Traditionally the three major classes of materials are metals, polymers, and ceramics, Most metals are strong, hard and shiny materials that can be hammered into different shapes without breaking., Plastics are materials made from chemicals and are not found in nature., Glass is made by melting sand and other minerals together at very high temperatures., Fabrics are made from thin fibres woven together.,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?