This instructional activity will help students visualize the Earth's crust (lithosphere), mantle, and core. The students will work in groups to research and design a model of the Earth's layers. Some of the types of models include:...

Useful tool for investigating Federal style architectural elements. The interactive image of the Coleman House isolates architectural design elements. Don't miss the resources at the "in the classroom" link.

The National Museum in Warsaw is actually a collection of five museums: the modern National Museum, Xawery Dunikowski Museum of Sculpture at the Krolikarnia Palace, the Poster Museum at Wilanow, Radziwill Palace in Nieborow and Romantic...