3.2 energy vocab

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Across
  1. 3. process of splitting water into hydrogen and oxygen by means of an electric current.
  2. 5. a device used to convert mechanical energy into electrical energy.
  3. 8. a solar energy collection system that uses electrical or mechanical components to heat water or heat and cool buildings or produce electricity.
  4. 11. A field of electromagnetic energy produced by electricity flowing through power lines.
  5. 12. a device used to increase or decrease voltage supplied to a circuit.
  6. 14. Any unit that converts some form of energy into electrical energy such as a hydroelectric or steam-generating station a diesel-electric engine in a vehicle or a nuclear power plant.
  7. 15. A system of high-tension cables by which electrical power is distributed throughout a region.
  8. 16. fuels to eventually replace dwindling supplies of fossil fuels.
  9. 17. Moves energy in a usable form from one place to another like electricity or hydrogen.
  10. 18. A solar energy collection system that does not require electrical or mechanical components can directly heat water or buildings or reduce solar heat gain or provide lighting.
  11. 19. Engineering that focuses on the development of a sustainable future through renewable energy wise use of natural resources recycling and assessment of environmental impact.
  12. 20. Conserving resources through efficient and prudent use.
Down
  1. 1. Device that combines hydrogen or other fuels and oxygen and produces electricity in the process.
  2. 2. Naturally occurring materials found within the Earth or its atmosphere.
  3. 4. An electrical power distribution network that can transmit electricity
  4. 6. substances discharged into the air
  5. 7. a direct current voltage source made up of one or more units that convert chemical thermal nuclear or solar energy into electrical energy that can be stored until it is needed.
  6. 9. Process in which high-temperature steam separates hydrogen from carbon atoms in methane (CH4).
  7. 10. first and simplest element on the periodic table. It is one of the most common elements in the galaxy.
  8. 13. a negatively charged particle.
  9. 21. a machine for producing power in which a wheel or rotor is made to revolve by a fast-moving flow of water steam gas or air.