Purpose: discover the fruit that have the greater electric charge;
Hypothesis: when we do it, the best fruit will be the banana;
Materials:3 different types of fruits, Voltmeter, 2 wires, 2 different metals [Copper/zine] and a knife;
.Cut the piece of fruit;
.Put in two pieces of metal;
.Attach to the voltmeter;
.Record the results;
.Compare results from several pieces of fruits.