Active Learning
Interactive Teaching
Typically when one hears the term "active-learning", the first thing that comes to mind is the interaction between student and teacher. While this is an important interaction, active learning involves many other interactions, such as student with material, student with other students, student with his or herself, teacher with the material, and teacher with his or herself. Below are links to help make your classroom more interactive and ultimately to help your students learn.
Making lectures more participatory — Harvard University
Techniques for active learning — California State University
Teaching large lectures — UNC Center for Teaching and Learning