Answer;
4. Only some metals are attracted by magnets; these metals are called ferromagnetic.
Explanation;
- Magnets are those materials that have the ability of producing magnetic field. Magnets attracts materials called magnetic materials and have no effect on non magnetic materials such as wood.
- Magnetic materials are materials that are attracted by a magnet, these includes some metal such as iron and steel. However some metals are non-magnetic materials, these include, gold, silver, and copper among others,
- Therefore, it would be appropriate to say that only some metals are attracted by magnets; these metals are called ferromagnetic.