Inventions Which scientist discovered the radioactive element radium? Albert Einstein Isaac Newton Marie Curie Benjamin Franklin Albert Einstein Isaac Newton Marie Curie Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Ernest Just Jan Ernst Matzeliger Elijah McCoy Lewis Latimer Ernest Just Jan Ernst Matzeliger Elijah McCoy ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Infant carrier Baby monitor Disposable diaper Bottle warmer Infant carrier Baby monitor Disposable diaper Bottle warmer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? Roger Penrose George Gamow Michael Skube Albert Einstein Roger Penrose George Gamow Michael Skube Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Raggedy Ann doll Yo-yo Electric train Tinkertoys Raggedy Ann doll Yo-yo Electric train Tinkertoys ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Steam boat Diving bell Rotary steam engine Hot air balloon Steam boat Diving bell Rotary steam engine Hot air balloon ANSWER DOWNLOAD EXAMIANS APP
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