Technologies and Scientific Discoveries Crossword

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Across
  1. 4. An instrument used to see tiny objects.
  2. 5. A device used for typing documents before computers became common.
  3. 8. A global network that connects computers worldwide.
  4. 9. A household appliance used to keep food and drinks cold and fresh.
  5. 11. The flow of electric charge that powers modern life.
  6. 13. A flying vehicle with wings.
  7. 14. A method of preventing disease by stimulating immunity.
  8. 15. A device used for long-distance voice communication.
Down
  1. 1. A device used to capture photographs or record videos.
  2. 2. A device used to perform mathematical computations quickly and accurately.
  3. 3. An electronic device used for processing data.
  4. 6. A technology that transmits sound through electromagnetic waves.
  5. 7. A device that transmits moving images and sound.
  6. 10. The first widely used antibiotic.
  7. 12. An instrument used to observe distant objects in space.