Welcome back! :)
Here you have some links on famous inventions. Take a look at them and answer the questions below in your folders.
http://en.wikipedia.org/wiki/Invention
http://www.invent.org/hall_of_fame/140.html
http://www.invent.org/hall_of_fame/155.html
http://www.invent.org/hall_of_fame/106.html
http://www.invent.org/hall_of_fame/117.html
http://www.invent.org/hall_of_fame/60.html
http://www.ideafinder.com/history/inventions/lightbulb.htm
Questions:
1. What is an invention? When does it obtain the legal protection of a patent?
2. Who held many patents on automotive mechanisms? Did his profits increase because of his inventions? How much?
3. When was the light bulb invented? Who invented it?
4. True or False?
a. Thomas Alva Edison is recognized as the father of the modern digital computer.
b. Steve Wozniak introduced the Apple II personal computer in 1967.
c. Samuel F. B. Morse was born in April 27th 1791. He invented the telegraph.
d. The intercarrier sound system is still used in all television receivers.
Good luck!