-09-14 |
| A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2021-09-16 |
