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ch 9 science 3rd
forces, magnatism
Term | Definition |
---|---|
attract | to pull upward |
direction | the path an object follows |
distance | a measure of length |
force | a push or a pull |
gravity | a force that pulls objects towards each other |
magnet | an object that pulls certain metals towards it |
magnetism | a magnet's ability to pull certain metals towards it. |
magnetic poles | the areas of a magnet where its force of attraction is strongest |
motion | a change in the position of an object |
permanent magnet | an object that keeps its magnetism for a long time. |
speed | a measure of how fast or slow an object is moving |
temporary magnet | an object that loses its magnetism after a short period of time |