What Do I Do With Crosscutting Concepts?

The Next Generation Science Standards (NGSS) address the fragmentation of science education by introducing crosscutting concepts that unify diverse scientific disciplines. These concepts help students understand the nature of science as interconnected rather than isolated facts. Seven crosscutting concepts are identified: patterns, cause and effect, scale/proportion/quantity, systems and system models, energy and matter, structure and function, and stability and change. These concepts are embedded in performance expectations and grow in complexity across grade levels. They provide a shared vocabulary for science and engineering, fostering deeper understanding and application.

For example, the concept of energy illustrates how scientific thinking transcends disciplines, from physics to biology and engineering. Energy conservation principles demonstrate the transformation and transfer of energy across systems, connecting diverse fields such as nutrition, ecology, and engineering. Teachers are encouraged to focus on a few crosscutting concepts each year, introducing them explicitly after students have applied them in multiple contexts. By high school, students should grasp all seven concepts and understand their role in unifying science and engineering.

The NGSS emphasizes that crosscutting concepts should not be taught or assessed separately but integrated into core ideas and practices. They are intended for all students, supporting equity in science education. No specific states, counties, or school districts are mentioned in the article, but the standards apply to K–12 education, with examples provided for kindergarten through high school.</p>