Inventions That Changed the World

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Across
  1. 2. Navigation tool that uses Earth's magnetic field
  2. 6. Device used to broadcast moving images and sound
  3. 7. Global network connecting computers worldwide
  4. 10. Focused beam of light used in many technologies
  5. 12. Self-propelled vehicle for road transportation
  6. 13. Early machine for recording and playing sound
  7. 15. Electronic machine for processing information
  8. 16. System used for precise navigation and location tracking
  9. 17. Machine-readable code used for product identification
  10. 20. Early communication system using coded signals
  11. 21. Device that stores and supplies electrical energy
  12. 22. Invention that enabled mass production of books
  13. 23. Instrument used to observe tiny organisms and structures
  14. 25. Machine used to transport people between floors
  15. 26. Imaging technology that allows viewing inside the body
  16. 28. Machine that powered the Industrial Revolution
  17. 29. Electric invention that illuminated homes and cities
  18. 30. Instrument that expanded our understanding of space
Down
  1. 1. Medical innovation used to prevent disease
  2. 3. Portable device combining communication and computing
  3. 4. First widely used antibiotic medicine
  4. 5. Device used for mathematical calculations
  5. 8. Flying machine pioneered by the Wright brothers
  6. 9. Appliance used to keep food cold and fresh
  7. 11. Ancient invention that revolutionized transportation
  8. 14. Object launched into orbit for communication and research
  9. 18. Technology that transmits audio signals wirelessly
  10. 19. Early machine used for writing documents
  11. 24. Device used to capture photographs
  12. 27. Device invented to transmit voices over distance