| F+95+0 | Working helium-neon laser in transparent housing. | 2019-12-05 |
| A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2019-08-29 |
| D+0+2 | Various capacitors to show. | 2019-11-05 |
| E+45+0 | Two picket fence sections with slats and rope to make waves. | 2019-11-21 |
| F+30+0 | Tunneling:Microwave analogy using wax prisms. | 2019-12-05 |
| B+25+1 | Transverse 3-dimensional wave model, hand-cranked. | 2019-11-19 |
| D+10+2 | Transparency: Mapping of an electric field. | 2019-10-31 |
| E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2019-11-26 |
| A+5+5 | The Trebuchet | 2019-09-03 |
| A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2019-10-01 |
| A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2019-09-26 |
| A+20+5 | Tablecloth yanked out from under dishes. | 2019-09-26 |
| A+0+47 | Swing water in a bucket. | 2019-10-01 |
| C+70+30 | Steam gun: Friction heated water in tube shoots a cork. | 2019-09-19 |
| E+25+40 | Soap film interference: The soap bubble experiment on arc bench. | 2019-11-26 |
| E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2019-11-21 |
| A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2019-10-03 |
| A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2019-10-03 |
| A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2019-09-03 |
| A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2019-09-26 |
| D+55+18 | Resistor analog: Marbles cascading down pin board. | 2019-11-05 |
| E+50+20 | Refraction of white light by prism using arc lamp. | 2019-11-26 |
| D+60+4 | Photoelectric effect: Light on P-N junction causes current flow. | 2019-09-05 |
| E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2019-11-21 |
| D+60+0 | P-N Junction as a rectifier: Current flows one way. | 2019-09-05 |
| D+55+12 | Oscillator with resistor, capacitor and neon lamp. | 2019-11-05 |
| F+80+0 | Mousetrap chain reaction experiment. | 2019-10-17 |
| A+50+10 | Monkey and the hunter. | 2019-08-29 |
| F+80+5 | Model of the uranium pile. | 2019-10-17 |
| F+20+10 | Model of the nucleus: Steel balls in plastic dish on OHP. | 2019-10-10 |
| F+20+10 | Model of the nucleus: Steel balls in plastic dish on OHP. | 2019-10-15 |
| F+20+20 | Mechanical models of the hydrogen atom. | 2019-10-10 |
| F+20+20 | Mechanical models of the hydrogen atom. | 2019-10-15 |
| F+65+10 | Mechanical model of radioactive decay. | 2019-10-17 |
| C+10+5 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2019-09-10 |
| C+55+10 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2019-09-10 |
| C+55+10 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2019-09-12 |
| C+55+0 | Mechanical model of a gas: Vibrating balls on OHP. | 2019-09-10 |
| C+75+0 | Measurement of temperature: Various types of thermometers. | 2019-09-12 |
| D+35+16 | Mass driver: One of these balls is not like the other | 2019-11-12 |
| D+15+45 | Magnet inserted and withdrawn from copper ring causes ring to swing | 2019-11-12 |
| D+15+45 | Magnet inserted and withdrawn from copper ring causes ring to swing | 2019-11-07 |
| B+25+5 | Longitudinal wave model, hand-cranked. | 2019-11-19 |
| C+70+32 | LN2 in a model cannon shoots a cork. | 2019-09-19 |
| C+65+2 | Light the Match. | 2019-09-17 |
| C+65+2 | Light the Match. | 2019-09-19 |
| E+60+15 | Light pipes and fiber optic flashlight. | 2019-11-26 |
| E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2019-11-21 |
| E+25+0 | Large wood model of a double slit with hinged waves. | 2019-11-21 |
| B+55+25 | Kundt's tube: Powder in tube shows standing waves. | 2019-11-19 |
| D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2019-11-07 |
| D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2019-11-07 |
| B+35+10 | Interference of sound waves from two speakers, same generator. | 2019-11-19 |
| C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2019-09-17 |
| C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2019-09-12 |
| B+45+42 | Hoot Tube | 2019-11-19 |
| D+55+4 | High current melts the fuse wire. | 2019-10-31 |
| F+65+5 | Geiger counter. | 2019-10-10 |
| F+65+5 | Geiger counter. | 2019-10-15 |
| C+55+60 | Equipartition of Energy: Different mass balls bounce out at different times. | 2019-09-10 |
| C+22+0 | Engine models: Steam, 4-cycle Otto. | 2019-09-17 |
| D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2019-10-31 |
| A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2019-09-03 |
| A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2019-10-03 |
| D+15+26 | Eddy currents:Small magnet slowly drops between aluminum rails. | 2019-11-07 |
| E+10+15 | Diffraction about pinhead, razorblade, wood screw using laser. | 2019-11-26 |
| D+75+0 | Demountable transformer with many secondary coils from 10:1 to 1:46. | 2019-11-07 |
| D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2019-11-12 |
| D+35+20 | Curie temperature | 2019-11-12 |
| C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2019-09-17 |
| D+60+8 | Commercial solar cell spins propeller using small arc lamp. | 2019-09-05 |
| F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2019-10-10 |
| F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2019-10-15 |
| D+10+14 | Charging an electroscope by induction. | 2019-10-31 |
| C+10+0 | Carnot cycle models: Piston/cylinder, PVT surface. | 2019-09-12 |
| A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2019-09-26 |
| D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2019-11-05 |
| A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2019-09-03 |
| C+70+75 | Boyle's Law: At constant T, Pressure times Volume is a constant. | 2019-09-12 |
| D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2019-11-05 |
| A+0+52 | Banked turns: slot car around an oval track | 2019-10-01 |
| A+0+52 | Banked turns: slot car around an oval track | 2019-10-03 |
| C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2019-09-17 |
| C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2019-09-19 |
| F+20+60 | Applet: Atoms and Spectra | 2019-12-05 |
| D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-11-12 |
| A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2019-10-01 |
