Page 3 - Curriculum Visions Dynamic Book
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Contents
1: Introduction 4 How common are metals? 4 How metals are made 6 Why metals vary 8 The reactivity of metals 10
2: Working with metal 12 Why metals are used 12 Metalworking techniques 13 Casting 14 Rolling 18 Extruding and drawing 19 Forging 20 Powder forming 21
3: Changing the properties of a metal 22 Heating and beating 22 Alloying 23 Making metal resist corrosion 28 Preventing metal fatigue 35
4: Metals through the ages 36 Early metalworking 36 The Bronze Age 37 The Iron Age 38 Other metals used in ancient times 41 Metals before the Industrial Revolution 43 The Industrial Revolution 46 The development of metal machines 49 The modern metal age 50 Joining metals 52 Metals and electricity 53 Metals in buildings 54
Glossary 58
(Left) Zinc crystals can be seen clearly on this zinc-plated surface.
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