These lessons were designed to accompany the first two parts of the PBS Life of Birds series. Although this lesson plan was developed primarily for grades 9-12, teachers of elementary or middle school ...

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 ...

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 ...

David Fajgenbaum was 25 years old the first time he almost died. He was in his third year of medical school at the University of Pennsylvania. His goal was to become an oncologist — an ambition born ...

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 ...

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 ...

To start a journey into environmental ethics, begin with what you know. One of the best ways to become aware of what you already know about environmental ethics is to write an autobiography of your ...