Probably the trickiest of the itty bitty words in Spanish. Here's help.
Online activities from the Realidades textbook
Book 2 Chapter 7A p. 360
Grammar video
Practice with the Impersonal Se
Online activities from the Exprésate textbook
Book 2 Chapter 3A p. 90
Practice with the Impersonal and Passive Se
Excellent grammar explanations with video
The impersonal/passive Se
Detailed grammar explanations with self-correcting exercises
The passive voice
Music videos and activities for practice
The passive and impersonal Se
Video interviews, podcasts, and grammar explanations