Inventions When were bar code scanners invented? 1950s 1940s 1960s 1970s 1950s 1940s 1960s 1970s ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Electric mixer Washing machine Vacuum cleaner Blender Electric mixer Washing machine Vacuum cleaner Blender ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1944 1901 1920 1890 1944 1901 1920 1890 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Cotton candy Cracker Jacks Popsicle Banana split Cotton candy Cracker Jacks Popsicle Banana split ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Diving bell Steam boat Rotary steam engine Hot air balloon Diving bell Steam boat Rotary steam engine Hot air balloon ANSWER DOWNLOAD EXAMIANS APP