... light sensitive photo-voltaic cells. When light strikes the cells, the electrons are excited and the light energy is able to be converted into electricity. The electricity is then used to charge seven rechargeable batteries, and from there power an electric motor to run the car. Solar cars are much ... molecules, and produce energy in the form of heat and light. This energy is used to heat water to turn steam turbines and generate electricity. Scientists around the world are researching fusion technologies, but none have been successful yet. The plasma at the high temperatures can only ...

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• Grade Level: High School

... is explained by the difference of mass between fission products and reactants. The energy and the heat that are produced can be used to produce electricity. The whole issue was under consideration from the beginning of the 20th century but the greatest physician; Albert Einstein explored the usage by giving ... THE "CLEAN" SIDE... By using nuclear power we can avoid some others source that can cause serious pollution. For example, we can produce electricity without any kind of burning fuel. Burning fuels would create serious damages to environment. We all know the color of the sky in va...

• Word Count: 1950
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• Grade Level: High School

... regulated fashion, it can be harnessed for peaceful and extremely useful purposes. Most commonly today we see this in the conversion of the heat resulting from fission being made into electricity. The split atoms cause a chain reaction creating more energy and producing different chemical elements. These elements are all highly radioactive. Topic: This process is known as a fission reaction. There are ... occurs naturally typically contains more than 99% uranium which is non fissionable. Perhaps only 0.07% is fissionable. Therefore the uranium must be enriched, before it can be used to ...

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• Grade Level: High School

... , and natural gas. These fossil fuels prove to be very important in our everyday lives. They provide 88 percent of all primary energy and 70 percent of all electricity that we use in the United States today. They make it possible for automobiles, airplanes, ships, and trains, as well as many other powered machines to function ... fossil fuels, last? Our most abundant fossil fuel is coal. Coal is primarily used in the United States to generate electricity. It is burned in power plants to produce more than one half of all the electricity that we use. "The United States has more coal reserve...

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... always grow more trees and crops, and waste will always exist. Many different kinds of biomass, such as woods chips, corn, and some types of garbage, are used to produce electricity. Some types of biomass can be converted into liquid fuels called biofuels that can power cars, trucks, and tractors. Leftover food products like vegetable oils and animal fats can create ... for recreation and leisure activities. Some of the way is considered to reduce the growth in greenhouse gases by the use of biomass is when, the burning biomass create clean electricity releases no new carbon into the at...

• Word Count: 1387
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• Grade Level: Undergraduate

... lines and messages be received merely in a few seconds. Another great invention during this time was the telephone. The telephone greatly changed how people connected with each other. Advancements in electricity opened many doors. Before the lightbulb, candles and oil lamps were used. They were not the safest and were soon to be replaced by gas lamps and later on the ... planes and would still be using horses to get around. Long distance travel would not be possible or very difficult to attempt to say the least. Without the invention of electricity and the lightbulb, we would still be u...

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• Grade Level: High School

... , cheap, and safe. This belief was no sooner publicized and the building of nuclear power plants began, "today more than 431 commercial nuclear reactors generate 16 percent of the world's electricity."(Spun, 2002) Yet despite this bright promise, serious problems lay ahead for the new technology. It's original development that of a weapon of mass destruction, and its subsequent use on the ... climate constitutes a more clear and present danger than the billions of tons of greenhouse gases being released each year through mankind's heavy dependence on fossil fuel for heating, transportati...

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• Has Bibliography
• Grade Level: Undergraduate

... to renewable and alternative forms of energy. A large portion of the energy sources we use comes from burning fossil fuels. Most power plants burn fossil fuels; especially coal, to generate electricity. Both natural gas and oil are widely used for heating homes, schools, and offices. Cars, trucks, motorcycles, and lawnmowers all burn gasoline, which is extracted from oil. Energy is one ... and should also make other renewable energy sources more practical replacements for fossil fuels. It is very likely that solar, wind, and geothermal power can eventually be used to produce electricity...

• Word Count: 2008
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• Has Bibliography
• Grade Level: High School

... to renewable and alternative forms of energy. A large portion of the energy sources we use comes from burning fossil fuels. Most power plants burn fossil fuels; especially coal, to generate electricity. Both natural gas and oil are widely used for heating homes, schools, and offices. Cars, trucks, motorcycles, and lawnmowers all burn gasoline, which is extracted from oil. Energy is one ... and should also make other renewable energy sources more practical replacements for fossil fuels. It is very likely that solar, wind, and geothermal power can eventually be used to produce electricity...

• Word Count: 2008
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• Has Bibliography
• Grade Level: High School

... that sulfur dioxide, carbon dioxide, and nitrogen are the major causes of these hazardous depositions. All of these chemicals come from factories, cars and electricity. The very root of the process begins at factories that generate electricity that relies on burning fossil fuels like coal. Acid rain also depends on the over-usage of everyday human needs such as transportation and electric ... ...

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• Grade Level: High School

... . These chemicals are known as greenhouse gases; some of the most common ways in which greenhouse gases are emitted include from the combustion of fossil fuels in cars, factories and electricity production. The most common and harmful greenhouse gas is carbon dioxide, or CO2. Carbon dioxide and other greenhouse gases are responsible for the many growing holes in the ozone layer ... ...

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... per pound (McCarthy). Since the cost of uranium ore is only 0.04 cents per kilowatt-hour,even large increases in ore are affordable without increasing the cost of nuclear generated electricity significantly? (Cohen). The energy invested in building a plant is paid back in five months (McCarthy).The basic fact about nuclear energy is that the input energy is 4.8 percent of the ... ...

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• Grade Level: High School

... per pound (McCarthy). Since the cost of uranium ore is only 0.04 cents per kilowatt-hour,even large increases in ore are affordable without increasing the cost of nuclear generated electricity significantly? (Cohen). The energy invested in building a plant is paid back in five months (McCarthy).The basic fact about nuclear energy is that the input energy is 4.8 percent of the ... ...

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• Grade Level: High School

... Cooling System ensures that in the event of an accident there is enough cooling water to cool the reactor. The second would be the lack of pollution. As demand for electricity soars, the pollution produced from fossil fuel-burning plants is heading towards dangerous levels. Coal, gas and oil-burning power plants are already responsible for most of America's air pollution ... ...

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... . Energy may also be obtained indirectly. For example, at a power plant, oil is burned to create steam and that steam produced is used to power a generator which is used for electricity. Energy that is produced by businesses and the government and then sold to the public is called commercial energy. About 85 percent of all commercial energy comes from petroleum, coal ... ...

• Word Count: 1256
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• Grade Level: High School

... per pound (McCarthy). Since the cost of uranium ore is only 0.04 cents per kilowatt-hour,even large increases in ore are affordable without increasing the cost of nuclear generated electricity significantly? (Cohen). The energy invested in building a plant is paid back in five months (McCarthy).The basic fact about nuclear energy is that the input energy is 4.8 percent of the ... ...

• Word Count: 2027
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School