Letter 17592

Pennies [Arizona] 

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Can you help me form a hypothesis with apple, orange, and grape juice cleaning pennies?

Kaelly
- Tucson, AZ, The U.S.

Sure, Kaelly. A hypothesis is an assumption that you wish to demonstrate or disprove by experiment. So, between what you already know about apple juice, orange juice, grape juice, and pennies; and your intuition and gut feelings, give us a statement that you think is probably true, but do not know for sure if it's true, and which you think should be provable or disprovable by an experiement which you can do. Voila, you have formed an hypothesis.

So what do you think is probably true, but you do not know for sure if it's true, and you think you can prove or disprove by experiment?

 
Ted Mooney, P.E.
finishing.com Inc. - Brick, NJ

Ed. note: Sorry, but for every metal finisher in the world there are a thousand students, and we are drowning under variations on this question which we've answered hundreds of times already. It's time for the students to read our F.A.Q. on the subject rather than to keep asking us to answer the question for them individually