The Philadelphia Science Festival wraps up this weekend. You can find out how to get involved by visiting http://www.philasciencefestival.org/. And before you head out, match the scientist with the discovery or achievement (courtesy of the Science Channel's 100 Greatest Discoveries).
1. Nicolaus Copernicus a) Classification of species
2. Charles Darwin b) DNA is a double helix
3. Albert Einstein c) Earth, not the sun, moves
4. Galileo Galilei d) General relativity
5. Johannes Kepler e) Law of falling bodies
6. Carl Linnaeus f) Laws of motion
7. Barbara McClintock g) Planetary orbits are eliptical
8. Gregor Mendel h) Rules of heredity
9. Isaac Newton i) Some genes can "jump."
10. James Watson and j) Theory of natural selection
Francis Crick
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Answers : 1. c ; 2. j ; 3. d ; 4. e ; 5. g ; 6. a ; 7. i ; 8. h ; 9. f ; 10. b
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