If you are looking for lesson plans that cover the following NGSS Standards, you can do a search using either tags or the search box. I have tagged all of my blog entries with the corresponding SEP.
SCIENTIFIC AND ENGINEERING PRACTICES (SEP) (Details from NSTA)
- SEP1 – Asking Questions and Defining Problems
- SEP2 – Developing and Using Models
- SEP3 – Planning and Carrying out Investigations
- SEP4 – Analyzing and Interpreting Data
- SEP5 – Using Mathematics and Computational Thinking
- SEP6 – Constructing Explanations and Designing Solutions
- SEP7 – Engaging in Argument from Evidence
- SEP8 – Obtaining, Evaluating, and Communicating Information
Middle School Science Lessons 
Comments are welcome!