Earth and Space Science

MS-ESS2-1

Cycling Earth materials

Performance expectation

Develop a model to describe the cycling of Earth’s materials and the flow of energy that drives this process.

Clarification

Emphasis is on melting, crystallization, weathering, deformation, and sedimentation acting together in the rock cycle.

Assessment boundary

Assessment does not include identification and naming of minerals.

SEP

Practice

  • Developing and Using Models

DCI

Core idea

  • ESS2.A

CCC

Reasoning lens

  • Stability and Change

Evidence map

Rooms connected to MS-ESS2-1.

“Primary” means the chapter includes an observable performance and assessable artifact for this expectation; “supporting” builds context.

Connections recorded in the official model

ELA/literacy: SL.8.5

Mathematics: No specific code recorded.

California Environmental Principles and Concepts: III

Verified 2026-07-29. Open the official California source.