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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):
Artifacts
Date Posted:
3/28/2016
Motorola produced the DynaTAC cell phone in 1984 after more than a decade of work in cellular research and technology. The Motorola DynaTAC (an abbreviation of Dynamic Adaptive Total Area Coverage) was the first commercially available portable handheld cell phone. The phone was a 9-inches tall, w
Grade Range:
K-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
4/9/2014
Whether convenient, fast, organic, processed, gourmet, ethnic, or local—the foods available to Americans have never been more plentiful and diverse, or more ripe for discussion. Coupled with big changes in who does the cooking, where meals are consumed, and what we know (or think we know) about
Grade Range:
K-4
Resource Type(s):
Reference Materials, Interactives & Media, Lessons & Activities
Date Posted:
3/31/2014
Although many Americans are turning more and more to credit cards to buy the things they want, most Americans still handle paper money and coins on a regular basis.  It is important for children (and adults!) to be comfortable counting and handling money and to think about the people and ide
Grade Range:
6-12
Resource Type(s):
Interactives & Media, Worksheets
Duration:
15 minutes
Date Posted:
3/27/2013
In this episode of the History Explorer podcast series, Sarah Coffee hears from Rayna Green about how curators working on the exhibit, Food:Transforming the American Table, 1950-2000, got out of the museum and
Grade Range:
5-8
Resource Type(s):
Lessons & Activities
Duration:
45 minutes
Date Posted:
12/17/2012
Explore the American presidency and elections in these four activities from Smithsonian Education’s Art to Zoo. Each of the four activities focuses on a different skill in social studies: examining maps, using timelines, studying collections, and using primary sources. The activiti
Grade Range:
3-6
Resource Type(s):
Lessons & Activities
Duration:
25 minutes
Date Posted:
9/4/2012
Thomas Edison changed our world with electric lights and an entire system that produced and delivered electrical power. Try your hand at making your own light bulb. This activity from Spark!Lab includes step-by-step directions, a printable chart to record the experiment, and discussion questions.
Grade Range:
K-12
Resource Type(s):
Reviewed Websites
Date Posted:
7/19/2012
In this thematic unit, students will use USS CONSTITUTION as a vehicle to explore a wide range of disciplines including language arts, reading, math, science, art, and social studies. The content scope of the curriculum is wide and var
Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
5/25/2012
This online exhibition explore the role of the portable printing press in conveying information during the Civil War. The ability to communicate quickly in wartime can profoundly affect military actions and outcomes. The invention of portable tabletop printing presses at the time of the American
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
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