MS-PS1-1

Develop models to describe the atomic composition of simple molecules and extended structures.

Clarification statement: Emphasis is on developing models of molecules that vary in complexity. Examples of simple molecules could include ammonia and methanol. Examples of extended structures could include sodium chloride or diamonds. Examples of particulate-level models could include drawings, 3D ball and stick structures, or computer representations showing different substances with different types of atoms.

Assessment boundary: Assessment does not include valence electrons and bonding energy, discussing the individual ions composing complex structures, or a complete depiction of all individual atoms in a complex molecule or extended structure.

Resources

Examples and discussion of resources for the learning, teaching, and assessment of MS-PS1-1.

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Assessment

What assessment of MS-PS1-1 might look like on a NY state exam.

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NGSS Dimensions

Performance expectation MS-PS1-1 was developed using the following elements from the NRC document A Framework for K-12 Science Education:

Science and engineering practices

Disciplinary core ideas

Crosscutting concepts

Connections to Other Standards

MS-PS1-1 connections to ELA, math, and other science standards as outlined by the NYS Education Department:

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P-8 | MS. Structure and Properties of Matter