Name: ____________________________________________________________ Date: _____________________
Fun Look at Material Science Lesson—Quiz Answers 1
Material Science Quiz Answers
Answer the following questions without the assistance of a neighbor, friend or teacher.
1. For each material, indicate its material class.
quartz
3
Material Classes:
steel
2
1. polymer
Teflon
®
1
2. metal
aluminum
2
3. ceramic
plywood
4
4. composite
fiber glass
4
diamond
3
Zip Lock
®
bag material
1
paper clip
2
polyvinyl chloride (PVC)
1
concrete
4
paper
4
2. Connect each material to the corresponding material class.
ductility
8
1. Hard, covalently bonded material
brittle
9
2, Describes displacement of particles in a deforming body
lattice
7
3. Measured stress at onset of plastic deformation
ceramic
1
4. The brand of science that deals with metal properties
stress
10
5. Irreversible alteration of a solid body under stress
plastic
deformation
5
6. Reversible alteration of a solid body under stress I
yield
strength
3
7. 3D geometric arrangement of atoms composing a crystal
elastic
deformation
6
8. Ability of material to undergo permanent deformation without fracture
strain
2
9. Ability of material to break, or crack easily when subjected to a force
metallurgy
4
10. Force exerted on an object over a defined cross-sectional area
3. What type of bonding makes up ceramic materials?
a. covalent bonds
b. London dispersion forces
c. metallic bonds
d. ionic bonds
4. How many lattice structures exist?
a. 2
b. 14
c. 7
d. 5
Name: ____________________________________________________________ Date: _____________________
Fun Look at Material Science Lesson—Quiz Answers 2
5. How many Bravais lattice structures exist?
a. 2
b. 14
c. 7
d. 5
6. The maximum attainable stress for a metal is called:
a. yield stress
b. fracture stress
c. maximum stress
d. ultimate tensile stress
7. All are attributes of ceramics, except:
a. covalent bonded
b. low melting point
c. high stiffness
d. High hardness
8. All are not attributes of metals, except:
a. electrical insulators
b. thermal insulators
c. high melting points
d. ductile
9. Below are examples of plastic deformation, except:
a. a wire coiled 10 times around a magnetic core
b. broken glass
c. bent nail in wood
d. molded clay
10. What class of material might be useful at temperatures 1100°C (2150°F)?
a. pure metals
b. polymer-polymer composites
c. ceramics-ceramic composites
d. lead-tin metal alloy
11. Label the stress strain plot below:
a. yield stress
b. ultimate tensile stress
c. fracture stress
d. elastic deformation region
e. plastic deformation region
a
b
c
d
e
Name: ____________________________________________________________ Date: _____________________
Fun Look at Material Science Lesson—Quiz Answers 3
12. Label the lattice and packing below.
13. True or False? Aluminum alloy has an FCC structure.
14. True or False? Brittle materials typically fail fast and with excessive plastic deformation.
15. True or False? Strain is the measure of force per unit cross-sectional area.
16. True or False? Type of bonding dictates whether a material is electrically conductive or not.
17. True or False? Metallurgy is the study of metals and their behavior.
18. True or False? I like materials science and engineering.
cubic; primitive
cubic; face centered (FC)
cubic; body centered (BC)
