energy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the 6 forms of energy? | machanical, thermal, ,nuclear, electrical,
chemical, and Radient
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| What is an example of machanical energy? | A hammer moving towards a nail.
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| What is an example of thermal energy? | the heat feeling when you rub your hands together.
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| What is an example of nuclear energy? | nuclear power plants
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| What is an example of electrical energy? | energy of electric charges
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| What is an example of chemical energy? | when you burn coal
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| What is an example of radient energy? | radio waves
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| What is the first form of the 2nd law of Thermodynamics? | In any transformation of energy there is always a decrease in the usable energy.
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| What is the 2nd form of the 2nd law of Thermodynamics? | Heat can only move from hot to cold.
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| What is the 3rd form of the 2nd law of thermodynamics? | In a closed system disorder increases.
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| What is the most plentiful non-renewable resource? | coal
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| What is one non-renewable rsource? | Coal, uranium, natural gas, oil shade
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| What is an example of efficency? | devices that are used for lighting
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| What is heat engine? | Any device that converts heat energy into michanical energy.
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| Is heat engine efficient? | no
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| When energy gets lost what is it lost as? | heat
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| What is system efficency? | energy that orginally comes from coal
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| After going through the power plant how much energy is used as heat? | 2/3 of it
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| What is an example of system efficiency? | a incondesent light bulb.
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| What is an example of energy conversion? | When you mine, crush, and transport coal.
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| What is "lost" heat? | When some energy is "lost" as heat?
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| Where do we get most of our energy from? | coal
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| what do people have to pay since some energy gets "lost"? | a heat tax
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| What are resources? | Amounts of material that are known or unknown.
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| What are reserves? | known amounts of material that can be extracted with technology under present economic conditions.
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| Are resources larger or smaller than reserves? | larger
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| What is an example of high energy quality? | sugar
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| What 2 energy's are high in quality? | machanical and electrical.
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| What has the lowest energy quality? | ambiant temperture
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| What is an example of low energy quality? | sunlight
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| Where would you find a fire ball of coal? | inside a furnace
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| Where is coal located? | Inside the earth's crust under tons of rock.
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| Why is coal pulverized? | so that the coal can burn easier and hotter with less waste.
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| Why is water pressurized? | It turns to steam faster and more efficently.
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| Why is ash mixed with concrete? | It makes the concrete stronger.
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| How is steam recycled? | It is converted back to water.
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| What is a recieving station? | A place where electricity goes and reduces voltage and then is sent to a substation.
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| What is net energy? | the total energy that is used over a lifetime of the system.
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| What is net energy useful for? | analysis
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| What is an example of an analysis? | Can't use a ratio close or less than one.
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Created by:
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