81.

Who invented Dynamite?
A. Sir Alexander Graham Bell B. Benjamin Franklin
C. Thomas Alva Edison D. Alfred B. Nobel
Answer and Explanation
Answer:D
Explanation: No answer description available for this question
82.

What toy did George Lerner create for Hasbro company in 1952?
A. Sit and Spin B. Talking baby doll
C. Mr. Potato Head D. Hula hoop
Answer and Explanation
Answer:C
Explanation: This was a plastic potato-shaped body on which you could stick different features, such as eyes, ears, etc.
83.

For whom high heeled shoes were invented?
A. Cleopatra B. Queen Elizabeth I
C. King Louis the XIV D. King Charles II
Answer and Explanation
Answer:C
Explanation: King Louis XIV was very short and didn't like looking up at people he spoke to, so he had a tall pair of shoes made for him.
84.

What African-American inventor received 5 patents in the field of shoemaking?
A. Elijah McCoy B. Jan Ernst Matzeliger
C. Ernest Just D. Lewis Latimer
Answer and Explanation
Answer:B
Explanation: Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.
85.

It travels over land and water. Who invented the HOVERCRAFT?
A. S. Sperrow B. O. Stricheg
C. T. Henman D. C. Cockerell
Answer and Explanation
Answer:D
Explanation: Christopher Cockerell invented the hovercraft in 1956. His early experiments with the idea involved a cat food tin, a coffee tin and an industrial blower.