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Burlison Magnets
Burlison Magnets Vocabulary
Question | Answer |
---|---|
magnet | any object that pulls certain metals toward it |
bar,donut,horseshoe | types of magnets |
demagnetize | removing magnetism from an object |
south pole | end of magnet sometimes marked with an S |
north pole | the pole that a compass needle seeks |
repel | push away from |
attract | to pull toward |
magnetism | magnet's ability to attract certain metals |
magnetic poles | areas of a magnet where its force of attraction is strongest |
permanent magnet | an object that keeps its magnetism for a long time |
temporary magnet | an object that loses its magnetism after a short time |
compass | a device that uses a free-moving magnetic needle to show direction |
lodestone | a rock that is naturally magnetic and is found at or near Earth's surface |
magnetic field | the space around a magnet where the force can act |
iron & nickel | 2 minerals found in Earth's core. May be used in magnets |
minerals | nonliving solid material that has definite chemical makeup. Found in Earth's outermost layer. |