HS-PS1-2
Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
Clarification statement: Examples of chemical reactions could include the reaction of sodium and chlorine, of carbon and oxygen, or of carbon and hydrogen.
Assessment boundary: Assessment is limited to chemical reactions involving main group elements and combustion reactions.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of HS-PS1-2.
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Regents Exam Questions
Released New York State Regents exam questions that assess HS-PS1-2 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-PS1-2 was developed using the following elements from the NRC document A Framework for K-12 Science Education: