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