Key words in ceramics

Question 1

bond

Answer 1

A force that holds some atoms tightly together.

Question 2

Brittle

Answer 2

Hard but easily broken or cracked.

Question 3

Ceramic

Answer 3

A range of hard, durable, non-metallic materials which are generally unaffected by heat, e.g. china and glass.

Question 4

Clay

Answer 4

Very fine particles of rock.

Question 5

Crystals

Answer 5

Pieces of a mineral with sharp edges. A solid with a regular shape and flat surfaces which reflect light.

Question 6

Heat resistant

Answer 6

A substance that is not easily affected by heat.

Question 7

Insulator

Answer 7

A material that does not allow something to pass through it, e.g heat, electricity.

Question 8

Lattice structure

Answer 8

an arrangement of many atoms or other particles, which are bonded together in a fixed regular(grid-like)pattern.

Question 9

Sand

Answer 9

fine particles of rocks, mainly made of quartz(silicon dioxide)

Question 10

unreactive

Answer 10

A substance that reacts with few other substances or reacts very slowly or not at all.