Energy - Key Words

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Across
  1. 4. A form of energy created from primary energy fuel sources. The National Grid supplies energy in high voltage cables
  2. 5. The different sources of energy used by households, industry, commerce and in electricity generation
  3. 7. The extraction of resources for refining and use
  4. 10. Development that meets the needs of the current generation, by sensible management of the environment, the economy and social welfare, without compromising the needs of future generations
  5. 11. Hydrocarbon deposits in the earth such as oil, gas and coal that are formed from plant and animal remains in previous geological eras. Non-renewable energy sources
  6. 12. The amount of minerals that can be extracted for commercial use within a certain period of time and level of technology, they can be known or estimated
  7. 13. Manufactured sources of power such as electricity or petroleum
  8. 15. Deposits that may occur in geological basin where no exploration has taken place. They occur in areas that have similar areas where deposits have been found
  9. 17. Sustainable energy sources from forests, plants and animal waste, which require prudent management
  10. 18. Energy sources in their raw form such as oil, coal and gas. They are sued to produce secondary energy
  11. 19. Everlasting resources such as tides, waves, running water and solar power
  12. 21. The use of a resource
Down
  1. 1. The amount of rapid variation in the amount of a commodity on the international money markets
  2. 2. When span the electromagnetic fields are disturbed and electrons are harvested
  3. 3. Molecules made from carbon and hydrogen, usually the remains of dead animals or plants
  4. 6. Fan that spins by another force, such as a rush of steam or tidal water
  5. 8. Resources that will not run out and are continuously created
  6. 9. When one resource becomes too expensive or scarce then another is used instead
  7. 14. Any aspect of the environment that can be used to meet human needs
  8. 15. The total amount of a resource left
  9. 16. The result of a continuous flow like wind or wave
  10. 20. The amount of part of a resource that is available for use under current economic and technology conditions