Inventions What toy was invented by Joshua Lionel Cowen around 1900? Tinkertoys Yo-yo Electric train Raggedy Ann doll Tinkertoys Yo-yo Electric train Raggedy Ann doll ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Popsicle Cotton candy Cracker Jacks Banana split Popsicle Cotton candy Cracker Jacks Banana split 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 inspired reflecting road lights to be invented? The light a cat's eyes gave off on a fence Car door reflecting mirrors Sun light on steel posts on road sides The sun light on the windshield The light a cat's eyes gave off on a fence Car door reflecting mirrors Sun light on steel posts on road sides The sun light on the windshield 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? Harmonium Banjo Oboe Clarinet Harmonium Banjo Oboe Clarinet ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron Nuclear reactor X ray machine Cyclotron Betatron Nuclear reactor X ray machine Cyclotron ANSWER DOWNLOAD EXAMIANS APP
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