To access one of the 28 Concept Flow Diagrams (or sometimes CFDs or even "Flows") for one of the seven Essential Principles and four gradebands (K-2, 3-5, 6-8, and 9-12), click on the appropriate small box in the outer ring of the following diagram.

For the webpage for the Fundamental Concepts associated with a particular Essential Principle, click on the appropriate rounded rectangle. A short overview of ocean science literacy is available by clicking on the central circle.