NSTA provides a nice framework in which to discuss ideas related to nanoscale science and engineering. The 9 Big Ideas of Nanoscale Scence and Engineering and their associated learning goals are described in this dataset.
You can go to the NSTA site to access the book: The Big Ideas of Nanoscale Science and Engineering— A Guidebook for Secondary Teachers
There are some alternate ways to categorize the Big Ideas
1) Nano is small and different
2) Nano is studying and making tiny things
3) Nano is new technologies
4) Nano is part of our society and our future: NISE Net’s Nano and Society Big Ideas Training Guide