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## Sequences

In many cases, we use several activities in a carefully controlled sequences, to help students see how information ties together. This is a major task for beginning upper-division learners.

- Using a sequence of similar activities to help students to learn how to solve a hard activity by breaking it up into several steps. Example: A sequence of five E&M activities that take students from being able to find the electric potential due to two point charges to and being able to find the magnetic potential in all space due to a spinning ring of charge. See E&M sequence

- Using a sequence of different kinds of activities to reinforce each other. Example: Effective Potentials

- Using a sequence of activities, some computational, to help students understand how to visualize potentials. More potentials?