Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Etch-A-Sketch Silly Putty Lite-Brite Play-Doh Etch-A-Sketch Silly Putty Lite-Brite ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Margaret Knight Amanda Jones Marjorie Joyner Mary Kies Margaret Knight Amanda Jones Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Michael Faraday Thomas Alva Edison Fahrenheit Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison Fahrenheit Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Hammock Captain's chair Sofa bed Waterbed Hammock Captain's chair Sofa bed ANSWER DOWNLOAD EXAMIANS APP
Inventions 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? James B. Conant Robert Oppenheimer Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer Vannevar Bush Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
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