Why Is Milk White?: & 200 Other Curious Chemistry Questions
How does sunlight make plants turn green 20 What makes leaves change colors 21 Why are some plants glossy 22 What is herbicide 22 3 Household Chemistry 25 How does soap work 25 Where does soap come from 27 Why is shaving cream foamy 28 What chemicals in washing soap make it clean your clothes 28 Why do we use chemicals as cleaning supplies 30 How do they make shampoo in different colors 31 Why is conditioner always white 33 How do they make shampoo and conditioner in fragrant smells 34 Project Paper Chromatography 35 What does glass have to do with chemistry 45 Project Silicon Bouncy Ball 46 What is toothpaste made from 50 What are shoes made from 50 What is in deodorant 52 Why is lipstick so glossy 54 How do people make lipstick different colors 55 How does Drano get rid of sink clogs 56 How does hairspray get out of the can 57 How does superglue work 58 How does hair dye work 59 What is ammonia and how does it work 60 What is antifreeze 61 Why do you need antifreeze in your car 62 Why does salt water make metal rust faster 63
How do water filters work 64 How do water softeners work and why do you need them 65 What chemicals does hairspray have 66 How does hairspray keep your hair stiffened 68 Why is hair gel so slimy 68 How does hair gel work 69 How does Biosilk keep your hair smooth 69 Why are there so many chemicals in makeup 71 What happens if chemicals get in your lungs 73 What is shoe polish made of 73 How does face paint stay moist 74 How does Shout work 75 swallow a mint 82 4 Health and Safety 79 Why do people need to wear goggles while they are doing experiments 79 Why does Bactine sting when you spray it on your cut 80 How does soap get germs off you 81 Are there chemicals in toothpaste that can hurt you 82 Why can’t you swallow toothpaste when you can Why do your eyes hurt when you get out of the pool because you weren’t wearing goggles 83 How do face wipes take away zits 83 How can Zanfe soap get off poison oak 84 How does sunblock protect your skin from getting sunburned 86 How do you get sunburned when it is cloudy 88 How do you get a tan 89 Why does hydrogen peroxide bubble up when you put it on your cut 90
mouth it bubbles 90 Why is it when you put hydrogen peroxide in your Why does cough syrup have a strong taste and how does it make you stop coughing 91 Why are some medicines liquid and some medicines pills 91 How do Band-Aids stick to your skin 92 What are some chemicals that make people crazy 93 What happens if you breathe in hairspray 94 Why do people use hydrogen peroxide for mouth rinse 95 What happens when you swallow hydrogen peroxide 96 How does hydrogen peroxide bleach your hair 96 What are the chemicals in spit 98 What do the chemicals in spit do 98 What common chemicals shouldn’t be mixed together 99 5 Things That Catch Fire or Go Bang 101 How do explosives work 101 How do you make explosives 102 What types of chemicals are in gunpowder 104 Is there chemistry in guns 105 What happens if you breathe in gunpowder 106 What makes a firework explode 106 How are fireworks made 106 Why are explosives so loud 107 How are explosives different from grenades 108 What do cap guns have in them that make them explode 108 What makes flames turn colors 109 How do we make different colored fireworks 110 What is plasma 111 How do you make a volcano with chemicals 112 Project Making Oxygen 113
feet smell 119 6 Things That Stink 117 Why do things stink 117 Why do chemicals smell 117 Why do skunks smell bad 118 What is the chemical reaction that makes your What is the chemical reaction that makes your breath smell 121 Why does nail polish smell so strong 122 Why do some glues smell strong 123 What chemicals make perfume 124 Why do some plants smell and others don’t 127 7 Color 129 Why are there so many colors in the world 129 How do you make a fluorescent light 130 How do people make different nail polish colors 130 Why are so many powders white 131 Why is milk white 131 Why are clouds white 131 Why is the sky blue 132 Why is water clear 132 Why is grass green 133 How do you make colored milk 134 What makes disappearing ink disappear 134 Why is butter yellow 135 How can you whiten your teeth with hydrogen peroxide 136 How does bleach work 138 Project Color Blossoms 140