Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Giuseppe Mercalli Charles Richter Hiram Walker Joshua Rumble Giuseppe Mercalli Charles Richter Hiram Walker ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Ernest Just Lewis Latimer Jan Ernst Matzeliger Elijah McCoy Ernest Just Lewis Latimer Jan Ernst Matzeliger Elijah McCoy ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? Sir Frank Whittle Kirkpatrick Macmillan John J. Loud Lewis E. Waterman Sir Frank Whittle Kirkpatrick Macmillan John J. Loud Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Monopoly Ping Pong Frisbee Ouija board Monopoly Ping Pong Frisbee Ouija board ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bicycle? Leo H Baekeland Evangelista Torricelli Kirkpatrick Macmillan Karl Benz Leo H Baekeland Evangelista Torricelli Kirkpatrick Macmillan Karl Benz ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Alessandro Volta Thomas Edison James Hargreaves John Wilkinson Alessandro Volta Thomas Edison James Hargreaves John Wilkinson ANSWER DOWNLOAD EXAMIANS APP