the Physics Education Technology Project
This web page features an inquiry-based instructional module created specifically for use with the PhET simulation Magnets and Electromagnets. It includes a lesson plan with learning goals, a Power Point presentation designed to introduce secondary students to magnets, and "clicker" elicitation questions. The author, a teacher of high school physics, developed the lesson with these objectives: 1) compare and contrast bar magnets/electromagnets; 2) identify characteristics of electromagnets; 3) relate magnetic field strength to distance; and 4) compare and contrast gravitational field and magnetic field.
This resource is part of the PhET project (Physics Education Technology) a growing collection of simulations and curriculum support for teachers and learners of physics, biology, chemistry, and earth science.
Please note that this resource requires
at least version 1.5 of
6-8: 4G/M3. Electric currents and magnets can exert a force on each other.
9-12: 4G/H1. Gravitational force is an attraction between masses. The strength of the force is proportional to the masses and weakens rapidly with increasing distance between them.
AAAS Benchmark Alignments (1993 Version)
4. THE PHYSICAL SETTING
G. Forces of Nature
4G (9-12) #5. Magnetic forces are very closely related to electric forces and can be thought of as different aspects of a single electromagnetic force. Moving electric charges produce magnetic forces and moving magnets produce electric forces. The interplay of electric and magnetic forces is the basis for electric motors, generators, and many other modern technologies, including the production of electromagnetic waves.
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