stemnotesICS17VeleG

Triboelectric Series.

 * **Positive (+)**
 * Human hands
 * Glass
 * Human hair
 * Nylon
 * Wool
 * Fur
 * Lead
 * Silk
 * Paper
 * Cotton
 * Steel
 * **Neutral (0)**
 * Wood
 * Hard rubber
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Nickel, copper
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Brass, silver
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Gold, platinum
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Polyester
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Plastic wrap
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Polyurethane
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Polyethylene (like clear tape)
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Polypropylene
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Silicon
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">Teflon
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">**Negative (-)**

<span style="background-color: #ffffff; color: #501074; font-family: Arial,Helvetica,Verdana,sans-serif; font-size: 16px;">Questions

 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">What common household materials are available that are far apart on the triboelectric series?
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">What combination of materials would you expect to create the greatest separation of charge when rubbed together?
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">How does distance affect the strength of the electric field?
 * <span style="background-color: #ffffff; color: #333333; font-family: Arial,Helvetica,Verdana,sans-serif;">In your own words, explain how the field-effect transistor compares to a water faucet.