Chapter 18 sec 1,2,3 vocab Crossword

5. to change; to make different.
8. wanted to build a devive that would carry the human voice.
9. make free from impurities.
10. or businesses owned by many investor.
11. tested a gas-powered airplane at Kitty Hawk, North Carolina.
12. is someone who sets up new businesses to make a profit.
13. a poor Scottish immigrant.
16. the system in which privately owned businesses compete freely.
18. to increase in speed.
19. “invention factory” at Menlo Park NJ light bulb and hundreds more inventions
22. an business giant. Was the son of a peddler in New York.
24. is a manufacturing method in which a product is put together as it moves along a belt.
25. a document giving someone the sole right to make and sell an invention/product

1. to get rid of
2. to give good reason for an action.
3. the rapid growth of city populations.
4. Addams a reformer that worked hard for poor city dwellers.
6. unions negotiate with management for workers as a group.
7. is a group of corporations run by a single board of directors.
14. place where people receive medical treatment, often for free or for a small fee.
15. is a center offering help to the urban poor.
17. an American manufacture, made the automobile available to millions.
20. formed a new union called the American Federation of Labor, or AFL.
21. is a company that controls most or all business in a particular industry.
23. buildings divided into many tiny apartments.