The following resources are only recommended as a starting point for research and/or for stimulating further ideas on a subject of interest that may be found in such sites…:
www.HowStuffWorks.com
www.khanAcademy.org
For breadboard use:
http://www.ehow.com/way_5509910_breadboard-beginners.html
http://www.buildcircuit.com/page/18/
http://www.buildcircuit.com/5-beginners-projects-that-work-in-the-first-attempt/
The following page includes breadboard pictures, diagrams, and even video!!!
http://www.buildcircuit.com/building-a-circuit-on-breadboard/
http://www.buildcircuit.com/voltage-divider-rule/
Enjoy sparingly or as needed.