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History Explorer Results (136)
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Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/10/2008
During World War II, the U.S. military needed to find accurate ways to guide missiles to their targets. Harvard University psychologist B. F. Skinner suggested that a missile nose cone be supplied with three compartments, each with a window. A pigeon would be placed in each section, and trained t
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/6/2008
Before the famous California gold rush, several important strikes were made in the East: in North Carolina, South Carolina, and Georgia. The earliest took place in Mecklenburg County, N.C., in 1799, where a nugget weighing several pounds was discovered. Its finder used it as a doorstop until some
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/6/2008
During World War I, machine guns were heavy, crew-served weapons. Their operation required several soldiers. Even so-called light machine guns could not easily be handled by single soldiers. To meet the need for an individual rapid-fire weapon, several inventors devised submachine guns. Light eno
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/5/2008
Once a new national government had been established under a new Constitution, attention naturally turned to ways of proclaiming national identity. A new, national coinage was one way of doing so, especially if it featured patriotic new images, rather than the endless sequence of crowned monarchs
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/4/2008
When the Depression and resulting banking crisis hit their community, the residents of the coastal town of Pismo Beach, California picked an unusual but logical medium of exchange. Perhaps with tongue in cheek, the merchants and officials of Pismo Beach decided to make the best of a bad situation
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/27/2008
Andreas Vesalius (1514–1564), an early European physician and professor of medicine, wrote an important treatise on the human body, published in 1543. He provided detailed illustrations that demonstrated muscle structure and other features of human anatomy, based on his work dissecting cadavers
Grade Range:
4-12
Resource Type(s):
Reference Materials
Date Posted:
10/21/2008
Students can learn about the Caldwell's and the anti-slavery movement by investigating a room from their house, a newspaper article from 1839, and artifacts from the period. Josiah and Lucy Caldwell believed in the moral power of home and family, and their beliefs inspired a radical mission.
Grade Range:
4-12
Resource Type(s):
Reference Materials, Primary Sources
Date Posted:
10/14/2008
Students can use this online collection search to explore hundreds of artifacts related to America's military history. The objects are part of an online exhibition, The Price of Freedom: Americans at War.
Grade Range:
4-12
Resource Type(s):
Reference Materials
Date Posted:
10/14/2008
From 1861-1865, Americans battled over preserving their Union and ending slavery.  The Civil War is the focus of this section of The Price of Freedom: Americans at War, an online exhibition. This pivotal and complicated period of American history is divided into sections that allow
Grade Range:
4-12
Resource Type(s):
Reference Materials
Date Posted:
10/14/2008
Students will learn how a "cold war" between the United States and the Soviet Union began after World War II in this section of the online exhibition The Price of Freedom: Americans at War. Americans led Western efforts to contain Communism. The Marshall Plan, the Berlin Airlif
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