Inventions What African-American inventor received 5 patents in the field of shoemaking? Jan Ernst Matzeliger Elijah McCoy Lewis Latimer Ernest Just Jan Ernst Matzeliger Elijah McCoy Lewis Latimer Ernest Just ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1915 1920 1911 1919 1915 1920 1911 1919 ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Dynamite Race cars Ladders Parachute Dynamite Race cars Ladders Parachute ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Bottle warmer Infant carrier Disposable diaper Baby monitor Bottle warmer Infant carrier Disposable diaper Baby monitor 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
Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Silly Putty Etch-A-Sketch Lite-Brite Play-Doh Silly Putty Etch-A-Sketch Lite-Brite ANSWER DOWNLOAD EXAMIANS APP
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