Purpose: which fruit will produce the most voltage

Hypothesis: I think that the lemon will produce the most energy

Materials

-Voltmeter

-2 wires-

– nail (zinc coating )

– copper string

– Galvanized nail

– piece of copper

-At least 3 fruits (vegetables)

procedure:

set up voltmeter

put copper in fruit and nail in fruit

Connect them to voltmeter

look for valtage

Reasoning: I think that the lemon will create the greatest voltage because it has the most citrus

Results:

Plum : .3

Orange : .3

apple: .3

lemon: .45

plum, lemon, apple: .7