D+10+20 | Van de Graaff generator. | 2020-02-13 |
C+80+2 | Freezing liquid Nitrogen. | 2020-01-30 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2020-02-04 |
C+22+0 | Engine models: Steam, 4-cycle Otto. | 2020-02-06 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2020-02-13 |
C+45+0 | Computer demo: Heat of fusion of tin. | 2020-01-30 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2020-02-04 |
D+10+12 | Charge resides on the outside of a conductor. | 2020-02-27 |
D+10+8 | Braun and Leaf electroscopes. | 2020-02-13 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2020-01-30 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2020-02-13 |