© LoveLearning 2014 When You Work with Magnets Be careful not to drop a magnet. Jarring a magnet can demagnetize it Do not rub two magnets.

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Presentation transcript:

© LoveLearning 2014

When You Work with Magnets Be careful not to drop a magnet. Jarring a magnet can demagnetize it Do not rub two magnets together. This will also demagnetize them Wash your hands after touching iron filings © LoveLearning 2014

Electromagnets An electromagnet is a magnet made by winding a wire with a current around on an iron bar Electromagnets: found in doorbells, computers, speakers, and telephones Click on the title to view a BrainPop video. © LoveLearning 2014

Electromagnets Some cranes have electromagnets that can pick up heavy loads of iron or steel When the operator turns the electromagnet off, the load drops to the ground! http://www.absorblearning.com/media/item.action?quick=4v © LoveLearning 2014

Magnetism http://safeshare.tv/w/FkDuAqHFmx © LoveLearning 2014

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