the National Science Foundation
This learning cycle features 11 videotaped experiments, organized sequentially for introducing the nature of circular motion in introductory physics courses. Each video includes learning goal, prior information needed to understand the material, and elicitation questions. Students will engage in observation, qualitative testing, and application experiments. The instructional method is based on cognitive apprenticeship, in which students focus on the process of science by observing, finding patterns, modeling, predicting, testing, and revising. The materials were designed to mirror the activities of scientists when they construct and apply knowledge. Registered teacher-users have access to additional instructional guidance and resource material.
See Related Materials for links to the full collection by the same authors and for free access to an article explaining the theoretical basis for this instructional method.
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6-8: 4F/M3a. An unbalanced force acting on an object changes its speed or direction of motion, or both.
6-8: 4F/M3b. If a force acts towards a single center, the object's path may curve into an orbit around the center.
9-12: 4F/H8. Any object maintains a constant speed and direction of motion unless an unbalanced outside force acts on it.
12. Habits of Mind
12D. Communication Skills
9-12: 12D/H1. Make and interpret scale drawings.
9-12: 12D/H6. Participate in group discussions on scientific topics by restating or summarizing accurately what others have said, asking for clarification or elaboration, and expressing alternative positions.
9-12: 12D/H7. Use tables, charts, and graphs in making arguments and claims in oral, written, and visual presentations.
9-12: 12D/H8. Use symbolic equations to represent relationships between objects and events.
Etkina, E. (2008, September 19). Physics Teaching Technology Resource: Learning Cycles on Circular and Rotational Motion. Retrieved May 25, 2013, from http://paer.rutgers.edu/pt3/cycleindex.php?topicid=5
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