Across
- 4. where you send the letters you send
- 6. vegetables eaten by rabbits in the drawings
- 8. a system that turns sound waves into electrical signals so that sound can be transmitted over long distances.
- 9. Are used to treat infections caused by bacteria. They work by killing bacteria or preventing their growth.
- 10. is a global network of billions of computers and other electronic devices.
Down
- 1. are found in parks and are used for seating
- 2. They have contributed to the history of mankind.
- 3. motor vehicle used to move around the city
- 5. Logie Baird I invented the television
- 7. da Vinci built submarines, tanks, guns, created plans for helicopters. Greatest genius.