Grade 8 · Pre-Technical Studies · Communication and Materials
A scale shows how much a drawing is reduced or enlarged compared with the real object, e.g. 1:2 means the drawing is half the size. Plain scale uses a ruler to measure distances. Ceramics include clay pots, tiles and bricks made by shaping clay and firing it in a kiln. Properties of ceramics: hard, brittle, heat-resistant and non-conductors.