"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (1259)
Related Books (350)

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:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/20/2009
Mariachis, groups comprised of vocalists, trumpeters, violinists, and various bass and guitar players, are today considered Mexico's traditional musical ensemble. Originally from the state of Jalisco, mariachi music transformed itself from a regional to a national music between the 1930s and 1950

Grade Range:
K-12
Resource Type(s):
Interactives & Media, Lessons & Activities
Date Posted:
1/6/2009
Explore features of the Star-Spangled Banner using this interactive flag included in the online exhibition entitled The Star-Spangled Banner: The Flag that Inspired the National Anthem. Using this interactive tool, students can click on hotspots and learn something new about the fla

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/3/2008
The American flag is a powerful symbol of freedom and independence for many activist groups who wish to claim full rights as citizens . This commercially marketed lap blanket was altered by hand to include the universal access symbol made up of stitched stars.

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
6/10/2009
Called upon by the British government to help fight the French in Canada in 1689, Massachusetts authorities were hard-put to comply, because official money was unavailable. The Hull/Sanderson mint, which had created Pine Tree Shillings and other coins, had been closed on Crown orders years before

Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/28/2016
Before 1954, so-called portable radio receivers used vacuum tubes to receive and amplify signals. The large batteries needed to power most tubes made radios large and heavy. Receivers built with subminiature tubes existed but were expensive. The invention of transistors in 1947 allowed engineers

Grade Range:
K-12
Resource Type(s):
Reference Materials, Primary Sources, Interactives & Media
Date Posted:
3/23/2018
Giving in America is a permanent exhibit that looks at the historical role of philanthropy in shaping the United States. The exhibit showcases four major themes of American philanthropy centered on the questions of “Who Gives?” “Why Do We Give?” “What Do We Give?” and

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/3/2020
First introduced in 2001, the Development, Relief, Education of Alien Minors (DREAM) Act, would address the growing number of undocumented youth in the United States that were unable to continue with their higher education and job prospects. It would also provide a gradual legalization pathway. Howe

Grade Range:
K-12
Resource Type(s):
Lessons & Activities
Date Posted:
9/21/2010
The resources American Indian Perspectives on Thanksgiving, Harvest Ceremony: Beyond the Thanksgiving Myth from the Smithsonian's National Museum of the American Indian examine the deeper meaning of the Thanksgiving holiday for American Indians through the themes

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/19/2010
During his thirteen seasons with the Boston Celtics, Bob Cousy (b. 1928) played in thirteen consecutive All-Star Games and earned two All–Star MVP awards, among many other accolades. This “Houdini of the Hardwood” introduced speed and flamboyant ball-handling skills previously unseen in pro