Term
| Energy in the home comes from where? |
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Definition
| electricity, gas and solid fuels |
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Term
| Most expensive appliances to run? |
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Definition
| Those making heat e.g. iron, kettle, oven etc… |
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Term
| Energy consumption (kwh) depends on what? |
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Definition
| power rating (W,kW) and period of use (i.e. how long it is used) |
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Term
| Ways to reduce heat loss? |
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Definition
| Draught-proofing (e.g. curtains, draught excluders) and insulating (double glazing, loft insulation, lagging pipes, carpets, cavity wall insulation) |
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Term
| How can we reduce energy waste at home? |
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Definition
| Take showers instead of baths, switch off tv, lighting , and have appropriate setting on thermostat |
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Term
| What does a thermostat do? |
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Definition
| keep a steady temperature by switching on when a temperature is to low and switching off when the temperature is too high. |
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Term
| Which appliances use a thermostat? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Plug: yellow and green cable is |
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Definition
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Term
| What are fuses and earth wires for? |
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Definition
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Term
| What are the main energy sources? |
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Definition
| Coal, oil, natural gas and peat |
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Term
| What happens is there is more demand than supply for fossil fuels? |
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Definition
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Term
| How are fossil fuels formed? |
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Definition
| Compression of organic waste (i.e. dead animals&plants) during millions of years. |
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Term
| What is the name of a layer of rocks that lets oil and gas seep through upwards? |
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Definition
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Term
| What is the name of a layer of rocks that does NOT let oil and gas seep through upwards? |
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Definition
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Term
| When layers of oil, gas and water are trapped under the ground, which layer ends up at the top? |
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Definition
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Term
| When layers of oil, gas and water are trapped under the ground, which layer ends up in the middle? |
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Definition
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Term
| When layers of oil, gas and water are trapped under the ground, which layer ends up in the middle? |
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Definition
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Term
| What is the name of different oil fractions from the bottom to the top of a fractionation column |
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Definition
| Bitumen, diesel, paraffin, naphta, petrol, refinery gas |
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Term
| What happens to the temperature of the boiling point as you go up the column? |
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Definition
| It decreases, substance boils and evaporates at lower temperatures |
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Term
| What happens to viscosity as you go up the column? |
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Definition
| It decreases, substances become less "thick" |
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Term
| What happens to flammability as you go up the column? |
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Definition
| it increases, substances becomes easier to set on fire |
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Term
| What substance is used to make bottled car for caravans etc…? |
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Definition
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Term
| What substance is used to make plane fuel? |
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Definition
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Term
| What substance is used to make plastics and other chemicals? |
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Definition
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Term
| What substance is used to make fuel for lorries, trains etc..? |
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Definition
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Term
| What substance is used for road surfacing? |
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Definition
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Term
| What is used up when fuels burn? |
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Definition
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Term
| What is produced when fuels burn? |
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Definition
| Carbon dioxide, water vapour and sulphur dioxide |
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Term
| Which fire extinguisher is used when solids like wood and plastic burn? |
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Definition
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Term
| Which fire extinguisher is used when petrol or oil burn? |
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Definition
| Carbon dioxide or fire blanket |
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Term
| Which fire extinguisher is used for electric fires |
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Definition
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Term
| Explain how a power station makes electricity |
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Definition
| Fuel burnt to boil water and produce steam. Steam turns the blase of a turbine. Turbine drives a generator. Generator produces electricty. |
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Term
| How can we use nuclear fuel to produce electricity? |
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Definition
| Nuclear fuels produce heat which produces the steam needed to drive the turbine. The turbine drives the generator and that produces electiricy |
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Term
| What is the dangerous thing produced by nuclear power stations? |
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Definition
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