2025/2026 NEW EDITION
Why study the principles of materials science? They help us to __ new __ for use in __
applica ons. - Ans a. develop; materials; engineering
Materials have an impact on __ and __ - Ans b. civiliza on; our daily lives
The major materials families are __, __, and __. - Ans c. metals; polymers; ceramics
A material's __ and __ affect the __ of objects made of that material. - Ans d. structure;
processing; proper es
Knowledge of a material's __ enable us to select the right __ for an engineering __ based on its
__ requirements. - Ans e. proper es; material; component; design.
Materials benefit and advance civiliza on by providing the basis for __ and __ applica ons in a
given society and culture. - Ans e. technology; technological
What technological material and tools dominated human civiliza on from 9000 BC to 3000 BC?
__ as a material, and tools made of __. - Ans b. stone; stone
What technological material and tools dominated human civiliza on from 3000 BC to 1200 BC?
__ as a material, and tools made of __. - Ans a. bronze; bronze
What technological material and tools dominated human civiliza on from 1200 BC to 1860 AD?
__ as a material, and tools made of __. - Ans c. iron; iron
,What technological material and tools dominated human civiliza on from 1971 to the present
day? __ as a material, and __ made of __. - Ans d. silicon; microchips; silicon
What technological materials are likely to most significantly impact human civiliza on in the
21st and 22nd centuries? __ and __. - Ans e. nanomaterials; nano-biomaterials
What are the requirements for materials used for hip implants? __, __, __, and __. - Ans b.
strength; cyclic endurance; lubricity; biocompa bility
A hip implant needs a material __ to hold the acetabular cup in place. - Ans a. fixing agent
A hip implant needs a __ material to __ the acetabular cup in ac on. - Ans b. lubrica ng;
lubricate
A hip implant needs a material __ to __ the femoral stem to the femoral bone. - Ans d. fixing
agent; glue
The process for selec ons of a material (for a given applica on) include the material __
required in the applica on, the material __ and __ that will fulfill the __ requirements, and the
kind of __ that fit the different materials for that applica on. - Ans e. proper es; type;
structure; property; shape processing
Sta c lab-proper es of a material include __, __, __ and __ proper es. - Ans a. mechanical;
thermal; electrical; op cal
Applica on-related proper es of a material include __, __, __ related proper es - Ans c. cyclic
loading; temperature; corrosion
, The three major families of materials include __, __, and __. - Ans d. metals; ceramics;
polymers
The structural features of a material include its __, __, and __. - Ans e. bonding; composi on;
atomic order
Ceramic materials are shaped by __ ceramic __ at __ temperatures of __ degrees C. - Ans a.
sintering; par cles; high; >600C
Polymers are shaped by __ and __ at __ temperatures of __ degrees C. - Ans e. mel ng;
molding; moderate; ~200
Metals are o<en shaped by __ at __ temperature, about __ degrees C. - Ans b. deforma on;
room; 25
The primary bonding in metals is __ bonding. - Ans b. 3-D metallic
The bonding in thermoplas c polymers is __ bonding. - Ans a. 1-D covalent + van der Waals
The primary bonding in some ceramics is __ bonding - Ans 3-D covalent
The primary bonding in other ceramics is __ bonding - Ans 3-D ionic
The mechanical proper es of metal include __, __ and __. - Ans b. s ffness; strength; duc lity
The thermal proper es of metals include __ conduc vity. - Ans b. good thermal