[DOC] [TLE] Potato Power - Activity - www.teachengineering.org [PAR] A potato battery utilizes copper and zinc electrodes, and the phosphoric acid of 
the ... 3 copper pennies (or copper strips), one per potato; 3 zinc nails (these are 
... (LED) clock (or LCD clock) requiring approximately 1.5 volts (or a small LED) ... 
them move to the copper, and you give the electrons a wire in which they can... [DOC] [TLE] Q & A: Fruit Batteries | Department of Physics | University of Illinois at ... [PAR] Since a lemon is the most sour of the three, it will make the best battery. ... The 
potato always produced more power than the lemon. ... I have found that these 
fruit produce electricity in this order from greatest to least ... I guess you're right 
that in an alkaline solution the simple zinc-copper battery could have the same 
reaction... [DOC] [TLE] Using fruits and vegetables to produce electricity - Finishing [PAR] The actual amount of electricity you will produce is very small and you will 
probably ... ends of these wires to the LED and put the copper and zinc into to 
potato. ... I am conducting a science experiment where I am conducting electricity 
with fruit. ... Then I inserted the zinc and copper into fruit (lemon, lime and orange) 
about 1... [DOC] [TLE] Science Notebook - Current Electricity 2 [PAR] Identifying the Terminals of a Cell or Battery Using a Potato ... You will first need 
to pull the eraser and metal holder from the pencil using a pair of pliers. ... One 
end of the pencil lead should be clipped to the bulb holder wire using foil and a 
.... 3 lemons; 3 small pieces of copper; 3 small pieces of zinc (You can use brass
... [DOC] [TLE] Experiments in Electrochemistry - Fun Science Gallery [PAR] These fun and simple experiments can teach the fundamental concepts of ... You 
can often purchase copper and zinc strips at a hobby retailer or hardware store. 
... This small current is due to the presence of H+ and OH- ions produced when a 
.... Insert the two metal strips deeply into the lemon, being careful that the strips... [DOC] [TLE] Potato Battery: How to Turn Produce into Veggie ... - Science Buddies [PAR] Potato battery science project: Investigate how to make batteries out of potatoes 
using zinc and copper electrodes, connect ... You might get some blank stares...
sounds a little boring and basic, right? Now tell them you will do it with a potato! 
Yes, you can actually use fruits and vegetables as part of an electric power 
source! [DOC] [TLE] Science Projects - Lemon Power - Energy Quest - California [PAR] 18-gauge copper wire (smaller gauge will work too, but 18-gauge is stiffer); Wire 
... find that a 2-inch strip of zinc works better); Sheet of coarse sandpaper; Lemon; 
Help ... clip and the wire into the lemon so they are as close together as you can 
get ... These are called electrodes, which are the parts of a battery where electric
... [DOC] [TLE] 3 Ways to Make a Potato Clock - wikiHow [PAR] You can use this battery to power a clock for a short time for a science project or 
just for fun. ... the potato conducts electricity, but keeps the zinc ions in the nail 
and the copper ... You can likely buy most of these items at your local hardware 
or hobby store, ... Insert one nail and one short piece of copper wire into each 
potato. [DOC] [TLE] How to Make a Lemon Battery Experiment | Education.com [PAR] Nov 18, 2013 ... For this science fair project, kids will learn how to make a lemon battery. ... Stick 
the paperclip, zinc covered nail or zinc strip into a spot in the lemon about 1/4 
inch away ... When you touched your tongue to just the copper wire, you most ... 
These types of batteries are made of two different metals, which act... [DOC] [TLE] Lemon Battery | Potato Battery | Science with Kids.com [PAR] Easy science experiment using a lemon and a potato as a battery. ... Lemon; 
Potato; Copper strip

Question: Science class: with a little wire & strips of copper & zinc, you can turn lemons or potatoes into these
Answer: batteries