18203082
Beschreibung
Karteikarten von Robert Ellis, aktualisiert more than 1 year ago
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Erstellt von Robert Ellis
vor mehr als 5 Jahre
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| Frage | Antworten |
| conservation | Protecting and preserving natural resources and the environment |
| photosynthesis | process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches |
| fission | A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy |
| fusion | Creation of energy by joining the nuclei of two hydrogen atoms to form helium |
| ecological footprint | the impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources |
| human carbon footprint | what carbon we spew all over earth, too much can damage the environment |
| sustainability | meeting the needs of the present without compromising the ability of future generations to meet their own needs |
| electromagnetic radiation | a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary simultaneously |
| fossil fuels | Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals |
| non-renewable resources | a resource that cannot be reused or replaced easily (ex. gems, iron, copper, fossil fuels) |
| renewable resources | Any natural resource that can replenish itself in a relatively short period of time, usually no longer than the length of a human life |
| solar power | energy from the sun that is converted into thermal or electrical energy |
| wind power | The use of a windmill to drive an electric generator |
| biofuel | Liquid fuel created from processed or refined biomass |
| nuclear power | Energy that is harnessed from reactions among radioactive isotopes |
| energy | the capacity to do work |
| electricity | A form of energy caused by the movement of electrons |
| fuel cells | an electrochemical cell that uses replenishable substances such as hydrogen or oxygen or water to produce electricity |
| tidal-wave power | (renewable energy source) tidal forces and flowing ocean water used to generate electricity; limited use to date |
| geothermal energy | Energy from steam or hot water produced from hot or molten underground rocks |
| impact | the effect we have on our world |
| recycle | The process of making new products from materials that were used in another product |
| reduce | to use less of something |
| reuse | Involves using a resource over and over in the same form |
| tar sands and oil shale | Not viable energy resources Nonconventional resources |
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