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Contents
5 Reactivity 5.2 5.3 5.4 5.5
Reactivity and displacement reactions Using the reactivity series and displacement reactions Salts Other ways of making salts Rearranging atoms
83 89 92 95 101
PL E
5.1
6 Sound and space 6.1 6.2 6.3 6.4 6.5
Loudness and pitch of sound 109 Interference of sound 113 Formation of the moon 117 Nebulae 121 Tectonics 125
7 Genes and inheritance
Chromosomes, genes and DNA 131 7.2 Gametes and inheritance 133 7.3 Variation 135 7.4 Natural selection 141
SA M
7.1
8 Rates of reaction
Measuring rates of reaction 8.2 Surface area and the rate of reaction 8.3 Temperature and the rate of reaction 8.4 Concentration and the rate of reaction 8.1
147 154 158 163
9 Electricity
Parallel circuits 171 9.2 Current and voltage in parallel circuits 174 9.3 Resistance 179 9.4 Practical circuits 184 9.1
Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. 4 ISBN_9781108742894.
