Purpose:

What fruit will produce the most electric voltage.

Hypothesis:

Lemon will produce the most electric voltage because lemon contains citric acid.

 

 

 

 

 

Materials:

  • Fruits
  • 2 metals (copper and zinc)
  • 2 wires
  • Voltmeter

Procedure:

1. Place 2 metals (copper zinc) into a fruit
2. Attach the wires to the metals
3. Connect to the voltmeter
4. Record the results
5. Repeat for the different kinds of fruit