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History Explorer Results (19)
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Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
12/30/2020
A New Havel Motor brand pocket watch with black faceplate and radium painted numbers and clock hands. The watch case is made of plated metal and has a ridged winding mechanism at the top. "New Haven Motor" and "Radium" are printed in white lettering on the watch face.In the 1910s–1920s, radium was
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
New United Motor Manufacturing Incorporated (NUMMI) was an auto manufacturing plant in Fremont, California, operated jointly by Toyota and General Motors from 1984 until 2010. GM had operated the plant at Fremont from 1960 where the clashes between management and union workers resulted in the pla
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
The portability of cellular telephones provides users with the ability to make calls from almost anywhere and Motorola was built on portability. The company made car radios in the 1930s and portable radios called walkie-talkies for the U.S. military during World War Two, and played a major role i
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
Motorola produced this BPR 2000 model pager around 1982. Prior to the widespread availability of inexpensive cell phones many people carried telephone pagers to stay in contact with work or home. A miniature radio receiver, a pager alerted the user that someone needed to talk to them and provided
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/28/2016
Motorola produced the DynaTAC cell phone in 1984 after more than a decade of work in cellular research and technology. The Motorola DynaTAC (an abbreviation of Dynamic Adaptive Total Area Coverage) was the first commercially available portable handheld cell phone. The phone was a 9-inches tall, w
Grade Range:
5-12
Resource Type(s):
Primary Sources, Lessons & Activities, Worksheets
Date Posted:
1/22/2011
In these classroom activities, developed for the exhibition America on the Move, students will use visual, analytical, and interpretive skills to examine primary sources including a historical map and photography by Dorothea Lange and answer questions about them to learn more a
Grade Range:
5-12
Resource Type(s):
Primary Sources, Lessons & Activities, Worksheets
Date Posted:
1/22/2011
In these classroom activities, developed for the exhibition America on the Move, students will use visual, analytical, and interpretive skills to examine primary sources including a historical map and answer questions about them to learn more about the expansion of transportati
Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
10/11/2009
Explore the process of invention and compare Thomas Edison's well-known work on the electric light bulb a century ago with several modern lighting inventions with this online activity. This resource looks at the process of innovation through a sequence of five steps: prec
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
Hattie Carnegie, one of a few female entrepreneurs in the early to mid-20th century, was born Henrietta Kanengeiser in Vienna, Austria, in 1886. She came to the United States in 1892. Her first job was as a messenger, sometime milliner, and model in Macy's department store. She decided to change
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
7/8/2008
The Apple Macintosh introduced a graphic user interface (GUI) to the Apple line of computers. The idea had originated at Xerox's Palo Alto Research Center in the 1970s, but Xerox was slow to commercialize it. Apple proved far more successful when it introduced the Macintosh in January 1984, with
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