Inventions and discoveries

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Across
  1. 2. A circular object that rotates around an axle, used for transportation.
  2. 4. A device that receives and broadcasts sound using electromagnetic waves.
  3. 5. A human-powered vehicle with two wheels, used for transportation.
  4. 8. engine An invention that played a significant role in the industrial revolution.
  5. 9. press An invention that revolutionized the mass production of books and newspapers.
  6. 10. bulb An electric device that produces light when switched on.
  7. 13. A powered flying vehicle that carries passengers through the air.
  8. 14. A form of energy that powers many devices and lights up our homes.
  9. 16. A device used to communicate with others over long distances by voice.
Down
  1. 1. A device that keeps food and drinks cool and prevents spoilage.
  2. 3. A technology that allows us to see through objects and inside the human body.
  3. 6. A machine that processes information and allows us to perform various tasks.
  4. 7. An instrument used to magnify and examine tiny objects or organisms.
  5. 11. An instrument used to observe distant objects in space.
  6. 12. The first antibiotic discovered by Alexander Fleming, used to treat infections.
  7. 15. A device used to capture and preserve images and memories.