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