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Index
Contents
MATTER
Discovering matter 8
WHAT IS MATTER? 10
Atoms 12
Molecules 14
Bonding 16
Solids, liquids, and gases 18
Mixtures 20
Rocks and minerals 22
Crystals 24
Crystal cave 26
THE ELEMENTS 28
Transition metals 30
More metals 32
Metalloids 34
Solid non-metals 36
Hydrogen, oxygen, and nitrogen 38
Halogens and noble gases 40
CHEMICAL REACTIONS 42
Compounds 44
Acids and bases 46
Crystal forest 48
Combustion 50
Electrochemistry 52
Hot metal 54
MATERIALS 56
Natural materials 58
Hook and loop 60
Alloys 62
Materials technology 64
ENERGY & FORCES
Discovering energy and forces 68
ENERGY 70
Heat 72
Nuclear energy 74
Sound 76
Artificial light 78
Electromagnetic radiation 80
Telecommunications 82
Light 84
Telescopes 86
Magnetism 88
Aurora borealis 90
Electricity 92
Electronics 94
FORCES 96
Laws of motion 98
Friction 100
Gravity 102
Pressure 104
Simple machines 106
Floating 108
Flight 110
SPACE AND EARTH 112
Galaxies 114
Star life cycle 116
Carina Nebula 118
The Solar System 120
Earth and Moon 122
Tectonic Earth 124
Storm clouds 126
Climate change 128
LIFE
Discovering life 132
WHAT IS LIFE? 134
The fossil record 136
Evolution 138
Miniature life 140
Cells 142
Body systems 144
Nutrition 146
Photosynthesis 148
Feeding strategies 150
Processing food 152
Plant transpiration 154
Circulation 156
Breathing 158
Getting air 160
Balancing the body 162
Nervous system 164
Senses 166
Vision 168
Movement 170
Getting around 172
Plant reproduction 174
Producing young 176
Metamorphosis 178
Genetics and DNA 180
A place to live 182
Habitats and biomes 184
Cycles of matter 186
Food chains 188
Threatened species 190
REFERENCE
Scale of the universe 194
Units of measurement 196
Classifying life 198
Timeline of life 200
Glossary 202
Index and Acknowledgments 204
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