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Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/27/2008
This spur, worn over a riding boot, was made in Mexico in the mid-1800s. Rubbed against the animal's side, spurs are one of the instruments that riders use to direct horses. The spikes on this spur are set on a small wheel called a rowel, making this a rowel spur. Horses and good riding equipment
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/27/2008
Yorick is a plastic male skeleton imbedded with electronic and mechanical devices used to replace worn body parts. Yorick was created by Ed Mueller, an engineer in the Division of Mechanical and Material Sciences at the United States Food and Drug Administration (FDA), in Washington, D.C.
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/9/2008
The astrolabe is an astronomical calculating device used from ancient times into the eighteenth century. Measuring the height of a star using the back of the instrument, and knowing the latitude, one could find the time of night and the position of other stars. The openwork piece on the front, ca
Grade Range:
4-12
Resource Type(s):
Reference Materials
Date Posted:
10/9/2008
This is an experimental program through which you can take a virtual tour of selected objects from the Museum’s collections. The website links to 450 objects from the found on a customizable map that can be used to group objects in different ways. By voting for your favorite obje
Grade Range:
9-12
Resource Type(s):
Primary Sources, Lessons & Activities
Date Posted:
9/10/2008
This online exhibition explores the role of transportation in American history. Students will learn about communities wrestling with the changes that new transportation networks brought; how cities change, suburbs expand, and farms and factories become part of regional, national and international
Grade Range:
K-12
Resource Type(s):
Reviewed Websites
Date Posted:
9/10/2008
The AAR Website promotes the utilization of freight rail as a viable, eco-friendly, alternative to trucks when hauling freight across the United States, and all of North America. AAR members include the major freight railroads in the United States, Canada and Mexico, as well as Amtrak, and are ba
Grade Range:
K-12
Resource Type(s):
Reviewed Websites
Date Posted:
9/10/2008
Trains.com is a website dedicated to those who love everything about railroading and model trains.  It contains the latest railroad news, and allows students to explore the history of railroading and the hobby of model trains.  The website is the home of five railroading-related magazin
Grade Range:
4-8
Resource Type(s):
Reference Materials, Lessons & Activities, Worksheets
Date Posted:
9/9/2008
This manual, included in the online exhibition Invention at Play, from the Lemelson Center, will provide an array of activities, resources, and approaches that will underscore the role of play in the inventive spirit in all of us. Through play we develop certain "habits of
Grade Range:
K-4
Resource Type(s):
Reference Materials, Lessons & Activities, Worksheets
Date Posted:
9/9/2008
This booklet, connected to the Invention at Play online exhibition from the Lemelson Center, highlights inventors who started out as great players and who recall a strong link between their play and inventing. It encourages adults to create an enriching play/inventing environme
Grade Range:
6-12
Resource Type(s):
Reference Materials
Date Posted:
9/8/2008
Students will learn how mass media, the entertainment industry and consumer products are all used to conduct a national dialogue between the president and his constituents in this section of The American Presidency: A Glorious Burden, an online exhibition. 
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