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Related Books (5)
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Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/19/2009
The sheer size of the California gold strike altered the nature of American numismatics. It was not only that mintage figures dramatically increased; the actual range of denominations increased as well.  Prior to 1849, there had been three gold coins: the quarter eagle, half eagle, and eagle
Grade Range:
K-12
Resource Type(s):
Reference Materials
Date Posted:
9/22/2009
Students and teachers can deepen their understanding of the challenge of climate change through this archived online conference. An excellent professional development resource, the homepage for the online conference provides the conference schedule and speakers, as well as gen
Grade Range:
9-12
Resource Type(s):
Reference Materials
Date Posted:
3/18/2009
America's worst accident at a civilian nuclear power plant occurred on March 28, 1979. This online exhibition provides information about the Three Mile Island nuclear power plant, the course of the accident there and the steps-extending over almost 15 years-through which the nature and extent of
Grade Range:
6-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/27/2008
This is an anatomical model of a woman, complete with removable parts. The kit includes a clear plastic body or shell, a "complete" skeleton, "all vital organs," and a round plastic display stand. The kit was designed as an educational tool to teach basic anatomy. The intructions explain how to a
Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
7/13/2012
In this post, students will learn about the concept of eco-cities (cities designed to be in balance with nature) and their impact on the sustainability movement. Written by Art Molella, Jerome and Dorothy Lemelson Director of the Lemelson Center for the Study of Invention and Innovation, thi
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