Lemon Batteries

 Aim: To produce an electrical current using Lemons.

Material:

• Lemon
• Copper electrode
• Zinc electrode
• Copper wire
• Voltmeter

Steps:

1. Roll lemon to soften the inside. 
2. Insert the copper at a reasonable depth in the lemon.
3. Insert the zinc electrode, nail, piece in the lemon, similar to the copper.
4. Connect the voltmeter to the wires.
5. Connect the wires to the copper and zinc plates, nails, wire, onto the voltmeter.

Findings: 

1 lemon = 1v

2 lemon = 1.8v

3 lemon = 2v

Volt changes, when the arrangement of the placement where the copper and zinc is put in.