4. Which of these are NOT attracted by a magnet?
I. slippers, wooden chair
III. nail, thumbtacks
II. one peso coin, hair pin
IV. plastic spoon, ballpen
A. I and II B. II and III C. I and IV D. II and III
5. Which of these statements is NOT TRUE about magnets?
A. Magnets attract all metal objects.
B. Magnets have invicible magnetic field.
C. The ends of a magnet are called poles.
D. A magnet always has both north and south poles.
esson​