The document discusses the importance and art of questioning. It defines questioning techniques as methods used to promote effective discussions and learning through constructing and presenting questions. Good questioning is important for student interaction, challenging students, and allowing teachers to assess learning. There are different types of questions that serve different purposes, from lower-order questions testing basic knowledge to higher-order questions promoting analysis, evaluation and creative thinking. Teachers must aim to ask a variety of effective questions and avoid common pitfalls like only asking simple factual questions.