Science Focus 9

1. Unit 1

   Being a scientist

   1. 1.1 Safety-before we start
   2. 1.2 What is science?
   3. 1.3 Observing
   4. 1.4 Equipment
   5. 1.5 Reporting
   6. 1.6 Measurement
   7. 1.7 Working scientifically
   8. 1.8 Using a Bunsen burner
   9. 1.9 What, why and how?
   10. 1.10 Scientific research
   11. Science focus: Scientific method: the path to greater understandin…
   12. 1.11 Better measurements
   13. 1.12 Scientific conventions

2. Unit 2

   Matter 1

   1. 2.1 Atoms and elements
   2. 2.2 The role of electrons
   3. 2.3 Metals, non-metals and semi-metals
   4. 2.4 Writing chemical equations
   5. 2.5 More and faster! Rate and yield considerations
   6. 2.6 100% organic
   7. 2.7 Naming compounds

3. Unit 3

   Physical world 1

   1. 3.1 Nuclear radiation

4. Unit 4

   Living world 1

   1. 4.1 Effects of human civilisation on the ecosystem
   2. Science focus: The right balance
   3. 4.2 Energy for life
   4. Science focus: Bioaccumulation
   5. 4.3 Recycling in nature
   6. 4.4 Inheritance
   7. 4.5 Human inheritance
   8. 4.6 The molecule of life

5. Unit 5

   Earth and space 1

   1. 5.1 Waves
   2. 5.2 Global warming
   3. 5.3 The ozone layer
   4. 5.4 Energy crisis

6. Unit 6

   Matter 2

   1. 6.1 What are chemical reactions and why do they happen?
   2. 6.2 Reaction types
   3. 6.3 Respiratory systems

7. Unit 7

   Physical world 2

   1. 7.1 Describing motion
   2. 7.2 Acceleration
   3. 7.3 Newton's Second Law
   4. 7.4 Newton's Third Law
   5. 7.5 Work and energy
   6. 7.6 The ramp
   7. 7.7 Levers
   8. 7.8 Going for a spin: wheels, axles and gears
   9. 7.9 Pulleys
   10. 7.10 The technology of complex machines

8. Unit 8

   Living world 2

   1. 8.1 The theory of evolution
   2. 8.2 Evolution unravelled
   3. 8.3 More about evolution

9. Unit 9

   Earth and space 2

   1. 9.1 The expanding universe
   2. 9.2 The big bang
   3. 9.3 The life of a star
   4. 9.4 Plastics and fibres