Energy revision

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  • Created by: Tahmena
  • Created on: 10-01-17 17:27
What are some other laws of energy?
Energy can't be stored, it's not a fuel because it can only be generated.
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What are the advantages and disadvantages of using Burning fossil fuels?
Advantages: coal,gas, oil and it gives a lot of electricity. Disadvantages: Is a non-renewable energy source, causes acid rain, global warming
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What causes acid rain?
co2 and sulphur dioxide.
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Give the advantages and disadvantages of geothermal energy?
A:Can be used for power stations, no CO2 given off, no more pollution, cold water goes in pipes,No co2 given off Used in homes and heaters. D: Only work in areas of volcanic activity, Only found in New Zealand and Iceland,expensive set up.
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Give advantages and disadvantages of solar power
A:Renewable source, no harmful gases released. D:expensive,doesn't work at night, only produces a little bit of energy.
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Give advantages and disadvantages of Wave power.
A: no pollution, never runs out,natural source. D: moon might be on the same side, affection on a marine life.
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Give adv and disadv of Hydro-electric power.
A: Doesn't release carbon dioxide. D: causes floods, destroys peoples farms.
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Give adv and disadv of Tidal power.
The river severn is used for electricity. D: No CO2 being produced.
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Give adv and disadv of Wind power.
A: Kinetic energy turn turbines, it is renewable, doesn't run out. D: people say it is noisy, only suitable in some countries, Birds get chopped off.
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Give the same for Biomass.
A: Cheap and available, made from organic material,when burnt off gives off greenhouse gases.D: wastes oils rapseed oil, gives off pollution and is harmful, could be growing crops.
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Give ads and disads of nuclear power?
A: masses of electricity, no CO2 or sulphur dioxide. D: non renewable, produces radioactive waste, harmful to living things.
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How is electricity generated?
The water is boiled to make steam, The heat is then released from fuel, the steam turns the turbine, The turbine turns the generator and electricity is produced and sent to homes via the national grid.
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What is the formula for work done?
work done= force times distance (measured in m).
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What is the formula for weight?
(N)weight=(kg) mass times grams (10m/s2.
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What is the formula for energy and power?
Energy=Power times time. Power=energy divided by time.
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Give facts about heroine?
Class A drug (illegal), overdoses lead to coma, depression of breathing.
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Give facts about cannabis.
Class B drug, can affect the way your brain works, can freak you out, makes you feel relaxed, makes you feel hungry.
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Give facts about cocaine.
Class A drug, causes heart attacks, stimulant, makes you feel wide awake.
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Give facts about Ecstasy?
Class A drugs, dilated pupils, tightening of jaws, depression, memory problems, kidney and heart problems.
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Give facts about solvents?
It isn't illegal, causes diarrhoea, lack of self control, inhaling glues could cause mood swings.
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What are drugs?
They are substances that change the way your body works.
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What are stimulants?
Like caffeine which is a stimulant they increase your nervous system.
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What are depressants?
Alcohol decrease the activity of your nervous system.
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What is alcohol?
Slows down reaction, affects your judgement and is really addictive.
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Give some problems including smoking?
Heart disease, emphysema(breathing cancer), bronchitis
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What are the 3 chemicals in cigarettes?
nicotine, Tar, carbon monoxide.
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What can smoking do to you?
It can clog your arteries which causes heart attacks and strokes
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Other cards in this set

Card 2

Front

What are the advantages and disadvantages of using Burning fossil fuels?

Back

Advantages: coal,gas, oil and it gives a lot of electricity. Disadvantages: Is a non-renewable energy source, causes acid rain, global warming

Card 3

Front

What causes acid rain?

Back

Preview of the front of card 3

Card 4

Front

Give the advantages and disadvantages of geothermal energy?

Back

Preview of the front of card 4

Card 5

Front

Give advantages and disadvantages of solar power

Back

Preview of the front of card 5
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