Inventions Who invented Gunpowder? Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? John Kruesi Thomas Edison Alexander Graham Bell Jules Levy John Kruesi Thomas Edison Alexander Graham Bell Jules Levy ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Electricity Early Warning Telephone Television Electricity Early Warning Telephone Television ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Hot air balloon Steam boat Diving bell Rotary steam engine Hot air balloon Steam boat Diving bell Rotary steam engine ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Banana split Cotton candy Popsicle Cracker Jacks Banana split Cotton candy Popsicle Cracker Jacks ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes ANSWER DOWNLOAD EXAMIANS APP
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