science quiz

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Across
  1. 2. continue to be involved in inventing devices
  2. 5. samuels rogers of ontario made the first radio that could be plugged into a wall outlet
  3. 8. canadians are leaders in the world of global communication
  4. 10. A.fessenden invented the first wireless voice message
  5. 12. the first owner of the telephone was the prime minister
Down
  1. 1. l.hings invented the walkie talkie
  2. 3. 1 was launched it was the world's first geostationary communication satellite
  3. 4. cars have canadians busy
  4. 6. in 1878 Cyril duquet designed a phone receiver
  5. 7. williams stephenson invented the method of sending phone lines
  6. 9. was written by william shakespeare
  7. 11. Luszszak developed a pulsating generator that uses less electricity