Potato vi. Lemon Energy
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Table of Contents
❖ Cover page
❖ Title page
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❖ Table of Contents
❖ Introduction of Topic
❖ Testable question
+Hypothesis
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❖ History and Research
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❖ Materials
❖ Procedure
❖ Observations and data
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❖ Explain your findings
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❖ What we learned
❖ Unexpected results
❖ What would we change
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+ Bibliography
❖ About the Authors
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TOPIC
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Which of the 2 sources of power
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The 2 sources of power
are potato and lemon
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2 wires to one of these
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Testable Question
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Which would have the most
energy as a power source
Apotato or a lemon?
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believe that the
potato will have the longest
battery because the lemon
will short out the circuits
with the juice because of
this z think the potato will
power the most.
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also believe that a
potato will power an
electronic the longest
because a lemon will get the
wire malfunction.
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THE HISTORY OF ELECTRIC ENERGY
Electric energy like the potato and lemon
have been in the world since the very beginning of the
.world. It wasn't when Ben Franklin had a kite in a
thunderstorm. Or when TVs where invented. The
lightning has always carried electricity. Lightning is a
simple flow of clouds and the ground in the form of static
electricity. That is why when you touch your head against
a television your hair is a basic magnet.
The first discovery of electric energy was in ancient
Greece times. They discovered that when you rub amber
up against a rock light objects stuck to it. It is static
electricity.
By 1920 cities were competing electric in companies.
Electricity was being used in the 18t h century. For the next
150 years scientists all over the world were studying
electricity. Now Imagine 1920. Now imagine today. If
these scientists didn't study lightning and electric energy,
we wouldn't have any TVs, Video games. Or even
lawnmowers.
Static and electric energy are basically the same. Ben
Franklin discovered this when he was lying a kite in the
thunder storm during his time in the 1800s.an experiment
you can do to find static is put your hair up against a
television about a couple centimeters away and your hair
will be a magnet
Well this is the history of electric energy for the lemon
and potato power. Hopefully this gave a piece of mind to
stick with.
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Potato V.S Lemon Energy
RJ and (Trystan) yCan on researching the
history of the two yower sources. For
exam.* how long has this been tested7 .516•0
we are going to research how it works—do
you need to touch the copper wire and steel
nail together? 516.o, we really need to
research what volt reader you need:
yinady, we need to research if the lemon
andyotato need to be ripe or baked
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History and Research
I have researched that you need to insert them
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into the same side next to each other. Also, I
have found out that you need to keep the zinc
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and nail close but not touching. You don't even
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need a certain voltmeter, you can use ANY!!!
Finally the lemon/potato can be ripe, raw, or
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baked.
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Also the research says that the lemon produces
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energy. That is not what our hypothesis
predicts. I also found out that the potato will
produce more energy than a lemon, according
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to most experiments. These two sources of
energy can even power a light bulb!
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Materials used
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• Voltmeter can work best to show the
effect of the power
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• 1 potato and lemon
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• 3 to 4 in. copper wire with the insulation
removed (pennies also work)
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• Steel nail #8 works
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• 1 zinc plated nail #8 works
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• Small piece of sand paper
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• Knife or a wire plier to remove
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insulation
• Voltmeter that can get tenths of volts
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Yhe(potato anchkmon joowers work . the same:
1.
ou neeito insert the cojljger wire and-steel nail in
ae sicres after you sane down tIIe ticps. Make sure
you (fon t touch - them; insert them aEout 1 inch'
2. Turn ae voltmeter to ebt volts.
Ifty 7 4o you
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can see h-ow muck' volts each- power source bias.
Touch' jtke voltmeter to tie nail ancrwire and-see h-o-w
many volts are5iven off
roilow the same,rocecCure for the copper wire and'
zinc nail
roffow the samecprocecCure for the ,steef nail and-zinc
nail
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Copper-Steel
Lemon Energy
Copper-Zinc
Steel-Zinc
*Measured in DC Volts
It turns out that the lemon didn't short out the electricity in the voltmeter. The voltmeter took a long
time to settle on a number. The copper and zinc gave the highest reading in the lemon. The juice in the
lemon was able to conduct electricity. If the lemon wins over the potato I will be surprised. The only way
possible of this happening is if the potato gives off more volts.
OBSERVATIONS AND DATA
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Findings
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• Both the potato and the lemon were sources of
power. The lemon did not short out the
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voltmeter as we thought it would.
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• The different metal items inserted into the
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lemon gave off different voltages on the
voltmeter. The copper wire/zinc nail
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combination gave the highest reading.
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What we learned
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• Both the potato and the lemon were sources of
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power. The lemon juice did not make the
voltmeter malfunction. We expected the potato
would have higher volts after all.
• The different metal items will make different
voltage readings in different combinations. This
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means some are better conductors of energy,
and might be different when used with one
another.
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Strange/Unexpected Results
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• Both the potato and the lemon were sources of
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power. We expected the lemon juice to short
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out the voltmeter.
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• The galvanized nail did not produce a reading
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on the voltmeter. We may have had a different
kind of metal than we needed.
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What we would change
• I would massage the lemon next time to get the
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juices loose.
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• I would bake the lemon to see if that increased
the voltage.
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Bibliography
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• http://www.how-things -work-sciencecom/potato-batterg.html
project.
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• http://sciencewithkids.com/experiments/en
ergy-electricity-experiments/electricityfrom-fruit-and-regetable.html
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• vijaysaagiexperimentsandresults.blogspot.c
om/2012/ 12/lemonbattery.html
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• wikianswers.c.n/Q/what-were-results-ol-the-
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lemon-battery-experiment
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•
prezi.cominuujIvidibp/lemon-vs-potato
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oroncommomg co
mienee/ lemon-bottery
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• enow ikiboolu. org/w iki/school-
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