| 97. | Who invented Bakelite? | |||||||
Answer: Option B Explanation: Leo Hendrik Baekeland invented the first plastic called Bakelite. |
| 99. | This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece. | |||||||
Answer: Option A Explanation: Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government. |
| 100. | What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927? | |||||||
Answer: Option A Explanation: It was originally called ‘Tom Thumb Golf’. |
| 101. | Who invented the phonograph? | |||||||
Answer: Option B Explanation: John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph. |
| 102. | What beverage was invented by Charles Alderton in 1885 in Waco, Texas? | |||||||
Answer: Option C Explanation: The cherry-flavored cola made its debut at Morrison’s Old Corner Drugstore. |
| 103. | Who invented fuel cells in 1839? | |||||||
Answer: Option B Explanation: Fuel cells were invented in 1839 by Sir William Grove. |
| 104. | The ELECTRIC BATTERY, who’s charged with inventing this one? | |||||||
Answer: Option D Explanation: Italian, Alessandro Volta discovered the first practical battery in 1800. Life would be very different without batteries. |