"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (3)
Related Books (3)

Grade Range:
K-4
Resource Type(s):
Lessons & Activities, Worksheets
Date Posted:
5/21/2009
Have you ever wondered how the lights in lighthouses are so bright? In this activity, students will examine a Fresnel lens to develop an understanding of how some lighthouse lenses work. They will then apply their knowledge of the lighthouse lens technology to imagine a new invention using a ligh

Grade Range:
K-4
Resource Type(s):
Reference Materials, Lessons & Activities
Date Posted:
5/21/2009
For hundreds of years, seacoasts, rivers, lakes, and canals have had a big impact on the ways America has changed as a country. By using this OurStory module from the Smithsonian's National Museum of American History, children and adults can enjoy exploring lighthouses and the maritime hist

Grade Range:
K-4
Resource Type(s):
Lessons & Activities, Worksheets
Duration:
30 minutes
Date Posted:
5/21/2009
Keep the Lights Burning, Abbie is a work of children's literature about a young heroine who runs her family's lighthouse during a fierce storm. Included in an OurStory module entitled Life on the Water, this activity includes four strategies that will help adults and ch