CLEANER OF THE PENNIES
A Scientific Investigation
Conducted by Danithza
1- problem statement
what kind of juice cleans pennies best-orange
juice or apple juice?
2- hipothesis
I think that the orange juice will clean the
pennies the best,
3- bibliography
the new columbia Encyclopedia ,
magazines Internet books
4- background
the orange juice work better than a apple
juice because the orange juice clean better
the pennies.
5- Abtract
the purpose of the experiment was to
find out which juice cleans pennies best -
orange juice or apple juice , what i did
for the experiment is i took 2 plastic cups
and filled one with orange juice and the
other with apple juice , then i got 4
pennies and put 2 pennies each cup of
juice . i left then in the juice for 2 hours
and then took then out , my results were
that the orange juice cleans pennies
better than apple juice.
6- Independent variable
apple juice and orange juice
7- Dependent variable
pennies
8- materials
A- 4 dirty pennies
B- orange juice
C- apple juice
D- roll of film
E- camera
F- 2 plastic cups
G- paper
H- construction paper
9- procedure
A- first I filled up one plastic cup with
orange juice and the other with mott’s
apple juice
B- I put two pennies in the orange
juice and two pennies in the apple
juice and left them for two hours
C- after two hours I took the pennies
out of the cups and wiped them
with a paper towel.
D- record data.
10- results
My results are that orange juice cle-
ans pennies better than apple juice
11- conclusions
My conclusions are that orange jui-
ce cleans pennies better than apple
juice. my hipothesis was right. the
orange juice probably cleaned the
pennies better because it has potas-
sium and apple juice dosn’t .
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