How Batteries Work TOPIC: Explanation of how batteries work SPECIFIC PURPOSE: To inform the audience how a battery works on a scientific level THESIS STATEMENT: A battery is essentially a can full of chemicals in which chemical reactions take place to allow for the flow of electrons. Introduction I. Batteries are everywhere. They are in our cell phones‚ our flashlights‚ our cars‚ our laptops. (Attention getter) II. Life as we know it is made possible largely by batteries. III
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How Does the Computer Work? Specific purpose: To inform and educate the audience about how the computer works. Central idea: The types of hardware that all computer systems use and the types of software that make them run. Attention Statement: Most of American families nowadays have at least one or more computer in their house. Computer has become a very important piece in our life. May be some people don’t realize it but we use computer almost every day. Like millions of computer users‚ microcomputers
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1.When and where did Durer work? Dura worked during the middle ages‚ and lived in Nuremberg during what we know recognize as its golden age. 2.Who and what was an influence on his artwork? In 1494‚ Durer traveled to Italy to study art‚ Durer was heavily influenced by the Italians‚ and one writer in particular: Vitruvius. Durer was most interested in their efforts to find the mathematical proportions for portraying the perfect figure. One artist Durer drew inspiration from in particular while
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Unit 1 – Marketing Task 2 (AO1) In this section of my coursework I am going to be discussing how functional areas such as the marketing department work with different departments in order to run efficiently. I will discuss how different departments support the marketing department’s activities in order to operate efficiently. The finance function of the business usually controls the cost‚ money going in and out of the business. They would keep a record of cost going out the business‚
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this article‚ we’ll see how these parts come together to produce bright light for hours on end. Light Basics Light is a form of energy that can be released by an atom. It is made up of many small particle-like packets that have energy and momentum but no mass. These particles‚ called light photons‚ are the most basic units of light. (For more information‚ see How Light Works.) Atoms release light photons when their electrons become excited. If you’ve read How Atoms Work‚ then you know that electrons
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Class: Composition 1 Prof: Larsen 3/26/09 How does Sunblock works This essay is about how sunblokck works and the correct methods to use it. It also emphasizes the danger of the sun rays ( UVA/UVB). Many experts have different opinions on the subject but in reality is up to us as individuals to either use this product correctly or risk future injury on our skin. Sunblock works by blocking the sun’s UV radiation on the skin‚ both UVA and UVB.
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pH-sensitive multiparticulate drug delivery system - how it works: - a nano-suspension was made from with the drug‚ and then chitosan bead were made‚ which were degradable selectively in the colon Advantage – area specific absorption of drug. And prevent drug form degradation‚ for non-soluble drugs Disadvantage – not for water soluble drugs (have to make suspension)‚ not for sustained release‚ Modified Push-pull osmotic systems – - how it works - the system has two compartments‚ one is hydrogel
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city-states. As we know‚ catapults were mainly used in the medieval era‚ or rather‚ it is most famous for use in that time‚ which you have probably seen in movies and books. How Does the Catapult Work? There is quite a bit of science behind the making of the catapult‚ and how it works. It is similar to a ballista that it works by storing tension in a flexed piece of wood or in twisted ropes. It’s similar to a bow‚ but on a much larger scale. However‚ that is just the catapult which is probably most
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How Does the Thermometer Work? A thermometer is a device that measures the temperature of things. The name is made up of two smaller words: "Thermo" means heat and "meter" means to measure. You can use a thermometer to tell the temperature outside or inside your house‚ inside your oven‚ even the temperature of your body if you’re sick. One of the earliest inventors of a thermometer was probably Galileo. We know him more for his studies about the solar system and his "revolutionary" theory
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HOW AN ELECTRIC GENERATOR WORKS Electrical generators by definition are devices that convert mechanical energy into electric energy. The mechanical energy in turn is produced from chemical or nuclear energy in various types of fuel‚ or obtained from renewable sources such as wind or falling water. Steam turbines‚ internal-combustion engines‚ gas combustion turbines‚ electric motors‚ water and wind turbines are the common methods to supply the mechanical energy for such devices. Generators
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