"The Encyclopedia of Life is an unprecedented global partnership between the scientific community and the general public. Our goal is to make freely available to anyone knowledge about all the world's organisms. Anybody can register as an EOL member and add text, images, videos, comments or tags to EOL pages. Expert curators ensure quality of the core collection by authenticating materials submitted by diverse projects and individual contributors. Together we can make EOL the best, most comprehensive source for biodiversity information."
Previously named FirstGov.gov, this portal opens to a staggering array of information about the United States. Pull down "Explore Topics" and/or "Audiences" to "Teens" for a plethora of choices.
"Science.gov searches over 42 databases and over 2000 selected websites from 14 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results."
"An image database of over 7,000 U.S. and Canadian advertisements covering five product categories - Beauty and Hygiene, Radio, Television, Transportation, and World War II propaganda - dated between 1911 and 1955."
This link is from Gale's Student Resources in Context (formerly Student Resource Center Gold). This link is an example of how you can "share" articles from Student Resources with others through DIIGO!
"Documenting the American South (DocSouth) is a digital publishing initiative that provides Internet access to texts, images, and audio files related to southern history, literature, and culture. Currently DocSouth includes fourteen thematic collections of books, diaries, posters, artifacts, letters, oral history interviews, and songs." Sponsored by the University of North Carolina at Chapel Hill.
"The Digital Library for Earth System Education (DLESE) is a distributed community effort involving educators, students, and scientists working together to improve the quality, quantity, and efficiency of teaching and learning about the Earth system at all levels." The site includes etensive Educational Resources and Earth Science Literacy Maps, and allows you to narrow your search by Grade Level, Resource Type, Collections, and Standards.
"This site allows you to search and view newspaper pages from 1860-1922 and find information about American newspapers published between 1690-present. Chronicling America is sponsored jointly by the National Endowment for the Humanities and the Library of Congress as part of the National Digital Newspaper Program (NDNP)."
"A collaborative project between the University of Michigan Humanities Text Initiative (HTI) and the University of Michigan Press. The project is assembling an electronic archive of volumes of American poetry prior to 1920."
The U.S. Department of Census presents extensive population, housing, economic, and geographic data. Quirky information includes such items as time spent commuting to work.
"The World Digital Library (WDL) makes available on the Internet, free of charge and in multilingual format, significant primary materials from countries and cultures around the world." From a map of the world, click on a country and then choose from place, time period, topic, or type of item (maps).
The premier site for primary sources. Click on the "Classroom Materials" link for Lesson Plans, Themed Resources, Primary Source Sets, Presentations & Activities, and Collection Connections
"A list of reviewed resources that offer a chance for you and your students to get to know one another." Click on the "TeachersFirst keyword search" link to narrow the results by grade level and topic.