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History Explorer Results (382)
Related Books (101)
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Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/28/2012
This "Solar System" quilt was made by Ellen Harding Baker of Cedar County, Iowa, in 1876. The wool top of this applique quilt is embellished with wool-fabric applique, wool braid, and wool and silk embroidery. Included in the design is the appliqued inscription, "Solar System," and the embroidere
Grade Range:
6-8
Resource Type(s):
Interactives & Media, Worksheets
Duration:
12 minutes
Date Posted:
3/28/2012
In this episdoe of the History Explorer podcast series, curator Steven Turner discusses the work and shop of Henry Fitz, America's first commercially successful telescope manufacturer. The resource includes an image-enhanced podcast, teachers guide, student worksheet, and image pack. 
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/27/2012
In the early nineteenth century, lighthouses in the United States were considered inferior to those in France and England. American mariners complained about the quality of the light emanating from local lighthouse towers, arguing that European lighthouses were more effective at shining bright be
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:
6-12
Resource Type(s):
Interactives & Media
Duration:
2 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses on the plate developed by the 18th century scientist Chladni whose instruments create visual representations of wave pattern
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
4 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses on the history of acoustics during the 18th and 19th centuries, including demonstrations of wave models, tuning forks, siren
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
4 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses on instruments that showcase acoustics resonance, including tuning forks on resonator boxes, matching resonators, Helmholtz
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
4 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses the science behind and uses for tuning forks, including demonstrations of tuning forks on resonators, the Grand Tonometer, a
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
3 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses models used to represent the movement of sound waves, including demonstrations of wave models by Kohl, Ricky, and Crova, as
Grade Range:
9-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/22/2012
During the Great Depression, government photographer Dorothea Lange took this picture at a migrant farmworkers' camp near Nipomo, California. Lange's brief caption recorded her impressions of the family's plight: "Destitute pea pickers ... a 32-year-old mother of seven children." F
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