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Grade Range:
K-12
Resource Type(s):
Reference Materials
Date Posted:
9/22/2009
Students and teachers can deepen their understanding of the challenge of climate change through this archived online conference. An excellent professional development resource, the homepage for the online conference provides the conference schedule and speakers, as well as gen
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
8/10/2009
Introduced in 1959, the Xerox 914 plain paper copier revolutionized the document-copying industry. The culmination of inventor Chester Carlson's work on the xerographic process, the 914 was fast and economical. One of the most successful Xerox products ever, a 914 model could make 100,000 copies
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
This Sony "Walkman" portable tape player dates from the early 1980s. Originally introduced in 1979 as the “Soundabout,” two people could listen simultaneously while a small microphone permitted them to converse without removing their headsets. Powered by a 9-volt battery, the recorder sold we
Grade Range:
K-12
Resource Type(s):
Reference Materials
Date Posted:
1/2/2018
World War I provided a testing ground for the application of new medical technologies and procedures and, in some cases, accelerated their general acceptance or development in a much wider context. Simultaneously, wartime medical practice reflected the larger concerns and prejudices of early 20th
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
12/30/2020
Board of Health: OBSERVATION QUARANTINE: Persons other than those of the household and those legally authorized are forbidden to enter. No person other than those authorized by the Board of Health shall remove this placard. Any person or persons defacing, covering up or destroying this placard rende
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
1/2/2022
For decades, teachers drilled American school children using flash cards that gave simple arithmetic problems. The advent of inexpensive electronic calculators in the 1970s made it possible to do much routine arithmetic automatically. To teach school children the meaning of basic operations, new dev
Grade Range:
4-12
Resource Type(s):
Reference Materials
Date Posted:
6/10/2008
In this online exhibition, students will explore the experiences of Japanese Americans who were placed in internment camps during World War II, a period of history when racial prejudice and fear upset the delicate balance between the rights of citizens and the power of the state. The st
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/17/2008
The Blackberry is a handheld wireless Personal Data Assistant (PDA) and communication device. It has a thumb keyboard and a wheel for navigation, as opposed to using a stylus like its competitors. This unit was owned by a law firm partner who arrived at the World Trade Center on September 11, 200
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/3/2008
Cesar Chavez inspired a nation to seek justice for the poorest of America's laborers. A migrant worker since childhood, Cesar Chavez pledged his life to improving the lives of his fellow workers, rather than escape the stark conditions of farm labor. Inspired by the tireless conviction of Mahatma
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
2/2/2012
Thomas Edison used this carbon-filament bulb in the first public demonstration of his most famous invention, the first practical electric incandescent lamp, which took place at his Menlo Park, New Jersey, laboratory on New Year's Eve, 1879. As the quintessential American inventor-hero,
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