| Benjamin Franklin, American scientist and inventor (1706–1790)
B. Franklin was an inventor. Among his _______ were the lightning rod, glass armonica, Franklin’s stove, bifocal glasses etc but he never patented them. His discoveries resulted from his of ________ electricity. Franklin proposed that "vitreous" and "resinous" electricity were not different types of "electrical fluid" (as electricity was called then), but the same electrical fluid under different __________. He was the _______ to label them as positive and ________, and he was the first to discover the principle of _________of charge.
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B) Put 5 questions to the text you have read. Tell your partners from other groups the information you have read and ask them to answer your questions.
C) What information about these scientists which was not mentioned in the texts do you know?
