1 Introduction to the Scottish Qualifications Authority 2 Introduction to the Unit 2.1 What is the Purpose of this Unit? 2.2 What are the Outcomes of this Unit? 2.3 What do I Need to be Able to do in Order to Achieve this Unit? 2.4 Approximate Study Time for This Unit 2.5 Equipment/Material Required for this Unit 2.6 Symbols Used in this Unit 3 Assessment Information for this Unit 3.1 What Do I Have to Do to Achieve This Unit? 4 Suggested Lesson Plan 5 Learning Material 5.1 Section 1 5.2 Section 2 5.3 Section 3 5.4 Section 4 5.5 Section 5 5.6 Section 6 5.7 Section 7 5.8 Section 8 5.9 Section 9 5.10 Section 10 5.11 Section11 5.12 Section 12 5.13 Section 13 5.14 Section 14 5.15 Section 15 5.16 Section 16 6 Additional Reading Material 7 Solutions to Self Assessed Questions and Activities 8 Copyright References 9 Acknowledgements