DESIGN AND TECHNOLOGY

1. DESIGN AND TECHNOLOGY RESISTANT MATERIALS METALS ( LISTENING ACTIVITIES ) START ACTIVITIES

2. Resistant Materials – Metals Metals are made from ________ which are extracted from the earth. There are _______ main groups of metals, _________ metals and _____________ metal. Ferrous metal _________ mainly iron with small amounts of other _________ and non ferrous metals ________ contain iron. Most ferrous metals contain a material called ________. The higher the carbon content, the __________ the metal. Most ferrous metals will rust and almost ________ ferrous metals can be _________ up with a magnet. Example of ferrous metals is _______ carbon steel, _______carbon steel, ________ carbon steel and _________. Non ferrous metals do not have ________ in them. Therefore they do not _____ and cannot be picked up by _________. Example of non ferrous metals is Aluminium, _______, tin, _______, bronze, lead and _______. ferrous high rust medium non-ferrous cast iron contain materials all zinc carbon two ores copper brass harder picked iron low do not magnets START LISTENING