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MS-ESS2-1

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MS-ESS2-1 Earth’s Systems
Students who demonstrate understanding can: Develop a model to describe the cycling of Earth’s materials and the flow of energy that drives this process.
Clarification Statement: Emphasis is on the processes of melting, crystallization, weathering, deformation, and sedimentation, which act together to form minerals and rocks through the cycling of Earth’s materials.
Assessment Boundary: Assessment does not include the identification and naming of minerals.
Crosscutting Concepts	Science & Engineering Practices	Disciplinary Core Ideas
Stability and Change: Explanations of stability and change in natural or designed systems can be constructed by examining the changes over time and processes at different scales, including the atomic scale.	Developing and Using Models: Modeling in 6–8 builds on K–5 experiences and progresses to developing, using, and revising models to describe, test, and predict more abstract phenomena and design systems. Develop and use a model to describe phenomena.	Earth’s Materials and Systems: All Earth processes are the result of energy flowing and matter cycling within and among the planet’s systems. This energy is derived from the sun and Earth’s hot interior. The energy that flows and matter that cycles produce chemical and physical changes in Earth’s materials and living organisms.