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Sci Magnetism vocab
Question | Answer |
---|---|
magnetic | able to attract certain metals |
magnetic field | invisible shape of the lines of force around a magnet |
magnetic poles | the ends of a magnet where the magnetic force flows in and out |
magnetism | a force that pushes and pulls certain metal |
force | the strength/energy that moves objects |
lines of force | invisible lines of force that flow through and around a magnet |
repel | force away |
atoms | the smallest parts of an element |
electromagnets | temporary magnets made by passing an electric current through a wire wrapped around a piece of iron |
lodestone | naturally magnetic rock |
encode | to put information in a special code |
generators | machines that create electricity in coils of wire using spinning magnets |
motors | machines that turn electricity into motion using coils of wire to spin magnets |