Currents from the kitchen

Purpose:

Which fruit will create the most electric voltage?Image result for potato electricity

Hypothesis:

A potato will create the most electric voltage.

Materials:

  • fruit
  • voltmeter
  • 2 wires
  • 2 different metals (copper, zinc)
  • knife

Procedure:

  1. Cut the piece of fruit
  2. Put in 2 pieces of metal
  3. Attach to the voltmeter
  4. record the results
  5. compare results from several pieces of fruit