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? Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? Car door reflecting mirrors Sun light on steel posts on road sides The light a cat's eyes gave off on a fence The sun light on the windshield Car door reflecting mirrors Sun light on steel posts on road sides The light a cat's eyes gave off on a fence The sun light on the windshield ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering Lewis Edson Waterman Sir William Grove George Fountain Charles Kettering ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? John Christopher Baxter John Christopher Ballantyne Joseph Cyril Bamford Jack Croxford Baker John Christopher Baxter John Christopher Ballantyne Joseph Cyril Bamford Jack Croxford Baker ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Clarinet Harmonium Banjo Oboe Clarinet Harmonium Banjo Oboe ANSWER DOWNLOAD EXAMIANS APP
Inventions What drink was invented by Charles Leiper Grigg in 1929? Yoo-Hoo Hawaiian Punch Pepsi 7-Up Yoo-Hoo Hawaiian Punch Pepsi 7-Up ANSWER DOWNLOAD EXAMIANS APP
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