PS2+(9-11)+-+7


 * Students demonstrate an understanding of electromagnetism by… **

7a explaining through words, diagrams, models, or electrostatic demonstrations the principle that like charges repel and unlike charges attract.

 7b explaining through words, charts, diagrams, and models the effects of distance and the amount of charge on the strength of the electrical force present.

 7c describing the relationship between moving electric charges and magnetic fields.

What subtopics do students need to address to understand these GSEs?

 * @Electromagnetism Concept Map - Jay Fogleman

What phenomena and representations help students understand these topics?
media type="custom" key="6185199" Video on separate page.
 * In this video, Richard Feynman explains why it is difficult to understand magnets, and forces in general:

What activities or activity sequences can be used to address these GSEs?

 * The STC Magnets and Motors unit, used by several RI districts, provides opportunities for students to investigate electromagnetism.

What are some ways to assess students' understandings?

 * Released NECAP Items: As of 2010, no released NECAP items address this GSE.