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.
Performance Level Descriptions
PLDs communicate the knowledge and skills expected of students to demonstrate proficiency in each Learning Standard. NYS assessments classify student performance into one of five levels.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of MS-LS2-3.
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Assessment
What assessment of MS-LS2-3 might look like on a NY state exam.
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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: