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Full Description
This title contains 160 tried and tested experiments, some classic with up-to-the minute variations, and some entirely new. The book is divided into four sections: "Forces and Motion"; "Matter and "Materials", Sound and Light"; and "Electricity and Magnets". Scientific principles are shown in action as well as in photographs of their everyday applications. The experiments are all safe to do, use household materials, are manageable but absorbing, and offer rewarding results. Readers are told how long each experiment lasts, what materials are needed, and what the results mean.
Contents
Copyright/title 2; Contents 4; Forces and Motion 6; Getting started 8; Measuring forces 10; Squeezing and twisting 12; Gravity 14; Balancing 16; Pressure 18; Floating and sinking 20; Acceleration 22; Measuring speed 24; Friction 26; Air and water resistance 28; Floating in air 30; Flight 32; Force magnifiers 34; Gears 36; Circular motion 38; Starting and stopping 40; Matter and Materials 42; Getting started 44; Denting and squeezing 46; Stretching and snapping 48; Soil 50; Moving heat 52; Solids, liquids and gases 54; Mixing materials 56; Expansion and contraction 58; Heating substances 60; Changing state 62; Permanent changes 64; Burning 66; Sieving solids 68; Solutions and suspensions 70; Filtering mixtures 72; Evaporating solutions 74; Saturated solutions 76; Sound and Light 78; Getting started 80; Sources of sound 82; Sources of light 84; Sound travels 86; Light travels 88; Different tones of sound 90; Musical sounds 92; White light 94; Coloured light 96; Hearing sound 98; Seeing light 100; Reflecting sound 102; Reflecting light 104; Mirrors 106; Bending light 108; Lenses 110; Recording sound and light 112; Electricity and Magnets 114; Getting started 116; What a tingle! 118; Make it move 120; Wire it up 122; Thick and thin 124; Go with the flow 126; Power house 128; The big push 130; Neat work 132; Branching out 134; Feel the force 136; Pole to pole 138; Magnetic art 140; Make your own magnets 142; Mini-magnets 144; Map it out 146; Pick-up power 148; Glossary 150; Index 158
