This sounds like a good idea. I will have to try this. I agree that it would be nice to have it done for you by the software.
I liked the picture of the planets. This would be a good review of the planet positions.
This was a good way to review the different physical and chemical changes, although I would like to use more (you only had 4).
I really liked this idea, but some of the pictures were hard to tell what they were.