Science

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Across
  1. 2. : Unit of energy used for measuring electricity consumption
  2. 4. : Unit used to measure energy or work
  3. 6. : Rate at which work is done or energy is transferred
  4. 10. : Energy supplied to a system or device
  5. 11. : Spread of energy into the surroundings, usually as heat
  6. 12. : Unit of power equal to one joule per second
  7. 14. : Change from one form of energy to another
  8. 15. : Movement of electric charge through a conductor
  9. 17. : Portion of energy that performs the intended task
  10. 19. : Ratio of useful output to total input energy
Down
  1. 1. : Energy produced by a system, useful or wasted
  2. 3. : Principle stating energy cannot be created or destroyed
  3. 5. : Flow chart showing energy inputs, outputs, and losses
  4. 7. : Energy lost to the surroundings, often as heat or sound
  5. 8. Flow of electric charge used as a form of energy
  6. 9. : Unit of power equal to one thousand watts
  7. 13. : Energy transferred when a force moves an object
  8. 14. : Movement of energy between objects or places
  9. 16. : Property of matter that causes electrical interactions
  10. 18. : How well a device converts input energy into useful output