"Siemens energy" Essays and Research Papers

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    Forms of Energy

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    Forms of Energy CHEMICAL Energy Chemical energy is stored in the bonds between atoms. This stored energy is released and absorbed when bonds are broken and new bonds are formed –   chemical reactions. Chemical reactions change the way atoms are arranged.  NUCLEAR Energy Nuclear energy is the stored potential of the nucleus‚ or center‚ of an individual atom. Most atoms are stable on Earth; they retain their identities as particular elements‚ like hydrogen‚ helium‚ iron‚ and carbon‚ as identified

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    Heat Energy

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    Heat energy Temperature – measure of the average KE of the particles in a substance‚ measured in degrees Celsius or degrees Kelvin. Celsius 0⁰C (freezing point of water) to 100⁰C (boiling point of water) Kelvin 0 K (absolute zero‚ particles stop moving theoretically)‚ equivalent to -273.15⁰C. Uses the same scale for increase‚ ie. a 1⁰C increase in temperature equates to a 1K increase in temperature. Heat – amount of energy transferred‚ measured in Joules (J) Kinetic Energy‚ Thermal

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    Thermal Energy

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    Lab #7: Thermal Energy Heat is thermal energy being transferred from one place to another‚ because of temperature changes. This can take place by three processes. These three processes are known as conduction‚ convection‚ and radiation. When we place two objects with different temperatures in contact with each other‚ the heat from the hotter object will immediately and automatically flow to the colder object. This is known as conduction. Some objects make excellent conductors of heat while

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    Toaster Energy

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    Heat Heat is the transfer of energy from a hot object to a colder object‚ such as when toasting a slice of bread. The heat transfers onto the slice of bread which results in warm toast. When the slice of bread is heated‚ many things change; for example‚ the texture turns crunchy‚ the bread hardens‚ and the colour darkens. Where does the toast get its heat from? The toaster. Toaster A toaster is an electric small appliance designed to toast sliced bread by exposing it to heat. When a slice of bread

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    Energy Story

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    immensely important role in our lives. In both the articles Energy Story by the California Energy Commission and Conducting Solutions by Rodney Schreiner we are given a fairly in-depth explanation to this fascinating tool. In a 2011 TED talk a speaker named AnnMarie Thomas introduces us to an intriguing concept‚ using playdough to conduct electrical experiments. All of these sources purposes are to help us better understand electricity. “Energy Story” starts by introducing us to the basis of everything

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    Impact on Value It is shown in the case study there was a discrepancy in the values of Big Energy and XYZ energy. The difference in value might be due to the nature of the culture as Big Energy comes from a private sector‚ which focuses more driven by profits‚ and XYZ Energy comes from a public sector‚ which is less materialistic and more driven by public interest (Boyne‚ 2002). The value that Staff of XYZ energy had‚ was they saw the worth in the processes and systems they have produced before the

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    [Energy resources]: The 2 broad types Pros and Cons of each type Ways in which they are harnessed There two main types of energy these are: 1. Potential energy 2. Kinetic energy Potential energy Potential energy is energy stored due to position. The following are some example in which potential energy can be found. 1. Wound-up spring When a spring of a dock work toy car unwinds‚ the stored energy in the spring drives the wheels and the car moves. The wound-up spring is said to posse potential

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    Energy

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    Page No ENERGY TYPES OF ENERGY ENERGY RESOURCES ADVANTAGES AND DISADVANTAGES ENERGY CONSERVATION REFERENCE ENERGY Energy is one of the most fundamental parts of our universe. We use energy to do work. Energy lights our cities. Energy powers our vehicles‚ trains‚ planes and rockets. Energy warms our homes‚ cooks our food‚ plays our music‚ gives us pictures on television. Energy powers machinery in factories and tractors on a farm. Energy from the sun gives us

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    Energy is needed by the body to stay alive‚ grow‚ keep warm and move around. Energy is provided by food and drink. It comes from the fat‚ carbohydrate‚ protein and alcohol the diet contains. Energy requirements vary from one individual to the next‚ depending on factors such as age‚ sex‚ body composition and physical activity level. Energy expenditure is the sum of the basal metabolic rate (the amount of energy expended while at complete rest)‚ the thermic effect of food (TEF‚ the energy required

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    Application of Energy

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    Application of Energy ------------------------------------------------- Forms of energy Main article: Forms of energy Energy exists in many forms: Heat‚ a form of energy‚ is partly potential energy and partly kinetic energy. In the context of physical sciences‚ several forms of energy have been defined. These include: * Thermal energy‚ thermal energy in transit is called heat * Chemical energy * Electric energy * Radiant energy‚ the energy of electromagnetic radiation *

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