| A+70+5 | Vector arrows of various sizes and colors fit in wooden bases. | 2019-09-03 |
| A+70+5 | Vector arrows of various sizes and colors fit in wooden bases. | 2019-09-05 |
| A+70+5 | Vector arrows of various sizes and colors fit in wooden bases. | 2019-09-10 |
| D+0+2 | Various capacitors to show. | 2019-09-26 |
| E+60+40 | Variable index of refraction: laser beam bends in water tank with sugar. | 2019-11-14 |
| D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2019-10-15 |
| B+25+0 | Transverse wave model, hand-cranked. | 2019-11-05 |
| E+50+0 | Total internal reflection: 45 deg-45 deg-90 deg prism using arc lamp. | 2019-11-12 |
| D+30+22 | Torque on coil suspended between two magnets. | 2019-10-24 |
| D+30+22 | Torque on coil suspended between two magnets. | 2019-10-17 |
| D+30+22 | Torque on coil suspended between two magnets. | 2019-10-22 |
| D+0+8 | Series capacitor array. | 2019-09-26 |
| F+20+5 | Rutherford scattering model: Steel balls, launcher, and "hill". | 2019-11-26 |
| D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2019-10-01 |
| E+60+10 | Rainbow: Refraction of white light by a liquid sphere. | 2019-11-12 |
| D+5+32 | Plexiglas model of electromagnetic wave. | 2019-10-31 |
| D+10+4 | Pith balls on thread, with positive and negative charged rods. | 2019-08-29 |
| D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2019-09-26 |
| D+0+10 | Parallel capacitors array: A charged capacitor charges the others. | 2019-09-26 |
| E+45+5 | Microwaves with grid. Transmitter and receiver are polarized. | 2019-11-12 |
| D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2019-10-17 |
| D+20+2 | LR time constant: Square wave drives series LR on oscilloscope. | 2019-10-29 |
| E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2019-11-19 |
| B+35+0 | Large wood model of a double slit with hinged waves. | 2019-11-19 |
| D+30+1 | Large compass needle on stand. | 2019-10-08 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2019-10-24 |
| D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2019-10-15 |
| D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2019-10-08 |
| E+55+0 | Inverse square law: Light bulb in wire frame. | 2019-11-05 |
| B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2019-11-14 |
| D+30+18 | Force on a current carrying wire in a magnetic field. | 2019-10-15 |
| D+15+35 | Equivalence of large and small loops around enclosed flux | 2019-10-24 |
| D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2019-10-01 |
| D+10+0 | Electric fields: Lines of force shown on an OHP. | 2019-09-03 |
| D+10+0 | Electric fields: Lines of force shown on an OHP. | 2019-09-05 |
| D+15+14 | Eddy currents: Copper disk rotates over a spinning bar magnet. | 2019-10-29 |
| D+75+0 | Demountable transformer with many secondary coils from 10:1 to 1:46. | 2019-10-29 |
| D+15+30 | Demonstration of dependence of number of coils on induced flux | 2019-10-24 |
| D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2019-10-29 |
| D+10+12 | Charge resides on the outside of a conductor. | 2019-09-12 |
| E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2019-11-12 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-11-12 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-11-14 |
| D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2019-10-22 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2019-08-29 |
| E+40+0 | Arc lamp and mirror on large disk rotate showing beam angles. | 2019-11-05 |
| D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-10-17 |
| D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2019-10-24 |
