1 Introduction to the Scottish Qualifications 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 5
2.5 Equipment/Material Required for this Unit 6
2.6 Symbols Used in this Unit 6
3 Assessment Information for this Unit 9
3.1 What Do I Have to Do to Achieve this Unit? 9
4 Suggested Lesson Plan 11
5 Learning Material 15
5.1 Section 1—Outcome 1 15
5.2 Section 2—Outcome 2 40
5.3 Section 3—Outcome 3 71
5.4 Section 4—Outcome 4 99
6 Add itional Read i ng Material 125
7 Sol utions to Self-Assessed Questions 127
8 Copyright References 143
9 Acknowledgements 145
Appendix 1—Unit Specification 147