I. What is his name? Thomas Alva Edison Christiaan Huygens Levi Strauss

II. What is his name? Levi Strauss Louse Braille Douglas Engelbart

III. What is his name? Percy LeBaron Spencer Alfred Nobel Levi Strauss

IV. What is his name? Douglas Engelbart Louse Braille Barthelemy Thimonnier

V. What is his name? Laszlo Biro John Harrington Levi Strauss

I. What invention is it? A system for talking to somebody else over long distances Radio or wires are used Was invented by A. Bell

II. What invention is it? It was invented in 1830 Barthelemy Thimonier invented it It is used for sewing cloth

III. What invention is it? Everyone has it at home It gives us light It was invented by Thomas Alva Edison

IV. What invention is it? They are made of cotton Everyone wears them They are blue Levi Strauss invented them

V. What invention is it It is a powerful explosive It can destroy buildings It was invented by Alfred Nobel

I. When was it invented? A. 1784 B. 1884 C. 1984

II. When was it invented? A. 1694 B. 1498 C. 1849

IV. When was it invented? A. 1803 B. 1830 C. 1993

V. When was it invented? A. 1502 B. 1902 C. 2002