1. Choose the letter of the correct answer 1. Magnets have invisible a magnetic field bolectric Current 6. sound wOVOS a signals 2. When two magnets repel, they a broak b. pull together c. push apart a change color 3. Magnets have two ends, the north and south a. region b. color c. pole a cormor 4. When magnets are the force of magnetism is stronger, o farther aparl b. rectangular c. round d. closer together 5. If you break a magnetinto pieces, the force exerted by it will a. stay the same b. decrease C. increase d. got stronger 6. Magnets have force that attracts materials made of a. copper b. wood C plastic diron 7. When two magnets attract, they a. pull logother b. chango color c. brook d. push apart 8. The place where magnetic force of a magnetis strongest is at its a. polos b. edge Csidos d. all parts 9. The force exerted by a magnetis a. push only b. pull only c. push and pull d. no force 10. All magnets have the same