The conclusion of the American Revolution brought about a new conflict—choosing the stye of government for the newly formed United States. Using the views of both Federalists and Anti-Federalists, learners work in pairs and groups to...

Trees are the star of a three-step unit celebrating Arbor Day. Step one takes an in-depth look into the structure of a tree, the process of photosynthesis, and the benefits of the leafy giants. Step two challenges scholars to create a...

There's a lot content packed into the four lessons of this physical science unit on density. From salad dressing to the water cycle and hot air balloons, these lessons engage students in hands-on activities that explore real-world...

In this article, N.R. Kleinfield reports on the terrorist attacks of September 11, 2001. The article focuses on the destruction of the World Trade Center's Twin Towers in New York City after they were hit by two hijacked passenger jets....