Class VII

Where were wigs first invented?
  1. Japan
  2. France
  3. Egypt
  4. China
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
  1. Robert Oppenheimer
  2. James B. Conant
  3. Leslie R. Groves
  4. Vannevar Bush
What device for new parents did Ann Moore invent in 1969?
  1. Bottle warmer
  2. Baby monitor
  3. Disposable diaper
  4. Infant carrier
In which decade was the transistor invented?
  1. 1940s
  2. 1950s
  3. 1960s
  4. 1980s
Michael Faraday discovered
  1. electromagnetism
  2. benzene, liquid gases and optical glass
  3. the induction of electric current
  4. All of the above
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