Across
- 3. These substances save lives by treating bacterial infections.
- 5. A machine that enables the mass production of books and newspapers.
- 9. This engine type is widely used in cars and is powered by the controlled explosion of fuel.
- 10. A critical source of power for machines before electricity.
- 12. An important invention for creating illumination, thanks to electricity.
- 13. A simple machine that revolutionized transport, it's round and rolls.
Down
- 1. A computer is an electronic device that can process and store data, perform calculations, and execute various instructions based on the programs or software installed on it.
- 2. A solid material often used for building roads and structures.
- 4. The invention that helps people fly long distances in the air.
- 6. This invention allows people to search for and access vast amounts of information.
- 7. A simple machine used to turn soil and prepare fields for planting.
- 8. You need it to power steam engines and cook your food.
- 11. This invention paved the way for high-speed communication across distances using electrical signals.