What is a Lesson Plan? An effective lesson plan demonstrates how a teacher creates objectives for his or her students and measures how those objectives are mastered. Creating a lesson plan begins with ...

Log-in to bookmark & organize content - it's free! Biographer Stacy Schiff talked about her early life including her family, education, and experience in publishing. In this lesson, students will view ...

Facts about the Mississippi River are highlighted. Journalist Boyce Upholt talked about his experience traveling on the river.

The warped shape of the stellar disk of the Milky Way galaxy, determined by mapping the distribution of young stars called Cepheids with distances set out in light years, is seen over the Warsaw ...