118 elements and seven periods, though just one period of high school chemistry is enough to get confused by it. This week, we’re exploring the history behind the periodic table.

The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

As a young boy, John de la Parra’s idea of playtime entailed exploring the plants and crops of his family’s small farm in Boaz, Alabama. His greatest influence was his grandmother, who introduced him ...

One of the nice things about the Internet is that you don’t need huge reference books anymore. You really don’t need big wall charts, either. A case in point: what science classroom didn’t have a ...

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Browse a list of curated classroom activities by the American Association of Chemistry Teachers. Lesson Plans: The Periodic Table and Bonding Download inquiry-based lesson plans and activity sheets to ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Modern science took off during the Enlightenment and changed the world. Science differed from philosophy in that it did not presuppose how nature must be, as the early philosophers tended to do, but ...

Nick Norman does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...