7. Which of these objects will NOT be attracted to a magnet? A five peso coin C. steel B. nail D. wooden ladle 8. Which of these objects can be attracted by magnets? A. ball C. slippers B. nail D. rug 9. A material was attracted to a magnet. What could the material contain? A. iron C. plastic B. cement D. silver 10. An object is a magnet if it attracts a A. cotton c. plastic B. metal D. rubber 11. The shape of this magnet makes it very weak because the power is focused on the poles and less at the sides. A. bar magnet C. ring magnet B. horseshoe magnet D. rectangular magnet 12. The shape of this magnet is the strongest because the poles point in the same direction. A. bar magnet C. ring magnet B. horseshoe magnet D. rectangular magnet 13. This English physician and natural philosopher compiled all the information regarding magnetism during his time. A. Jose Rizal C. Thomas Edison B. Joseph Henry D. William Gilbert 14. What was Michael Faraday best known for? A. electricity C. electromagnetic induction B. electromagnet D. compilation of magnets 15. Magnets may attract or repel because of the A. positive and negative charges. B. presence of an invisible field. C. different poles. D. materials near the magnet.
