Crucigrama SCIENTISTS AND INVENTORSVersión en línea WHO WERE THEY? por Martha Bahena Roa 1 Invented the printing press. 2 Invented the lightning rod. 3 Came up with the Theory of Relativity. 4 Founded the science of germ theory. 5 Discovered the first antibiotic named Penicilin 6 Pioneered the use of the telescope. 7 He discovered gravity. 8 Brothers who invented the airplane. 9 Made the first movie. 10 Physicist who discovered radioactivity. 11 Chef George invented potato chips in 1853. 12 Invented the telephone. 9 10 2 5 4 12 6 3 7 8
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