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Transcript
Electromagnetism Worksheet 1. Magnet – c) anything that attracts or repels another magnet or magnetic material 2. Permanent magnet – e) does not lose its magnetism; lodestone nd magnetite are the only types 3. Temporary magnet – b) becomes a magnet near a magnet, then loses its magnetism when moved away 4. True north – d) The North Pole; where maps point to as north 5. Magnetic north - a) Where the a compass points to (in Hudson Bay, Canada) 1. Compass – b) a magnetic navigational device that points toward magnetic north 2. Electromagnet – e) a magnet made from electricity 3. Magnetic field – c) the area in which magnets will feel magnetic force. More arrows show a stronger one. 4. Core – a) the center of an electromagnet 5. Iron – d) best magnetic substance; more of this in an electromagnetic core makes it stronger. Two magnetic north poles: repel A magnetic north and south pole: attract 1) Label the north and south poles of the nail magnet. 2) Draw the magnetic field lines (don’t forget arrows). Draw a simple electromagnet. Name three ways you could increase the strength of an electromagnet: 1) Add more loops (to the solenoid) 2) Use more voltage (stronger battery) 3) Use a bigger core
