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Guided notes and PowerPoint I use to teach the magnetic properties of the earth. It includes information on magnetic force, the magnetosphere, as well as the theory on why the earth is magnetic. It is designed to accompany Pearson Science Explorer: Electricity and Magnetism chapter 1 section 3 but could be modified to fit any text.
The PowerPoint is 8 slides and includes daily objectives and activator/bell ringer questions. The guided notes are 2 pages and include a full answer key.
This lesson takes about 30 minutes depending on the level of students and the amount of discussion/explanation in class (one of my classes took 55 minutes as I explained things and they asked a lot of questions). There is a 2:05 minute youtube clip hyperlinked within the powerpoint as well. And I followed this by having my students work on a vocab packet for the magnetism chapter.
MA State Framework this lesson provides a basis of understanding for:
5.6 Recognize that moving electric charges produce magnetic forces and moving magnets produce electric forces. Recognize that the interplay of electric and magnetic forces is the basis for electric motors, generators, and other technologies.