Difference between revisions of "MS-PS3-2"
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| Level3 = Develop a model to describe that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system. | | Level3 = Develop a model to describe that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system. | ||
| Level2 = Given a model, use evidence from the model to describe how the amount of potential energy stored in the system changes as the relative positions of the interacting objects change. | | Level2 = Given a model, use evidence from the model to describe how the amount of potential energy stored in the system changes as the relative positions of the interacting objects change. | ||
| − | | Example2 = [[Questions:Forces and Fields#q2|Spring 2026 | + | | Example2 = [[Questions:Forces and Fields#q2|Spring 2026 · Q16]] |
| Level1 = Given a model, identify the evidence from the model that describes how the amount of potential energy stored in the system changes as the relative positions of the interacting objects change. | | Level1 = Given a model, identify the evidence from the model that describes how the amount of potential energy stored in the system changes as the relative positions of the interacting objects change. | ||
| − | | Example1 = [[Questions:Energies of Dropped Marbles#q5|Spring 2025 | + | | Example1 = [[Questions:Energies of Dropped Marbles#q5|Spring 2025 · Q56]] [[Questions:Energy of Skateboarders#q5|Spring 2024 · Q16]] |
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Revision as of 09:32, 18 October 2026
Develop a model to describe that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system.
Clarification statement: Emphasis is on relative amounts of potential energy, not on calculations of potential energy. Examples of objects within systems interacting at varying distances could include: the Earth and either a roller coaster cart at varying positions on a hill or objects at varying heights on shelves, changing the direction/orientation of a magnet, and a balloon with static electrical charge being brought closer to a classmate’s hair. Examples of models could include representations, diagrams, pictures, and written descriptions of systems.
Assessment boundary: Assessment is limited to two objects and electric, magnetic, and gravitational interactions.
Grade 8 Science Test Questions
Released New York State Grade 8 science test questions that assess MS-PS3-2 are listed here by test and question cluster. Each link opens the question with its answer key.
Vocabulary
Terms from the Middle School Science Glossary that come from this standard or from the released Grade 8 Science Test questions that assess it.
- arrangement of objects
- diagram
- electric interaction
- energy transfer
- evidence
- force
- gravitational interaction
- interacting at a distance
- kinetic energy
- magnet
- magnetic interaction
- model
- orientation
- potential energy
- relative position
- representation
- roller coaster
- static electrical charge
- stored energy
- system
- system model
- drop height – Spring 2025
- electric potential energy – Spring 2026
- electrically charged – Spring 2026
- elevation – Spring 2024
- generator – Spring 2026
- metal – Spring 2026
- system of objects – Spring 2026
- gravitational potential energy – implied by "the Earth and either a roller coaster cart at varying positions on a hill or objects at varying heights on shelves"
Performance Level Descriptions
Every Grade 8 Science Test question on MS-PS3-2 is written to match one of the performance level descriptions (PLDs) below.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of MS-PS3-2.
This section could be expanded upon. You can help out by adding to this section.
NGSS Dimensions
Performance expectation MS-PS3-2 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
- Developing and Using Models
- Develop a model to describe unobservable mechanisms.
- PS3.A: Definitions of Energy
- A system of objects may also contain stored (potential) energy, depending on their relative positions.
- PS3.C: Relationship Between Energy and Forces
- When two objects interact, each one exerts a force on the other that can cause energy to be transferred to or from the object.
- Systems and System Models
- Models can be used to represent systems and their interactions—such as inputs, processes and outputs—and energy and matter flows within systems.