1 Introduction to the Scottish QualifiOcations Authority 1
2 Introduction to the Unit 3
2.1 What is the Purpose of this Unit? 3
2.2 What are the Outcomes of this Unit? 3
2.3 What do I Need to be Able to do in Order to Achieve this Unit? 4
2.4 Approximate Study Time for This Unit 4
2.5 Equipment/Material Required for this Unit 5
2.6 Symbols Used in this Unit 5
3 Assessment Information for this Unit 9
3.1 What Do I Have to Do to Achieve This Unit? 9
4 Suggested Lesson Plan 15
5 Learning Material 19
5.1 Section 1 20
5.2 Section 2 268
5.3 Section 3 272
6 Additional Reading Material 355
7 Solutions to Self-Assessed Questions and Activities 357
7.1 Answers for Section 1 357
7.2 Answers for Section 3 439
8 Copyright References 465
9 Acknowledgements 467