Science Ch. 2 Guide Word Scramble
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Question | Answer |
occurs only in the presence of a magnetic field | Induced Magnetism |
groups of atoms in which the polarity is alligned in the same direction | Domains |
an alloy made of three different metals, makes a strong magnet | ALNICO |
makes up ALNICO | aluminum, nickel and cobalt |
changes vabriations in electrical currents to sound waves | loudspeaker |
a coil of wire that can become a electro magnet | armature |
constantly switch the magnetic poles of a armature | commaultors |
the region around a magnet where the magnet force acts | magnetic field |
the two ends of a magnet that either point N or S | magnetic poles |
the reigons around earth's atmosphere that shield us from harmful particals from the sun | van allen belts |
northern lights | auora borealis |
southern lights | auora australis |
a magnetic that needs to be hooked up to a power source at all times, a temporary magnet | electromagnet |
the current made by using a magnet and wire | induced current |
changes kinetic energy of rotation into electrical energy | electric generator |
changes electricity into kinetic energy of rotation | electric motor |
Created by:
marleene 8
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