MS-PS1-5
Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.
Clarification statement: Emphasis is on the law of conservation of matter and on physical models or drawings, including digital forms, that represent atoms.
Assessment boundary: Assessment does not include the use of atomic masses, balancing symbolic equations, or intermolecular forces.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of MS-PS1-5.
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Assessment
What assessment of MS-PS1-5 might look like on a NY state exam.
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NGSS Dimensions
Performance expectation MS-PS1-5 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
MS-PS1-5 connections to ELA, math, and other science standards as outlined by the NYS Education Department: