Gravitational Attraction
What would happen if two people out in space a few meters apart, abandoned by their spacecraft, decided to wait until gravity pulled them together? My initial thought was that …
neat way to introduce programming
Just came upon this post which describes a nice analogy between programming and Dr Seuss' Sneetch star-on and star-off machines. A modified version might be useful even for older students.
another post here, although written in spanish, has a number of interesting LOGO (or python turtle) example exercises.
