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1. Classroom Resources | Grades   5 – 12  |  Calendar Activity  |  August 18
   Montgomery Ward published the first mail-order catalog in 1872.
   Students explore how and why catalogs have changed over the years and compare their findings about printed catalogs with online catalogs.
2. Classroom Resources | Grades   5 – 12  |  Calendar Activity  |  August 7
   The first picture of Earth was taken by the U.S. satellite Explorer VI in 1959.
   After students view the first picture from the Explorer VI Satellite, they discuss the differences between this first image and the images of the earth that we typically see today.
3. Classroom Resources | Grades   3 – 5  |  Lesson Plan  |  Unit
   Voting! What's It All About?
   Students explore a variety of sources for information about voting. They evaluate the information to determine if it is fact or opinion, and then create a graffiti wall about voting.