science

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Across
  1. 3. The Creator of the radio.
  2. 5. What did Tsai LUN invent?
  3. 7. Who invented the aqualung?
  4. 9. Who invented the first light bulb?
  5. 12. That was invented by the Lumiere brothers?
  6. 14. Who invented the printing press in 1450?
  7. 17. He created an x-ray machine
  8. 18. What machine was invented by the Englishman James watt in 1774?
  9. 19. The law of universal gravitation discovered.
  10. 20. Translation from the Greek term "technique".
Down
  1. 1. Name the brothers who are considered the inventors of cinema.
  2. 2. A device that makes it easier to navigate the area by pointing from the direction of light.
  3. 4. What did Drez invent?
  4. 6. What Alfred Nobel created?
  5. 8. This metal was discovered by the chemist Plunkett.
  6. 10. Who was the first to use an umbrella as a shelter from the rain?
  7. 11. The ship, in an engine which used the steam engine.
  8. 13. What month is the day of the inventor and innovator celebrated?
  9. 15. A device that measures atmospheric pressure.
  10. 16. Who invented the lightning rod?