Nikola Tesla - electricity superstar

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Across
  1. 3. A certificate stating you own an invention
  2. 5. The number of languages Tesla could speak
  3. 6. Every solid, liquid, gas and plasma is made up of these
  4. 8. An inventor who lived at the same time as Tesla (6,6)
Down
  1. 1. A force created by electrons
  2. 2. Tesla liked to memorise thesed
  3. 4. An electrical force
  4. 7. The amount of electrical current flowing through a conductor
  5. 9. Where tesla was born