This is a thumbnail of the "Scientists #2 Letter-Flow Printable Word Puzzle" page. Fill in the names of the scientists. When a line connects two (or more) boxes, those boxes each contain the same letter. Answers: Gregor Mendel, Michael Faraday, Enrico Fermi, Alessandro Volta, Stephen Hawking, Watson and Crick, Nikola Tesla, Paul Dirac, Christian Huygens, Sigmund Freud. The full-size printout is available only to site members.

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