Solar Energy Crossword Puzzle

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Across
  1. 2. interconnected assembly of solar cells; also called a panel.
  2. 3. energy derived from the sun in the form of solar radiation.
  3. 4. ratio of light reflected from a surface.
  4. 5. photovoltaic modules connected together to provide a single electrical output.
  5. 6. light from the sun; also called solar radiance.
  6. 9. an electric current in which electrons flow in one direction only.
  7. 13. method of harnessing solar energy for thermal energy (heat).
  8. 14. technology and research that relates to the application of solar cells for energy by converting radiant energy directly to electricity.
  9. 15. standard unit of voltage; one volt produces one ampere of current when acting a resistance of one ohm.
  10. 16. device that converts DC electricity into AC electricity.
  11. 17. a solar array that follows the path of the sun to maximize the solar radiation incident on the photovoltaic surface.
  12. 20. rate of flow of electric charge, measured in amperes.
  13. 21. basic unit of a photovoltaic panel.
Down
  1. 1. energy from the sun that is converted into thermal or electrical energy.
  2. 3. distribution of energy emitted by the sun arranged in order of wavelengths.
  3. 7. an electric current that reverses direction at regular intervals.
  4. 8. a system which uses solar cells to convert light into electricity; consists of multiple components, including solar cells, mechanical and electrical connections and mountings and means of regulating and/or modifying the electrical output.
  5. 10. measure of solar radiation energy received on a given surface area in a given time.
  6. 11. potential energy that makes the electrical current flow in a circuit by pushing the electrons around (pressure).
  7. 12. the unit of electric power, or amount of work (J), done in a unit of time. One ampere of current flowing at a potential of one volt produces one watt of power.
  8. 13. (1) of or pertaining to the sun. (2) utilizing, operated by, or depending on solar energy. (3) manufacturing or providing solar power.
  9. 18. height of the sun above the horizon.
  10. 19. unit of electric current (refers to flow of current); one ampere corresponds to a certain number of electrons passing a fixed point each second.