Difference between revisions of "HS-PS1-8"

From NY Science Standards Wiki
(Section order: Vocabulary now comes before Performance Level Descriptions)
(PLDs: add example released question per level (editor judgment))
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| Level5 = Develop, evaluate, and revise models to compare and contrast changes in the composition of the nucleus of the atom and scale of energy released during nuclear processes.  
 
| Level5 = Develop, evaluate, and revise models to compare and contrast changes in the composition of the nucleus of the atom and scale of energy released during nuclear processes.  
 
| Level4 = Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.  
 
| Level4 = Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.  
 +
| Example4 = [[Questions:Indoor Air Pollution#q2|June 2026 Chemistry Question 47]]
 
| Level3 = Develop and/or use a model(s) to compare and/or contrast the changes in the composition of the nucleus of the atom or the scale of energy released during a nuclear process to other transformations.  
 
| Level3 = Develop and/or use a model(s) to compare and/or contrast the changes in the composition of the nucleus of the atom or the scale of energy released during a nuclear process to other transformations.  
 +
| Example3 = [[Questions:Electricity Generation in New York State#q1|August 2026 Chemistry Question 1]]
 
| Level2 = Develop and/or use a model of a nuclear process to predict the changes in the composition of the nucleus of the atom.  
 
| Level2 = Develop and/or use a model of a nuclear process to predict the changes in the composition of the nucleus of the atom.  
 +
| Example2 = [[Questions:How Glow Became Gloom#q1|June 2026 Chemistry Question 1]]
 
| Level1 = Use a model/information to identify a change in the composition of the nucleus of the atom or a nuclear process.  
 
| Level1 = Use a model/information to identify a change in the composition of the nucleus of the atom or a nuclear process.  
 +
| Example1 = [[Questions:Electricity Generation in New York State#q5|August 2026 Chemistry Question 5]]
 
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Revision as of 02:30, 16 October 2026

HS-PS2-1 (Physics) →
← HS-PS1-3 (Chem)
HS-PS1-9 (Chem) →

Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.

Clarification statement: Emphasis is on simple qualitative models, such as pictures or diagrams, and on the scale of energy released in nuclear processes relative to other kinds of transformations.

Assessment boundary: Assessment does not include quantitative calculation of energy released. Assessment is limited to alpha, beta, positron, and gamma radioactive decays.

Note: This is a performance expectation for both HS Physics and HS Chemistry. For physics, there is a focus on "scale of energy released". For chemistry, there is a focus on "qualitative focus, understanding the conservation of mass and charge" (as per the NYSED high school course maps).

Regents Exam Questions

Released New York State Regents exam questions that assess HS-PS1-8 are listed here by exam and question cluster. Each link opens the question with its answer key.

Chemistry

Exam Cluster Question
August 2026 Chemistry Regents Electricity Generation in New York State Question 1
Electricity Generation in New York State Question 4
Electricity Generation in New York State Question 5
Parade of Balloons Question 43
June 2026 Chemistry Regents How Glow Became Gloom Question 1
Photosynthetic Pathways Question 39
Indoor Air Pollution Question 47

Physics

Exam Cluster Question
June 2026 Physics Regents Emission Spectra and Nuclear Fusion Question 23
Emission Spectra and Nuclear Fusion Question 24

Vocabulary

Terms that come from this standard or from the released exam questions that assess it, listed by subject. Chemistry terms are from the Chemistry Glossary; Physics terms are from the Physics Glossary.

Chemistry

From this standard
  • absorption (of energy)
  • alpha decay
  • atom
  • beta decay
  • charge
  • component (of a system)
  • conservation of charge
  • conservation of mass
  • energy
  • evidence
  • fission
  • fusion
  • gamma decay
  • matter
  • neutron
  • nuclear energy
  • nuclear process
  • nucleus
  • positron
  • positron decay
  • proton
  • qualitative
  • quantitative
  • radioactive decay
  • scale of energy
  • system
  • transformation
  • unstable nucleus
From released exam questions
Implied by this standard
  • nuclear equation – implied by "models to illustrate the changes in the composition of the nucleus"
  • transmutation – implied by "changes in the composition of the nucleus of the atom"

Physics

From this standard
  • alpha decay
  • beta decay
  • charge
  • component of a system
  • composition of the nucleus
  • energy
  • energy released
  • evidence
  • fission
  • fusion
  • gamma decay
  • mass
  • neutron
  • nuclear process
  • nucleus of the atom
  • positron decay
  • proton
  • qualitative
  • qualitative model
  • quantitative
  • radioactive decay
  • scale (of a model)
  • system
  • unstable nuclei
From released exam questions
Implied by this standard

Performance Level Descriptions

Every Regents exam question on HS-PS1-8 is written to match one of the performance level descriptions (PLDs) below.

Level 1: Use a model/information to identify a change in the composition of the nucleus of the atom or a nuclear process. August 2026 Chemistry Question 5
Level 2: Develop and/or use a model of a nuclear process to predict the changes in the composition of the nucleus of the atom. June 2026 Chemistry Question 1
Level 3: Develop and/or use a model(s) to compare and/or contrast the changes in the composition of the nucleus of the atom or the scale of energy released during a nuclear process to other transformations. August 2026 Chemistry Question 1
Level 4: Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay. June 2026 Chemistry Question 47
Level 5: Develop, evaluate, and revise models to compare and contrast changes in the composition of the nucleus of the atom and scale of energy released during nuclear processes.
Notice: PLD levels!

Resources

Examples and discussion of resources for the learning, teaching, and assessment of HS-PS1-8.

Pixel beaver This section could be expanded upon. You can help out by adding to this section.


NGSS Dimensions

Performance expectation HS-PS1-8 was developed using the following elements from the NRC document A Framework for K-12 Science Education:

Science and Engineering Practices
  • Developing and Using Models
    • Develop a model based on evidence to illustrate the relationships between systems or between components of a system.
Disciplinary Core Ideas
  • PS1.C: Nuclear Processes
    • Nuclear processes, including fusion, fission, and radioactive decays of unstable nuclei, involve release or absorption of energy. The total number of neutrons plus protons does not change in any nuclear process.
Crosscutting Concepts
  • Energy and Matter
    • In nuclear processes, atoms are not conserved, but the total number of protons plus neutrons is conserved.
Page contributors: Conrad Richman, Caroline Leonard
Chemistry and Physics | HS. Structure and Properties of Matter
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