DISCOVERIES

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Across
  1. 2. Baird Who invented T.V.?
  2. 4. Who invented dynamite?
  3. 5. Which scientist is best known for his well known laws for electromagnetic induction?
  4. 7. Who developed alternating current?
  5. 8. Who invented reflecting telescope?
  6. 10. Who invented the airplane?
  7. 11. who invented the first automobile?
  8. 12. Who invented air conditioner?
Down
  1. 1. who discovered electromagnetic induction in 1831?
  2. 3. Who discovered that black holes loose their mass?
  3. 6. Who invented the battery?
  4. 9. Who invented penicillin?