Across
- 1. comunity has invented wheel has been very important in the world
- 3. has invented calculator
- 4. television was very important because with the television people are entertained
- 7. has invented the airplane
- 8. has invented antibiotic or medicine has served to save the world for many years
- 9. engine was used to create the train
Down
- 2. Bell has invented phone first that existed but before it had another name
- 5. powder has been used for ancient weapons
- 6. has invented printing press was the first printer