The U.S. Constitution was delivered with a letter of introduction. Part background, part persuasion, George Washington's cover letter provides a behind-the-scenes look at how a new government came to be designed (USA: iCivics 2018). 

This site from the physics department at the University of Toronto offers up over 100 helpful animations that cover quantum mechanics, vectors, waves, relativity, and optics (2014).

The Academic Info History Gateway provides access to a wide range of historical websites. The links cover world history and can be browsed geographically or thematically (U.K. 2010).

Greenpeace journalists cover the environment, from forests and oceans to bees and air pollution, as well as the politics and economics that underpin them (UK 2021).

The collection contains classroom resources from the UK National Archives that cover numerous aspects of (primarily) British history from 1066 CE to the present day (U.K. 2018).

Michael Dugdale’s phrase sheets that can be accessed via this page cover a variety of topics discussed in English courses 11.1 to 13.2 in accordance with the curriculum. They deal with some of the basic vocabulary and phrases that students will find useful in working on these topics.

ʺLearn English for free with 1736 video lessons by experienced native-speaker teachers. Classes cover English grammar, vocabulary, pronunciation, IELTS, TOEFL, and more. Join millions of ESL students worldwide who are improving their English every day with engVid.ʺ Quelle: Anbieter (2021)

This site brings together environmental ethics case studies which cover everything from GMOS to the fluoridation of drinking water, including ”Food Aid and Population Control,” ”Reviving Extinct Species,” and ”Progress vs. Family Tradition”. Resources can be filtered by Grade/Age level or Pedagogy (American Physiological Society 2013)

This archive in American History contains more than 65,000 items that cover five hundred years of American history, from Columbus’s 1493 letter describing the New World to soldiers’ letters from World War II and Vietnam (USA 2018). 

Germany’s health-care system spends nearly half as much as the United States but still manages to cover 100% of its population through a mix of public and private insurance schemes (11 minutes / USA: CNBC 2019-21).