This could be a pretty slick little inquiry lab that students could tend to (collect data from) for a few minutes of time each day over the course of a unit...
Use a two liter, three pencils, vinegar, baking soda, a paper towel, and a cork to build this rocket. Pretty simple! This experiment easily goes along with Newton's Laws, scientific inquiry, or chemical reactions.
This is more than pure neuroscience. There are all sorts of options for looking at general physiology, scientific processes, etc. Save this site for sure. If I were back in the classroom, I would go crazy in the "store" section. Or rather, I would compel my supervisor to "go crazy" in that store. Such a well done set of resources as well...