11. Which statement/s are true about ceramics? I. Ceramics are metallic materials. II. Ceramics are used as cutting tools. III. Ceramics are nonmetallic materials that include clay and glass. IV. Ceramics can also be used to create bone and teeth replacement. *
1 point
A. I and II
B. I, II and III
C. II, III and IV
D. IV only
12. Which of the following does not possess brittleness? *
1 point
A. ceramics
B. copper
C. egg shell
D. glass
13. Which statements is/are INCORRECT? I. Brittle objects are fragile. II. All brittle objects are harmful. III. Brittle objects are hard or rigid but lacking in tensile strength. IV. Objects of different make up will display same properties of brightness. *
1 point
A. I and II
B. II and III
C. III and IV
D. IV only
14. When you say that an object is soft, what is being described? *
1 point
A. composition
B. phase
C. chemical property
D. physical property
15. Which of the following materials possesses elasticity? *
1 point
A. copper
B. gold
C. plastic
D. rubber
16. Which property of a rubber band will stay the same when it is stretched? *
1 point
A. length
B. mass
C. shape
D. width
17. Which statement/s is/are INCORRECT about rubber?I. Rubber can preserve heat. II. Rubber is used as packaging. III. Rubber is used as a primary component of tire for cars. IV. Rubber can preserve the cold temperature of water in your water jug. *
1 point
A. I and II
B. I and III
C. I, II and III
D. I, III and IV
18.Which statement is/are correct? I-Ductility is the ability to break easily. II-Ductility is the ability to absorb much water. III-Ductility is the ability of an object to float or sink. IV-Ductility is the ability of a material to be drawn into sheets. *
1 point
A. I and II
B. I, II and III
C. I and III
D. IV only
19. Which of the following materials demonstrates ductility? *
1 point
A. ceramics
B. steel pipes
C. steel fences
D. both b and c
20. Why can copper be made into electrical wires? *
1 point
A. It is the cheapest metal.
B. It is the hardest metal.
C. It can absorb water easily.
D. It can be drawn into fine and thin wires.​