Educators and authors show, with interviews and live classroom action, how the technique of questioning facilitates students' understanding so they can apply their learning.

Based on the book "Essential Questions: Opening Doors to Student Understanding."

- 1. What is an essential question? - 2. Why use essential questions? - 3. Essential questions in action: high school - 4. Essential questions: middle school - 5. Essential questions: elementary school - 6. Math and other subjects - 7. High-stakes testing.