Difference between revisions of "3-PS2-1"
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Latest revision as of 10:13, 29 July 2023
Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object.
Clarification statement: Examples could include an unbalanced force on one side of an object can make it start moving; and, balanced forces (including friction) acting on a stationary object from both sides will not produce any motion at all.
Assessment boundary: Assessment is limited to one variable at a time: number, size, or direction of forces. Assessment does not include quantitative force size, only qualitative and relative. Assessment is limited to gravity being addressed as a force that pulls objects down.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of 3-PS2-1.
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Assessment
What assessment of 3-PS2-1 might look like on a NY state exam.
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NGSS Dimensions
Performance expectation 3-PS2-1 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Connections to Other Standards
3-PS2-1 connections to ELA, math, and other science standards as outlined by the NYS Education Department: