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Beschreibung
Karteikarten von Isleworth Physics, aktualisiert more than 1 year ago
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Erstellt von Isleworth Physics
vor fast 7 Jahre
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| Frage | Antworten |
| LEARN IT 1: Energy |
Image:
Energy (binary/octet-stream)
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| List the 8 energy stores | |
| What is a system? | |
| What is a closed system? | |
| What ways can energy be transferred in systems? | |
| Describe in full the energy transfer for a ball thrown up into the air | |
| Describe in full the energy transfer for a ball dropped | |
| Describe in full the energy transfer for a car braking | |
| Describe in full the energy transfer for a collision between two cars | |
| What is the formula for kinetic energy? | |
| What is the formula for gravitational potential energy | |
| What is the formula for elastic potential energy? | |
| What will be the ‘properties’ of something with a large amount of kinetic energy? | |
| What will be the ‘properties’ of something with a large amount of gravitational potential energy? | |
| What will be the ‘properties’ of something with a large amount of elastic potential energy? | |
| What are the units for spring constant? | |
| What does a large value of spring constant mean? | |
| What is the conservation of energy principle? | |
| What does dissipated mean? | |
| What usually happens to wasted energy? | |
| What is the definition of power? | |
| If something has a power of 3 watts, what does this mean? | |
| If something has a power of 10kW, what does this mean? | |
| What are the formulae for power? | |
| What does work done mean? | |
| What methods could be used to reduce wasted energy in a bicycle? | |
| What methods could be used to reduce wasted energy in a house? | |
| How does cavity wall insulation reduce wasted energy by heating? | |
| What does high thermal conductivity mean? | |
| How does double glazing reduce wasted energy transfer by heating | |
| What does efficient mean? | |
| What are the two formula for calculating efficiency? | |
| Why can efficiency never be greater than 1 or 100%? | |
| What does an efficiency of 0.5 or 50% tell you? | |
| Only one type of device is nearly 100% efficient. Which one? | |
| What is a non-renewable energy resource? | |
| List the non-renewable energy resources | |
| What is a renewable energy resource? | |
| List the renewable energy resources | |
| List the energy resources than can be used in transport (cars, trains etc) | |
| List the energy resources that can be used for heating | |
| In a sentence, describe simply how wind power works | |
| In a sentence, describe simply how solar cells work | |
| In two sentences, describe simply how geothermal power works | |
| In three sentences, describe simply how hydroelectric power works | |
| In two sentences, describe simply how wave power works | |
| In two sentences, describe simply how tidal barrages work | |
| In three sentence, describe simply how bio-fuels are used | |
| In a sentence, describe simply how nuclear power stations work | |
| Give the advantages and disadvantages of wind power | |
| Give the advantages and disadvantages of solar cells | |
| Give the advantages and disadvantages of geothermal power | |
| Give the advantages and disadvantages of hydroelectric power | |
| Give the advantages and disadvantages of wave power | |
| Give the advantages and disadvantages of tidal power | |
| Give the advantages and disadvantages of biofuel power | |
| Give the advantages and disadvantages of nuclear power | |
| Give the advantages and disadvantages of fossil fuel power stations | |
| Solar panels are sometimes filled with water. Why? | |
| What is the difference between the words reliable and predictable? | |
| What are the patterns and trends in the use of energy resources? | |
| Why are we trying to use more renewable energy resources? | |
| Although science can identify environmental issues to do with non-renewable energy resources, it does not mean we can just switch to using renewable ones. Why? | |
| What are the symbols and units of: energy (general) kinetic energy gravitational potential energy elastic potential energy | |
| What are the symbols and units of: mass | |
| What are the symbols and units of: velocity or speed | |
| What are the symbols and units of: gravitational field strength | |
| What are the symbols and units of: spring constant | |
| What are the symbols and units of: Extension | |
| What are the symbols and units of: height | |
| What are the symbols and units of: power | |
| What are the symbols and units of: work done | |
| What are the symbols and units of: time |
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