Create+a+battry+out+of+vgetables,+mud,+water+and+coins

There is a range of home Science kits available from "Green Science." They are relatively cheap at 12.50 and have many activities. I recommend the Enviro Battery, [|http://www.woodenheart.ie/vmchk/Green-Science/Enviro-Battery.htm]

Basically it teaches students how to power various things, such as a music chip or a light from vegetables, fruits, mud and water. It also  Includes experiment guide for making a coin battery, fork battery, potato buzz wiregame, and more. And best of all, everything is included. I have watched students be really amazed while using this product, and really learn how acid is a battery