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History Explorer Results (11)
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Grade Range:
6-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
3/9/2016
Labor leaders often rose from the ranks to secure for fellow workers a living wage, safer working conditions, shorter hours, and balance the scales of economic justice through direct action as well as state and federal legislation. In this video series, learn about 5 labor leaders. 
Grade Range:
Resource Type(s):
Artifacts
Date Posted:
4/25/2018
Custom-made in 1989 by the Minneapolis, Minn., firm of Knut-Koupee Enterprises, this Yellow-cloud electric guitar was designed and used by Prince. The musician's distinctive personal symbol adorns both the top and the side of the fingerboard. Custom work for famous instrumentalists and musicians
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
This employee identification badge belonged to a female worker with employee number 9897 at the MacArthur Brothers Bag Loading Plant in Woodbury, New Jersey, in 1918. The plant was built and operated by the MacArthur Brothers Company. The contracting company, established in 1826, also built Camp
Grade Range:
1-6
Resource Type(s):
Lessons & Activities
Duration:
10 minutes
Date Posted:
8/29/2012
Make nano-art and think about its connection to modern technology. This activity from Spark!Lab includes step-by-step directions, discussion questions, and ideas for extending your learning. Spark!Lab activities encourage young learners to explore the invention process, from creative ideas all th
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/23/2012
This is a set of eight "dropping sticks" used to teach acoustics. It was made in Paris by the famous scientific instrument maker Rudolph Koenig, sometime between 1858 and 1902. This particular set was used in the introductory physics class of the Worcester Polytechnic Institute. These s
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
4 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses the science behind and uses for tuning forks, including demonstrations of tuning forks on resonators, the Grand Tonometer, a
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
12/31/2009
In the early days of electronic computers, memory was not as efficient or inexpensive as it is today. To save memory space, programs stored as few digits as possible for dates. In COBOL, for instance, January 1, 1999, was stored as 010199. As Year 2000, or Y2K for short, approached, it became app
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/10/2009
To determine volume, weight, temperature, and time, cooks use measuring cups and spoons (for liquids and dry ingredients), thermometers of all sorts for the oven, freezer, or deep-fat fryer; for chocolate, dough, meat, candy, and jelly; scales for liquids and solids; salometers or hydrometers to
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
1/22/2009
This small piece of yellow metal is believed to be the first piece of gold discovered in 1848 at Sutter's Mill in California, launching the gold rush. John Marshall was superintending the construction of a sawmill for Col. John Sutter on the morning of January 25, 1848, on the Sout
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/20/2008
WANN represents a significant moment in American cultural history-the rise of black-oriented broadcasting. Although blacks constituted 10 percent of the population, black interest in broadcasting on any scale, didn't begin until 1948. That year WDIA in Memphis became the first station to go to a
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