energy

  • Created by: KBELL123
  • Created on: 19-05-17 12:01
What are the 8 types of energy?
Potential Energy,kinetic energy,gravitational potential,chemical,,nuclear,,elastic,motion,thermal
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How do you calculate power?
power=work / time
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What units are used to measure power?
watt
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How do you calculate energy used?
power x time
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What are the units for energy?
joules
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What does an energy efficient light bulb do?
makes more light energy instead of heat energy
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What are the wasted energy transfers with a television?
heat energy
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Name 11 sources of energy (ways of generating electricity)
solar,wind,geothermal,hydrogen,biomass,tidal,wave,hydroelectric,nuclear,fossil,coal
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What are the energy transfers involved in a coal power station?
This energy is transferred as heat and stored in water as steam.
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Name three alternative energy sources
wind,solar,geothermal
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What are the advantages of using fossil fuels to generate electricity?
produces a lot of energy
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What are the disadvantages of using fossil fuels to generate electricity?
causes pollution
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What are the advantages of using solar power to generate electricity?
its cheap
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What are the disadvantages of using solar power to generate electricity?
there isn't always sun
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What causes global warming?
climate change
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Name two greenhouse gases
carbon dioxide,sulpher dioxide
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Give three examples of climate change
ice caps melting,temperature rises,sea levels rise
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Card 2

Front

How do you calculate power?

Back

power=work / time

Card 3

Front

What units are used to measure power?

Back

Preview of the front of card 3

Card 4

Front

How do you calculate energy used?

Back

Preview of the front of card 4

Card 5

Front

What are the units for energy?

Back

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