Properties of materials

Question 1

Properties of ceramics

-they are i… of heat and e…
-b…
-s…

Eg. Glass, p…, bricks

Answer 1

-they are insulators of heat and electricity
-brittle
-stiff

Eg. Glass, porcelain, bricks

Question 2

Properties of polymers

-i… of heat and e…
-f…
-easily m…

Eg. Used in c…, insulators and e… items

Answer 2

-insulators of heat and electricity
-flexible
-easily moulded

Eg. Used in clothing, insulators and electrical items

Question 3

Properties of composites

-depend of the m… and the r… used to make them

Answer 3

-depend of the matrix and the reinforcement used to make them

Question 4

Properties of metals

-m…
-good c… of heat and e…
-d…
-s…
-s…

Answer 4

-malleable
-good conductors of heat and electricity
-ductile
-shiny
-stiff

Question 5

Examples of some alloys

-b… = copper + t…
-b… = copper + z…
-g… alloys = zinc + c… + s… etc

Answer 5

-bronze = copper + tin
-brass = copper + zinc
-gold alloys = zinc + copper + silver etc