Science: Facts at Your Fingertips

Description

Covering the basic principles of science, including matter and materials, energy and forces, and the living world, Pocket Genius: Science is a junior look at science, teaching young readers what things are made of, how things move, and how life works. Touching on biology, chemistry, physics, and more, Pocket Genius: Science answers questions such as Why do lemons taste sour? Where does electricity come from? How do plants make their own food? and more to help explain everyday science in our world. Redesigned in paperback, DK's best-selling Pocket Genius series is now available in an engaging compact and economical format that is ideal for both browsing and quick reference for use in school and at home. Catalog entries packed with facts provide at-a-glance information, while locator icons offer immediately recognizable references to aid navigation and understanding, and fact files round off the book with fun facts such as record breakers and timelines. Each pocket-size encyclopedia is filled with facts on subjects ranging from animals to history, cars to dogs, and Earth to space and combines a child-friendly layout with engaging photography and bite-size chunks of text that will encourage and inform even the most reluctant readers. 3 Contents......Page 5 4 What is science?......Page 6 6 Scientific advances......Page 8 10 Everyday science......Page 12 14 Matter And Materials......Page 17 16 States of matter......Page 18 18 Changing states......Page 20 20 The water cycle......Page 22 22 Properties of matter......Page 24 26 Atoms......Page 28 30 Molecules......Page 32 32 Elements......Page 34 36 Mixtures and compounds......Page 38 38 Reactions and changes......Page 40 44 Acids and bases......Page 46 46 Using materials......Page 48 48 Energy And Forces......Page 51 50 What is energy?......Page 52 54 Atom power......Page 56 56 Electricity......Page 58 58 Using electricity......Page 60 62 Magnetism......Page 64 64 Magnets in action......Page 66 66 Electromagnetism......Page 68 68 The EM spectrum......Page 70 72 Light......Page 74 74 Using light......Page 76 76 Radioactivity......Page 78 78 Heat......Page 80 82 Sound......Page 84 84 Forces......Page 86 88 Forces and movement......Page 90 92 Simple machines......Page 94 96 Complex machines......Page 98 98 Computers......Page 100 100 The Living World......Page 103 102 Types of living thing......Page 104 104 Classifying life......Page 106 106 Microlife......Page 108 108 Fungi......Page 110 110 Plants......Page 112 114 How plants work......Page 116 116 Flowers and seeds......Page 118 118 What is an animal?......Page 120 122 Types of animal......Page 124 124 Animal reproduction......Page 126 126 Food webs......Page 128 128 Cycles......Page 130 130 Ecosystems......Page 132 134 Survival......Page 136 136 Living in water......Page 138 138 Flying......Page 140 140 Evolution......Page 142 142 Human influence......Page 144 144 The periodic table......Page 146 146 Amazing science facts......Page 148 148 Natural history facts......Page 150 150 Glossary......Page 152 152 Index......Page 154 156 Acknowledgments......Page 158