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Better Lesson
Better Lesson: The Lightbulb Just Went On!
Fourth graders discover how electricity can be converted to light energy.
Science Education Resource Center at Carleton College
Serc: Conductor or Insulator?
In this investigation the students predict, experiment, and observe whether materials are insulators or conductors.
Science Education Resource Center at Carleton College
Serc: Modeling Emf, Potential Difference, and Internal Resistance
Interactive lecture discusses internal resistance which provides help to learners in developing an accurate model.