ETS block model animation
MIke: Here is one of the ETS animatiosn I mentioned that you might want to include in your ppt.
File 20716 is a 1.4MB Quicktime Video
Uploaded:
Feb26 10
Last Modified: 2010-02-26 08:27:29
https://serc.carleton.edu/download/files/20716/ets_block_model_animation.mov