Term
| Name four unnatural processes/sources that produce methane. |
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Definition
| The extraction of fossil fuels, rotting of vegetables in rice paddies, rotting of rubbish in landfills and farm animals. |
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Term
| Name five unnatural processes/sources that produce nitrous oxide. |
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Definition
| Leguminous vegetables, cars, soil cultivation, use of fertiliser and chemical manufacture. |
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Term
| Do chlorofluorocarbons occur naturally? |
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Definition
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Term
| Name three sources of CFCs, and what CFC stands for. |
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Definition
| Aerosols, refrigerants and the manufacture of foam products. Chlorofluorocarbon. |
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Term
| How are perfluorocarbons produced? |
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Definition
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Term
| Name two sources of ozone. |
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Definition
| Car exhaust and coal-burning plants. |
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Term
| How much has stationary power's emissions changed since 1990? |
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Definition
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Term
| How much has transport of fuel's emissions changed since 1990? |
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Definition
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Term
| How much has fugitive emissions levels changed since 1990? |
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Definition
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Term
| How much has industrial processes' emissions changed since 1990? |
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Definition
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Term
| How much has agriculture's emissions changed since 1990? |
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Definition
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Term
| How much has land use, land change and deforestation's emissions changed since 1990? |
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Definition
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Term
| How much has waste's emissions changed since 1990? |
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Definition
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Term
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Definition
| An object or system's ability to perform work. |
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Term
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Definition
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Term
| What is potential energy? |
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Definition
| Stored energy, associated with an object's position. |
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Term
| What is mechanical energy? |
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Definition
| The movement of on object and the conversions of potential energy into other forms of energy. |
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Term
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Definition
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Term
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Definition
| A measure of the average kinetic energy of the molecules within a material. |
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Term
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Definition
| A form of potential energy that is due to the relative positions of the atoms and their electrons in the substance's molecules. |
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Term
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Definition
| The conversion of ATP's potential energy into kinetic energy. |
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Term
| What is required to cause a change in state? |
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Definition
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Term
| What is an energy source? |
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Definition
| A naturally occurring fuel or source of energy. |
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Term
| What is an exothermic reaction? |
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Definition
| A reaction that releases heat. |
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Term
| What is an endothermic reaction? |
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Definition
| A reaction that takes in heat. |
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Term
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Definition
| The amount of energy available or used over a given time. |
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Term
| How many joules are in a kilojoules? |
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Definition
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Term
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Definition
| The unit used for measuring power. |
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Term
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Definition
| energy (joules)/time (seconds) |
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Term
| What is the 1st law of thermodynamics? |
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Definition
| The law of conservation of energy. |
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Term
| What is the 2nd law of thermodynamics? |
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Definition
| When energy is converted from one form to another, some of it becomes degraded into a lower quality energy. |
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Term
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Definition
| The level of energy disorder in a system. |
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Term
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Definition
| useful energy out put/total energy input X 100 |
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Term
| Fossil fuels a formed from what? |
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Definition
| Dead and decaying organisms trapped under layers of sediments or rock. |
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Term
| What is the earth's atmosphere? |
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Definition
| A thin protection layer of gases and particles around the earth. |
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Term
| Name the different layers/zones in the atmosphere. |
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Definition
| Troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, thermosphere. |
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