Polymer Clay Charm Lesson: Keychain Tutorial PART 1

A pencil lead and some batteries make a small plasma cutter that we use to etch a pattern in aluminium foil. Parts Needed: 4 9V battery, 2 clip leads, 1 5mm pencil lead, aluminum foil, box or tub, rubber band

This video demonstrates how to build onto a masking tape cast of a shoe (which is shown is Part 1 of this series). After building on form, instructions for how to add on a paper mache layer are discussed.



The lesson was...

Open vs. closed circuits are demonstrated. Conductors and insulators are shown in circuits. Resistivity is defined and the equation is analyzed. Resistivities of common materials are shown. Semiconductors are discussed. The temperature...