notes pb lab 02 wheres the juice
TRANSCRIPT
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Where’s the Juice
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Key Objectives:Key Objectives:
Identify the necessary vocabulary terms to better understand how electricity is created in a wet cell and a dry cell battery
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Key TermsKey Terms
Electrode ElectrolyteVoltagePotential DifferenceChemical Cell (Wet and Dry)
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Electrode
The metal or carbon element that reacts with an acid or base electrolyte that produces voltage
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Electrolyte
A substance usually a liquid acid or base that reacts with electrodes to create voltage
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Voltage
The electric potential energy per unit charge.
Measured in Volts
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Potential Difference
The amount of energy per unit charge needed to move a charged particle from a reference point to a designated point in a static electric field; voltage.
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Chemical Cell (Wet and Dry)
Chemical cells are batteries
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Parts of a Battery (Wet Cell)
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Parts of a Battery (Dry Cell)
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Chemical Wet Cell
Wet cells are batteries that require a strong acid or base solution to react with the carbon and metal electrodes to create voltage
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Chemical (Dry) Cell
A dry cell uses a dry paste electrolyte to react with the metal and carbon electrodes to produce electricity.
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Well done….– Get ready for
lab!!!
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Essential Learnings
Enough already!!!
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ZINC(Zn)
MAGNESIUM(Mg)
COPPER(Cu)
CARBON (C)
ELECTRODE SET
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Title:
The effects different combinations of electrodes have on producing voltage in a chemical wet cell
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Hypothesis:
If I combine ___________ as a pair of electrodes, Then it will produce the greatest voltage
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Constants
Sorry guys…you need to read the procedures and identify these by yourselves…
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Background reading
Turn in your lab guides an dread from your Holt textbook pages 484 - 487
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Bottle Heads
Bottle head project power point example
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A Special Scientist
Count Alessandro Giuseppe Antonio Anastasio Volta – b February 18 ,1745 – d. March 5. 1827
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Alessandro Giuseppe Volta
An Italian physicist known especially for the invention of the battery in 1800.
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Birth
Volta was born in Como, a town in present-day northern Italy (near the Swiss border) on February 18, 1745
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Life
In 1774, he became a professor of physics at the Royal School in Como.
A year later, he improved and popularized the electrophorus, a device that produced static electricity.
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Contributions to Science
His promotion of it was so extensive that he is often credited with its invention, even though a machine operating on the same principle was described in 1762 by the Swedish experimenter
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Contributions to Science
He discovered methane after reading a paper by Benjamin Franklin of America on "flammable air."
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Contributions to Science
Volta searched for it carefully in Italy and in November, 1776, he found methane at Lake Maggiore.
By 1778 he managed to isolate methane
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Contributions to Science
He invented the voltaic pile, an early electric battery, which produced a steady electric current
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Death
Volta retired in 1819 to his estate in frazione of Como, Italy, now named "Camnago Volta" in his honor. He died there on March 5, 1827
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Honors
The word “Volt” a measurement of potential difference and the word “Voltage” come from his name
Modern day honors go to him for being the father of the electric automobile.
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Honors
Toyota furnished the electric hybrid engine to Italian design house Giugiaro to build the Toyota Volta in 2003.
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Honors
Later on Chevrolet, in 2011, was only able to use the name "Volt" to honor one of the world's most ingenious inventors
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Controversy
Some scholars argue the Baghdad battery could be the first chemical battery. Iranians were using it as electroplating tool.
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You Decide…..
Baghdad Battery Volta Battery