Vodcasting
Vodcasting is also known by several different names: videocasting, videoblogging, or vlogging. Whatever you call it, there are some exciting possibilities for students to create multimedia.
Check out this mind map of ways videoblogging can be used in K-12 education (click "All Sizes" to see a bigger version). Videoblogging in Education: The new wave of interactive educational television explores how videoblogging is used at multiple grade levels. For a fun video, check out the Psychology Rap created by students for an AP Psychology report on sleep disorders.