HS-PS2-2
Use mathematical representations to support the claim that the total momentum of a system of objects is conserved when there is no net force on the system.
Clarification statement: Emphasis is on the quantitative conservation of momentum in interactions and the qualitative meaning of this principle.
Assessment boundary: Assessment is limited to systems of two macroscopic bodies moving in one dimension.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of HS-PS2-2.
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Regents Exam Questions
Released New York State Regents exam questions that assess HS-PS2-2 are listed here by exam and question cluster. Each link opens the question with its answer key.
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NGSS Dimensions
Performance expectation HS-PS2-2 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
HS-PS2-2 connections to ELA, math, and other science standards as outlined by the NYS Education Department: