Material which is magnetic
There are a few materials which are naturally magnetic. Some of these are
- iron
- hematite
- magnetite
- gases (such as the material stars are made of)
A magnet can be made to stick to objects which contain magnetic material such as iron, even if they are not magnets. But a magnet cannot be made to stick to materials which are plastic, or cotton, or any other material which is not magnetic.
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