batteries andrew g., santino m., sam h., cameron p. mr. winterhalter period: 2
TRANSCRIPT
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BatteriesAndrew G., Santino M., Sam H., Cameron P.Mr. WinterhalterPeriod: 2
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Batteries
• Batteries act like mini, portable generators
• Batteries start with chemical energy
• The chemical energy is stored in chemical compounds
• Electric chemical cells convert chemical energy into electrical energy
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The First Battery
• Luigi Galvani created he first batteries on accident when he was studying the anatomy of a frog. He used a brass hook to hold the leg and touched it to a iron railing and noticed the leg muscle twitched.
• The first modern batteries were layers of iron, zinc, and paper soaked in salt water.
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Electrochemical Cells
• Several cells are stacked together make a batteries
• Modern batteries are single Electrochemical cells
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Wet and Dry Cells
• An electrochemical cell in which the electrolyte is a liquid is a wet cell.
• A dry cell is a electrochemical cell in which the electrolyte has the consistent of a paste.
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Dead & Rechargeable Batteries
• You can recharge the cells by into valuable reactants.
• The reactants in a rechargeable battery are made from nickel and cadmium.
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QuestionsAnswers
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What was the first modern batteries made of?
• A) Paper
• B) Copper and iron
• C)Gold and platinum
• D) Silver, Zinc, Paper
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What was the first modern batteries made of?
• A) Paper
• B) Copper and iron
• C)Gold and platinum
•D) Silver, Zinc, Paper
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Who discovered the first batteries?
• A) Albert Einstein
• B)Alessandro Voltro
• C) Kobe Bryan
• D) Luigi Galvani
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Who discovered the first batteries?
• A) Albert Einstein
•B)Alessandro Voltro• C) Kobe Bryan
• D) Luigi Galvani
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What is the difference of a wet and dry cell?
• A)Wet cells are et and dry cells are dry.
• B) A wet cell is a liquid electrolyte and a dry cell is a dry paste electrolyte.
• C) Wet cells run out of power faster than a dry cell.
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What is the difference of a wet and dry cell?
• A)Wet cells are et and dry cells are dry.
•B) A wet cell is a liquid electrolyte and a dry cell is a dry paste electrolyte.
• C) Wet cells run out of power faster than a dry cell.
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What is an electrochemical cell?
• A) A cell made entirely of moist paper
• B) A cell device that doesn't convert chemical energy into electric energy.
• C) A cell devic3e that does convert chemical energy into electrical energy.
• D) Used to power sail boats.
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What is an electrochemical cell?
• A) A cell made entirely of moist paper
• B) A cell device that doesn't convert chemical energy into electric energy.
•C) A cell device that does convert chemical energy into electrical energy.
• D) Used to power sail boats.
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A electrical chemical cell can be re charged to be bring a battery back to life?
• True or False
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A electrical chemical cell can be re charged to be bring a battery back to life?
•True or False