| E+25+40 | Soap film interference: The soap bubble experiment on arc bench. | 2021-12-03 |
| E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2021-12-03 |
| E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2021-11-22 |
| E+30+15 | Real images: Lighted arrow image and various lenses. | 2021-11-29 |
| E+30+15 | Real images: Lighted arrow image and various lenses. | 2021-11-22 |
| D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2021-11-05 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2021-11-05 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2021-11-01 |
| D+30+18 | Force on a current carrying wire in a magnetic field. | 2021-10-08 |
| D+10+13 | Faraday cage: blocks signal from portable radio | 2021-09-24 |
| D+15+2 | Elementary generator: Bar moved in magnetic field. | 2021-10-13 |
| D+15+2 | Elementary generator: Bar moved in magnetic field. | 2021-11-02 |
| D+15+2 | Elementary generator: Bar moved in magnetic field. | 2021-11-05 |
| D+15+2 | Elementary generator: Bar moved in magnetic field. | 2021-11-01 |
| D+10+0 | Electric fields: Lines of force shown on an OHP. | 2021-09-01 |
| D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2021-11-05 |
| D+10+12 | Charge resides on the outside of a conductor. | 2021-09-24 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2021-11-29 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2021-11-22 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2021-08-25 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2021-12-03 |
