science fair

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Pre-written Papers:

Title: science fair

Essay Details:

Subject: Miscellaneous

Author: Rosalie T

Date: April 5, 2014

Level: University

Grade: A

Length: 5 / 1363

Essay text:

Current is used to measure how many electrons flow through the cell and amp is the basic unit for current. There are lots of important parts for regular batteries. They are the positive terminal and electrode, the negative terminal and electrode, and the electrolyte which is located between the two electrodes. The positive electrode is made out of a carbon rod. Powdered carbon and manganese oxide prevents hydrogen from forming on the carbon rod, which would stop the cell from working normally. For the negative electrode, Zinc is used, which serves, as a case for the cell. Electrons flow from the negative terminal through a wire in the device the battery is powering into the positive terminal (learning center)...

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