Demo Name	Brief Description	Demo Notes	Demo #	Type of Item
Simple battery:  Gerber cell	Cu, Mg,CuSO4, Nasulfate.  This uses beakers and dialysis tubing to set up a working battery.	4 days preparation	54	Demonstration
Electrochemical energy in a flash, fruit batteries	various fruits and metals produce a current	2 days preparation	55	Demonstration
Electrical conductivity of liquids	Light bulb with H2O, acetic acid, K2CrO4.  A beaker is covered with a Petri plate lid containing the 2 copper electrodes.  The electrodes are immersed into assorted solutions to test whether they light a bulb, and how brightly.		56	Demonstration
Electrolysis of water; KI electrolysis	Drop a battery in salt water to see bubbles (assault and battery), or sodium sulfate Na2SO4 in a U-tube with 10 drops bromothymol blue 6.0-7.6 yellow to blue, wire and batteries to show one arm of tube is blue, one yellow		132	Demonstration