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