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.

Authority Status:

Original Statement

Indexing Status:

Yes

Education Level:

6, 7, 8

Subject:

Science

Statement Notation:

MS-PS1-5

Statement Label en-US: Performance Expectation

Description en-US: 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.

Comment en-US: Clarification Statement: Emphasis is on law of conservation of matter, and on physical models or drawings, including digital forms, that represent atoms.

Comment en-US: Assessment Boundary: Assessment does not include the use of atomic masses, balancing symbolic equations, or intermolecular forces.

Language:

English

Concept Term:

Chemical Reactions

Comprised Of:

http://asn.jesandco.org/resources/S2471191

Comprised Of:

http://asn.jesandco.org/resources/S2471200

Comprised Of:

http://asn.jesandco.org/resources/S2471212

Comprised Of:

http://asn.jesandco.org/resources/S2471213