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