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We found 10 resources with the concept permanent magnets
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TeachEngineering: Electromagnet Design Challenge - Clean Up This Mess
Young engineers are challenged to design an electromagnet that can separate steel from aluminum. Taking on the role of recycling plant managers, groups research the properties of metals, magnets, magnet fields, and electric circuits. The...
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How Special Relativity Makes Magnets Work
Galileo established relativity, and Einstein developed the laws of special relativity to more fully explain physics. A brief video explains how special relativity relates to electromagnetism. Through simple illustrations, complex...
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Magnets on a Stick: A Magnetic Force Demonstration Device
Why do some magnets attract while others repel? Scholars use clearly labeled permanent magnets to explore the attractive question. They compare the behavior of like versus opposite poles to find the answer.
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Drawing Magnetic Fields
Class members use a compass and several points to map out the magnetic field of a magnet. Pairs trace the magnetic field lines produced by a permanent magnet by positioning the compass in numerous spots around the magnet to view the...
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Magnetic or Not?
The class must determine the magnetic properties of different materials, including aluminum and steel by sorting through materials using a magnet. Groups make a prediction on whether a material is magnetic and then perform tests to...
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Visualizing Magnetic Field Lines
Magnetic fields might not be a field of dreams but they are useful. Class members observe the reactions of magnetic fields using a compass, iron filings in a paper container, and iron filings suspended in mineral oil.
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Force on a Current Carrying Wire
What do electrical currents have to do with an MRI? Using a simple wire setup and a magnet, class members explore forces used in an MRI by investigating the magnetic force acting on a wire carrying a current.
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Magnetic Attraction
Teach your class about magnets and electromagnets with a reading passage. After reading the passage, learners respond to five related questions.
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Magnetic Fields
Introduce your class to magnetic fields with an activity that demonstrates that a compass is affected by the magnetic field of the earth, unless a closer, stronger magnetic field is present. Pupils can use this fact in the associated...
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Magnetic Fields Matter
Help your young scientists learn which materials are affected by magnetic fields with an activity that presents the information about different types of materials — diamagnetic, paramagnetic, and ferromagnetic — and their interaction...