| F+85+0 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2015-04-16 |
| F+95+0 | Working helium-neon laser in transparent housing. | 2015-04-16 |
| D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2015-03-03 |
| A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2015-02-05 |
| F+20+35 | Wall chart or online applet of the nuclides. | 2015-02-12 |
| F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2015-04-14 |
| F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2015-04-07 |
| E+65+30 | UV light causes mineral and fabric samples to fluoresce different colors. | 2015-04-02 |
| B+15+0 | Two large pendulums coupled with spring. | 2015-03-12 |
| A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2015-02-10 |
| A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2015-02-03 |
| A+20+5 | Tablecloth yanked out from under dishes. | 2015-02-03 |
| B+20+25 | Set of three coupled inverted pendulums on wood base. | 2015-03-12 |
| B+50+20 | Set of eight organ pipes to make a major scale. | 2015-03-12 |
| B+25+10 | Rubber rope stretched across front of room. | 2015-03-12 |
| B+25+10 | Rubber rope stretched across front of room. | 2015-03-10 |
| A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2015-02-10 |
| A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2015-02-05 |
| D+55+18 | Resistor analog: Marbles cascading down pin board. | 2015-02-26 |
| F+18+10 | Photomultiplier tubes to show. | 2015-04-16 |
| D+15+1 | Oscillating magnets in coupled coils | 2015-03-05 |
| F+80+0 | Mousetrap chain reaction experiment. | 2015-02-17 |
| A+50+10 | Monkey and the hunter. | 2015-02-05 |
| F+80+5 | Model of the uranium pile. | 2015-02-17 |
| A+30+20 | Maxwell's top, has adjustable center of gravity. | 2015-02-10 |
| D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2015-03-03 |
| C+70+32 | LN2 in a model cannon shoots a cork. | 2015-01-27 |
| C+60+5 | LN2 demos: pewter bell and spring, color change tube, LN2 cannon. | 2015-01-27 |
| D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2015-03-03 |
| D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2015-03-05 |
| E+25+15 | Laser beam through various slit and grating combinations. | 2015-04-14 |
| C+65+10 | Large transformer heats metal strip with chalk marks on it. | 2015-04-02 |
| D+75+4 | Large Tesla coil. 15 inch discharge. | 2015-01-22 |
| A+30+45 | Large gyroscope in a suitcase. | 2015-02-10 |
| D+30+1 | Large compass needle on stand. | 2015-03-03 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2015-03-05 |
| B+35+10 | Interference of sound waves from two speakers, same generator. | 2015-03-12 |
| B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2015-03-10 |
| C+20+15 | Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling. | 2015-01-27 |
| D+55+4 | High current melts the fuse wire. | 2015-03-03 |
| C+20+0 | Heat water in "O" shaped tube adding a dye. | 2015-01-29 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2015-01-22 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2015-01-27 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2015-03-05 |
| F+65+5 | Geiger counter. | 2015-02-12 |
| E+65+12 | FLIR T200 Infrared camera | 2015-04-09 |
| E+65+12 | FLIR T200 Infrared camera | 2015-04-02 |
| E+15+0 | First and second order transmission gratings, with arc lamp. | 2015-04-14 |
| C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2015-01-29 |
| D+10+13 | Faraday cage: blocks signal from portable radio | 2015-04-07 |
| C+22+0 | Engine models: Steam, 4-cycle Otto. | 2015-01-29 |
| D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2015-01-20 |
| D+45+2 | Elementary split-ring armature DC motor. D+15+6 as a motor. | 2015-01-20 |
| D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2015-02-26 |
| F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2015-04-14 |
| D+85+0 | Electrolysis of water produces hydrogen and oxygen. | 2015-01-22 |
| D+75+0 | Demountable transformer with many secondary coils from 10:1 to 1:46. | 2015-03-05 |
| D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2015-03-05 |
| C+20+5 | Crooke's radiometer with flashlight, arc lamp or IR source. | 2015-01-29 |
| D+80+0 | Copper nail and iron nail in a lemon using a multimeter. | 2015-02-26 |
| D+30+8 | Compass needle shows field around a high current wire on bench top. | 2015-03-03 |
| F+15+20 | Commercial solar cell spins propeller using halogen light source. | 2015-01-20 |
| F+15+20 | Commercial solar cell spins propeller using halogen light source. | 2015-04-16 |
| C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2015-01-27 |
| C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2015-01-29 |
| C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2015-02-03 |
| F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2015-02-12 |
| A+20+0 | Card snapped from under a weight by a leaf spring. | 2015-02-03 |
| C+55+15 | Brownian motion: Smoke particles viewed using TV camera. | 2015-01-27 |
| B+25+15 | Brass spring on white plastic sheet. | 2015-03-10 |
| F+5+15 | Bragg diffraction using microwaves and steel balls in foam cube. | 2015-04-14 |
| A+5+20 | Bowling ball pendulum swings back to nose. | 2015-01-20 |
| A+5+20 | Bowling ball pendulum swings back to nose. | 2015-01-22 |
| B+45+15 | Bell ringing in a jar evacuated with pump. | 2015-03-10 |
| B+35+20 | Beats with tuning forks on tuned cavities. | 2015-03-12 |
| B+20+30 | Beaker is broken by sound from speaker. | 2015-03-12 |
| D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2015-03-05 |
| A+35+17 | Ballistic pendulum: Suspended .22 rifle fires into suspended block. | 2015-02-05 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2015-02-26 |
| E+65+25 | As light bulb filament increases temp. its spectrum shifts red to blue. | 2015-04-02 |
| D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2015-03-05 |
| B+35+5 | Acoustic interference with Quincke (trombone) tube and sonalert. | 2015-03-12 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2015-04-07 |
| A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2015-02-05 |
