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Contents
Contents 1 Photosynthesis and the carbon cycle Photosynthesis 02 1.2 More about photosynthesis 09 1.3 The carbon cycle 17 1.4 Climate change 20
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1.1
2 Properties of materials
Atomic structure and the Periodic Table 2.2 Trends in Groups within the Periodic Table 2.3 Why elements react to form compounds 2.4 Simple and giant structures 2.1
24 27 33 37
SA M
3 Forces and energy 3.1 3.2 3.3 3.4 3.5 3.6
Density 42 Heat and temperature 46 Conversation of energy 50 Moving from hot to cold 55 Ways of transferring thermal energy 58 Cooling by evaporation 62
4 Maintaining life
Plants and water 66 4.2 Transpiration 72 4.3 Excretion in humans 75 4.4 Keeping a fetus healthy 77 4.1
Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior 3 to publication. ISBN_9781108742894.
