In this lesson students are introduced to Frederick Jackson Turner and how early Census data, when combined visually with maps, effectively demonstrated the end of the frontier. By reading Turner’s ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

This lesson will give you a broad understanding of the term ‘fake news’ and the skills and techniques to distinguish between what’s false or fake and what’s real. At the end of the lesson students ...

To learn why, where, and how earthquakes happen, you need to familiarize your students with the interior of the Earth and a model called plate tectonics. The engine behind the earthquake machine is ...

The little spheres represent water molecules. Molecules are in constant motion. The attractions water molecules have for each other keep them close together. They can move past each other, but their ...