Contents


Acknowledgements ..........................................................................................................................5 How to use this book .......................................................................................................................6 The sceintific method ......................................................................................................................8 Formal Programme of Assessment .................................................................................................10


Strand 1 Life and living ......................................................................................................11


Topic 1 Photosynthesis and respiration Unit 1 Photosynthesis ...................................................................................................................12 Unit 2 Respiration ..........................................................................................................................16


Topic 2 Interactions and interdependence within the environment Unit 1 Introduction to ecology and ecosystems ..........................................................................20 Unit 2 Feeding relationships ..........................................................................................................26 Unit 3 Energy flow: Food chains and food webs ...........................................................................30 Unit 4 Balance in an ecosystem .....................................................................................................34 Unit 5 Adaptations .........................................................................................................................38 Unit 6 Conservation of the ecosystem ..........................................................................................44


Topic 3 Micro-organisms Unit 1 Types of micro-organisms ..................................................................................................48 Unit 2 Harmful micro-organisms ..................................................................................................52 Unit 3 Useful micro-organisms ......................................................................................................56


Strand 1 Summary .........................................................................................................................60 Strand 1 Exemplar test ...................................................................................................................61


Strand 2 Matter and materials .......................................................................................... 63 Topic 1 Atoms


Unit 1 The building blocks of matter ............................................................................................64 Unit 2 Sub-atomic particles ...........................................................................................................66 Unit 3 Elements and compounds ..................................................................................................68


Topic 2 The particle model of matter Unit 1 The concept of the particle model of matter .....................................................................74 Unit 2 Diffusion .............................................................................................................................76 Unit 3 Change of state ...................................................................................................................78 Unit 4 Density, mass and volume ..................................................................................................80 Unit 5 Expansion and contraction ................................................................................................86 Unit 6 Pressure ...............................................................................................................................88


Topic 3 Chemical reactions Unit 1 Reactants and products ......................................................................................................90


Strand 2 Summary .........................................................................................................................96 Strand 2 Assessment .......................................................................................................................97 Strand 2 Revision ...........................................................................................................................98


Exemplar mid-year exam ..........................................................................................................100


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38