Directions: Write T if the concept in the sentence is true and write is not your answer on the blank before each number. 1. Magnets attract materials that are made up of iron, cobalt, and nickel 2. They can also attract materials that are made up of gold and silver 3. The magnetic field of a magnet is the space where magnetic lines of force are found. 4. A nail can be magnetized by rubbing it against a permanent magnet 5. Magnetism attracts all objects that are made of iron. 6. In all magnets, only unlike poles attract each other and like poles always repel each other. 7. Any object that has been magnetized will be magnetic forever. 8. A small particle of a magnet has north and south poles. 9. The strength of a magnet is located at the poles. 10. Nonmagnetic materials can be used as temporary magnets.