Physics is Phun

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Across
  1. 3. SI unit of power
  2. 4. transfer of energy, such as heat or an electric charge, through a substance
  3. 8. equals to n m
  4. 9. d/v
  5. 10. substance or medium that conducts heat, light, sound, or especially an electric charge
  6. 11. energy that travels as longitudinal waves containing regions of high and low pressure
  7. 12. study of sound
  8. 15. a process of heat transfer through a gas or liquid by bulk motion of hotter material into a cooler region
  9. 18. sound produced by a body vibrating in sympathy with a neighbouring source of sound
  10. 19. form of radiant energy that the eye can detect
  11. 20. product of the magnitudes of the applied force and the displacement of the object in the direction of the force
Down
  1. 1. the branch of science concerned with vision and the generation, nature, propagation, and behaviour of electromagnetic light
  2. 2. energetic particles or energetic waves travel through vacuum, or through matter-containing media that are not required for their propagation
  3. 4. the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
  4. 5. SI unit for force
  5. 6. push or a pull of an object
  6. 7. basic unit for frequency
  7. 13. a material whose internal electric charges do not flow freely
  8. 14. watt
  9. 16. ability to do work
  10. 17. generating heat or increased temperature