NGSS SEP: Developing Models & MS-PS3-2 Performance Assessment: "Anna's Jump"

This is a SEP: Developing Models performance assessment task designed for the NGSS that I give in a unit towards the end of first quarter in 8th grade. At this point students have some experience with making models to explain phenomena but will often need scaffolding to complete the task successfully .

I allow students to make additional revisions to these models after I’ve given them feedback to improve the final grade because this is a performance assessment

Before doing this performance task my students will have done the PhET Energy Skate Park Lab ( also in my store) and a “rollback can” investigation (also in my store) so they should have notes about what is a system, and examples of transfer of energy in other types of systems.

Students will also be doing this towards the end of the unit so they should also be familiar with potential energy, kinetic energy, elastic energy and systems

I have given an example of a rubric I use for scoring and you may decide to not use the revising my model in the final score. Also, depending on when you give the performance assessment you may have to adjust your expectations for student skill level based on how much independent practice they have already had.

Developing Models

Performance Assessment Designed for NGSS MS-PS3-2

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

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