97.
Who invented Bakelite?
A. Charles Goodyear
B. Leo Hendrik Baekeland
C. Roy Plunkett
D. Henry Ford
Answer & Explanation
Answer: Option B
Explanation:
Leo Hendrik Baekeland invented the first plastic called Bakelite.
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98.
What toy was invented by Joshua Lionel Cowen around 1900?
A. Raggedy Ann doll
B. Yo-yo
C. Electric train
D. Tinkertoys
Answer & Explanation
Answer: Option C
Explanation:
His middle name, Lionel, is the source of the Lionel Train brand name.
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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.
A. Bessie Blount
B. Marjorie Joyner
C. Mae Jamison
D. Beulah Henry
Answer & Explanation
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.
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100.
What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?
A. Miniature golf
B. Swimming pool slide
C. Ski lift
D. Golf cart
Answer & Explanation
Answer: Option A
Explanation:
It was originally called ‘Tom Thumb Golf’.
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101.
Who invented the phonograph?
A. Thomas Edison
B. John Kruesi
C. Jules Levy
D. Alexander Graham Bell
Answer & Explanation
Answer: Option B
Explanation:
John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph.
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102.
What beverage was invented by Charles Alderton in 1885 in Waco, Texas?
A. Cream soda
B. Coca-Cola
C. Dr. Pepper
D. Sprite
Answer & Explanation
Answer: Option C
Explanation:
The cherry-flavored cola made its debut at Morrison’s Old Corner Drugstore.
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103.
Who invented fuel cells in 1839?
A. Buckminster Fuller
B. Sir William Grove
C. Sylvester Graham
D. Joyce Hall
Answer & Explanation
Answer: Option B
Explanation:
Fuel cells were invented in 1839 by Sir William Grove.
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104.
The ELECTRIC BATTERY, who’s charged with inventing this one?
A. Hertz B. Amper
C. Galvani D. Volta
Answer & Explanation
Answer: Option D
Explanation:
Italian, Alessandro Volta discovered the first practical battery in 1800. Life would be very different without batteries.