share your thoughts, ideas, questions, and experiences; read what others have to say.
Lesson Plans and Resources
Charts and Graphs
Useful and Related Links
Video Clips (in order of appearance)
You will need QuickTime 4 in order to view the
video clips that are included in this article.
To get QuickTime, go to the
QuickTime 4 page, scroll down to the "Tell us who
you are" section, tell them who you are, and then click on Download QuickTime.