Inventions and Discoveries

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Across
  1. 3. – Invented by Alfred Nobel, used in construction and mining
  2. 7. – Invention that changed food preservation
  3. 9. – Edison's invention for electric lighting
  4. 10. – Electronic devices for processing data, developed over decades
  5. 13. – Edison’s famous invention
  6. 14. – Smallpox vaccine developed by Edward Jenner
  7. 15. – One of the earliest human inventions
  8. 16. – Invented by Elias Howe and improved by Isaac Singer
  9. 17. – Powered the Industrial Revolution, developed by James Watt
  10. 20. – Invented by Alexander Graham Bell
Down
  1. 1. – Discovered by Wilhelm Roentgen, used in medical imaging
  2. 2. – Antibiotic discovered by Alexander Fleming
  3. 4. – First successful powered flight by the Wright brothers
  4. 5. – Wireless communication system invented by Marconi
  5. 6. – Invention by Gutenberg that revolutionized publishing
  6. 8. – Discovered by Benjamin Franklin, harnessed by Edison
  7. 11. – Tool for magnifying small objects, improved by Antonie van Leeuwenhoek
  8. 12. – Invention that brought moving pictures into homes
  9. 18. – A global network developed in the late 20th century
  10. 19. – Flying machine developed by Igor Sikorsky