Doing science: 'Discovering' what the period of pendulums depends on

 This shows how students can go after determining what affects the period of a pendulum. 

Doing science: 'Discovering' Ohm's law

For schools that have electricity and equipment that can be used to set up simple circuits, this outlines an experiment where students can create an empirical formula for Ohm's law (and actually 'discover' Ohm's law). It shows how experimental science is done.  

Thoughts on Stopping the Science Brain Drain from Africa

 This is a relevant concern for many African nations.