Inventions

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Across
  1. 2. Was invented by mesopotamians around 3500 b.c
  2. 7. Who invented light bulb?
  3. 8. Someone who invents things
  4. 9. Invented in 1903 by Wright brothers
  5. 11. Famous American inventor
Down
  1. 1. What theory did Albert Einstein develope?
  2. 3. Chemical explosive invented in china
  3. 4. engine Invented by James watt in 1763-1775
  4. 5. Navigation device invented before 300 b.c
  5. 6. One of the greatest inventors of the 16 century
  6. 10. Was invented in china 100 b.c