Inventions Who invented Bakelite? Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1870s 1890s 1920s 1900s 1870s 1890s 1920s ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Giuseppe Mercalli Hiram Walker Charles Richter Joshua Rumble Giuseppe Mercalli Hiram Walker Charles Richter ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Telegraph Television Dishwasher Radio Telegraph Television Dishwasher Radio ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Turbine Hydraulic Crane The brake used in modern elevators Jet Engine Turbine Hydraulic Crane The brake used in modern elevators Jet Engine ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Frisbee Monopoly Ouija board Ping Pong Frisbee Monopoly Ouija board Ping Pong ANSWER DOWNLOAD EXAMIANS APP
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