Electricity

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Across
  1. 3. energy released in the form of particle or electromagnetic waves
  2. 4. a substance or material that allows electricity to flow through
  3. 9. Has a trunk
  4. 12. electricity of which the element unit is the problem
  5. 14. something that makes vision possible
  6. 15. the capacity for doing work
  7. 17. having the electric charge or voltage less than zero
Down
  1. 1. Likes to chase mice
  2. 2. a complete circular path that electricity flows through
  3. 5. unit of electrical resistance in the metre kilogram second system
  4. 6. quantitative expression of the potential difference in charge between two points in an electrical field
  5. 7. Large marsupial
  6. 8. Flying mammal
  7. 10. the nucleus of every atom
  8. 11. Man's best friend
  9. 13. a negatively charged subatomic particle
  10. 16. the deliberate use of light to achieve practical or aesthetic effects