Rice University offers an impressive online project about Galileo Galilei, his life and work. Includes a glossary of terms, a timeline, maps, pictures, primary texts, family letters, and sketches.

This description of a family in Dubuque, Iowa was part of a 1935 WPA sponsored project devoted to documenting the experiences of people during the Depression. From the book, The Great Depression, by David Shannon.

The goal of this lesson is for middle schoolers to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of...