C2.3.6 Ceramics Flashcards
1
Q
Name two common objects made from ceramics
A
bricks, toilets, sinks, cups, plates
2
Q
What is a ceramic?
A
a compound
3
Q
List four properteis of ceramics…
A
hard,
brittle,
stiff,
solid with very high melting points,
strong when pressed,
break easily when stretched
electrical insulators
4
Q
Do ceramics react with water?
A
no
5
Q
Do ceramics react witih acids or alkalis?
A
no
6
Q
List three uses of ceramics
A
bricks,
electrical insulators
jet engine tubine blades
plates
mugs
bowls
7
Q
Are the forces between atoms in ceramics strong or weak?
A
strong
8
Q
Why do ceramics have high melting points?
A
You need a lot of energy to break the bonds between atoms in ceramics
