3-PS2-2 Motion and Stability: Forces and Interactions
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Students who demonstrate understanding can: Make observations and/or measurements of the object’s motion to provide evidence that a pattern can be used to predict future motion. (Connected to 3-PS2-1) |
Clarification Statement: Examples of motion with a predictable pattern could include a child swinging in a swing, a ball rolling back and forth in a bowl, and two children on a see-saw.
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Assessment Boundary: Assessment does not include technical terms such as period and frequency.
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Crosscutting Concepts
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Science & Engineering Practices
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Disciplinary Core Ideas
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Patterns:
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Planning and Carrying Out Investigations:
- to answer questions or test solutions to problems in 3–5 builds on K–2 experiences and progresses to include investigations that control variables and provide evidence to support explanations or design solutions.
- Make observations and/or measurements to produce data to serve as the basis for evidence for an explanation of a phenomenon or test a design solution.
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Forces and Motion:
- The patterns of an object’s motion in various situations can be observed and measured; when that past motion exhibits a regular pattern, future motion can be predicted from it. (Boundary: Technical terms, such as magnitude, velocity, momentum, and vector quantity, are not introduced at this level, but the concept that some quantities need both size and direction to be described is developed.)
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Introduction to the OKSci Framework
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