In this experiment students test the conductivity of a variety of beverages to see which ones contain a higher concentration of electrolytes, or salts. This experiment appears in the section The Body Electric.
- 6-volt battery
- two 8-inch pieces of coated wire (18-22 gauge) with ends stripped
- wire cutters
- electrical tape
- one jumbo super-bright LED (light-emitting diode) bulb
- at least three beverages to test
- paper cups, one for each beverage