"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (1259)
Related Books (349)
Grade Range:
K-12
Resource Type(s):
Lessons & Activities
Date Posted:
8/2/2016
Grab Bag Inventing is an activity that allows participants to try playful inventing and helps them recognize their own creative abilities. Participants work together in small groups to design inventions using common materials.
Grade Range:
9-12
Resource Type(s):
Interactives & Media
Duration:
60 minutes
Date Posted:
5/27/2016
During World War II, the United States government forcibly removed over 120,000 Japanese Americans from the Pacific Coast. These individuals, two-thirds of them U.S. citizens, were sent to ten camps built throughout the western interior of the United States. Many would spend the next three years
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):
Artifacts
Date Posted:
4/7/2016
This cotton miner’s cap has a leather brim with a leather lamp bracket holding a carbide lamp. A small union pin that reads “United Mine Works of America 2 1934, Working Button” is attached to the side of the cap. Before head protection became mandatory in industrial workplaces, miner’s c
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
Originally sold in 2001 by Apple Inc. as a portable music player exclusively for Macintosh’s operating system, the iPod’s market share began to grow as it included Windows operability in 2002 and introduced its iTunes Store in 2003. In June of 2004 this fourth generation iPod was announced, n
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
Research in Motion (RIM) produced this Blackberry model 957 Internet Edition in 2000. The first Blackberry was introduced in 1999 as a two-way pager before pivoting to become a device featuring an always-connected e-mail with personal digital assistant functionality. The Blackberry 957 came with
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
In 1851 Isaac Merritt Singer formed the I.M. Singer & Company (later the Singer Sewing Machine Company) after inventing his own sewing machine to remedy a flaw he noticed with traditional models.
This Singer 24 chain stitch sewing machine was manufactured in 1910, and used in t
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
The National Cash Register Company produced this Model 421 cash register around 1914. The register was used in a Marshall Field & Company department store. The register has three columns of keys for entering numbers, and a fourth column of function keys. The operating crank is on the right si
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
This is a copper chocolate pot with a removable lid. It is an example of an English Georgian chocolate pot, but was most likely made in the United States. The stepped lid has a small cover that pivots on a rivet for a molinillo (whisk) opening. It has a seamed and dovetailed body with an elongate
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
Invention rarely stops when the inventor introduces a new device. Thomas A. Edison and his team worked to improve his electric lighting system for some years after the initial introduction in 1880. This lamp shows the changes made after six years of labor aimed at lowering costs and increasing pr
