MS-LS2-3
Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
Clarification statement: Emphasis is on describing the conservation of matter and flow of energy associated with ecosystem, and on defining the boundaries of the ecosystem.
Assessment boundary: Assessment does not include the use of chemical reactions to describe the processes.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of MS-LS2-3.
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Grade 8 Science Test Questions
Released New York State Grade 8 science test questions that assess MS-LS2-3 are listed here by test and question cluster. Each link opens the question with its answer key.
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NGSS Dimensions
Performance expectation MS-LS2-3 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
MS-LS2-3 connections to ELA, math, and other science standards as outlined by the NYS Education Department: