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  2. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools, glassware, and equipment. Chemistry is a physical science concerned with the composition, structure, and properties of matter , as well as the changes it undergoes during chemical reactions ...

  3. Tin sources and trade during antiquity - Wikipedia

    en.wikipedia.org/wiki/Tin_sources_and_trade...

    While Sardinia does not appear to have much in terms of significant sources of tin, it does have rich copper and other mineral wealth and served as a centre for metals trade during the Bronze Age and likely actively imported tin from the Iberian Peninsula for export to the rest of the Mediterranean.

  4. Isotope analysis - Wikipedia

    en.wikipedia.org/wiki/Isotope_analysis

    Archaeological materials, such as bone, organic residues, hair, or sea shells, can serve as substrates for isotopic analysis. Carbon, nitrogen and zinc isotope ratios are used to investigate the diets of past people; these isotopic systems can be used with others, such as strontium or oxygen, to answer questions about population movements and cultural interactions, such as trade.

  5. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.

  6. Wikipedia:Identifying reliable sources (science) - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Identifying...

    This page in a nutshell: Cite reviews, don't write them. Appropriate sources for discussing the natural sciences include comprehensive reviews in independent, reliable published sources, such as recent peer reviewed articles in reputable scientific journals, statements and reports from reputable expert bodies, widely recognized standard textbooks written by experts in a field, or standard ...

  7. Wikipedia:Reliable sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Reliable_sources

    Don't "teach the controversy" (phrase doesn't mean what you think it does) Frequently misinterpreted sourcing policy; Identifying reliable sources (history) Identifying reliable sources (law) Identifying reliable sources (science) Identifying and using tertiary sources; Identifying and using style guides; NPOV means neutral editing, not neutral ...

  8. Timeline of chemistry - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_chemistry

    An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.

  9. Primary source - Wikipedia

    en.wikipedia.org/wiki/Primary_source

    This wall painting found in the Roman city of Pompeii is an example of a primary source about people in Pompeii in Roman times (portrait of Terentius Neo).. In the study of history as an academic discipline, a primary source (also called an original source) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time ...