Introduction to Materials

Question 1

Materials

Answer 1

Substances which things are composed of

Question 2

Material History

Answer 2

Culture and history as a whole have been impacted by what materials were accessible. Advancements in materials coincide with new eras of human development.

Question 3

Elements

Answer 3

Consist of only one type of particle or atom; cannot be broken down any further

Question 4

Criteria for Element Classification

Answer 4

Based on individual properties, grouped based on shared properties, and the amount of the substance is irrelevant.

Question 5

Metal Elements

Answer 5

Good conductors of heat and electricity; hard, shiny, malleable, and ductile

Question 6

Nonmetal Elements

Answer 6

Gas at room temperature; brittle, powdery; poor conductors of heat and electricity

Question 7

Metalloids

Answer 7

Possess a mix of metal and nonmetal properties

Question 8

Compounds

Answer 8

Most substances are compounds; compounds are created when two or more elements are chemically combined, and this results in new chemical properties. This can only be reversed through chemical processes

Question 9

Mixtures

Answer 9

Non-chemical combination of two or more substances; can be physically seperated

Question 10

Types of Materials

Answer 10

Metallic
Ceramic
Organic
Polymeric
Composite