Technologies and Scientific Discoveries

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Across
  1. 4. Medical process that helps prevent diseases.
  2. 6. A medicine discovered by Alexander Fleming that kills bacteria.
  3. 10. Flow of electrons that powers most modern devices.
  4. 12. Used to send voice messages over long distances.
  5. 13. Used to see very small organisms or objects.
  6. 14. Sends and receives sound signals through the air.
  7. 15. The invention that powered the Industrial Revolution.
Down
  1. 1. Early invention that allowed mass production of books and newspapers.
  2. 2. A machine designed for flying through the air.
  3. 3. The molecule that carries genetic information in living things.
  4. 5. Technology that enables machines to think and learn like humans.
  5. 7. Machine that performs calculations and processes data.
  6. 8. A device used to observe distant objects in the sky.
  7. 9. Produces light through electricity.
  8. 11. A global network connecting computers worldwide.