Does a magnet attract glass?
No, it doesn't.
Does the magnet attract wood?
No, it doesn't.
Does the magnet work underwater?
Yes, it does.
Does a magnet attract comb?
No, it doesn't
Does the magnet attract paper clips?
Yes, it does.
Does a magnet attract neddle?
Yes, it does
Does the magnet attract plastic?
No, it doesn't.
Does the magnet attract iron?
Yes, it does.
Does the magnet attract aluminum foil?
No, it doesn't.