Why Is Milk White?: & 200 Other Curious Chemistry Questions
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
8 Chemistry in the World 143 Why is there salt in the ocean 143 What happens when you play with liquid nitrogen 144 Why do some chemicals stain your hands 145 What happens when you put your hand in an acid 146 What happens when you put a leaf in an acid 147 What do electrons do 148 How do we get electricity 149 How do you use chemistry to make a battery 149 How do solar panels work 150 How does a Van de Graaff generator work 151 What does water have to do with chemistry 153 What are atoms 154 What chemicals do you find in everyday life 154 What does the periodic table of elements have to do with chemistry 155 How do elements get their names 156 How does gas cook our food and heat our homes 157 Why is lotion so oily 158 Why is oil so oily 158 Why does air leak out of a balloon 159 What makes an acid not good 160 Project Butane Balloon 161 What is matter 165 What do gluons have to do with chemistry 166 What is hydrogen sulfate 166 What is the strongest kind of acid 168 What does hydrogen chloride do 169 Why does snow melt 169 Why do people put salt on icy roads 170 Why does ice float 171 Does ice weigh more than water 171
How is organic chemistry different from regular chemistry 172 What is biochemistry 173 How is biochemistry related to regular chemistry 173 How many types of chemistry are there 175 Why are there so many varieties in chemistry 175 What are chemical bonds 176 How many types of bonds are in chemistry 176 How long has chemistry been around 178 Can you change lead into gold 178 What is the difference between radiation and radioactivity 179 How do they make petroleum into jelly 180 Why do chemicals foam up 181 What is hydrogen peroxide 182 What is a soda can made out of 183 What is the difference between Fahrenheit and Celsius 184 What makes bridges so strong 185 Why do some things dissolve in water and others don’t 185 What is plastic made of 186 Project Extracting Iodine 187 Project Fun with Boron 192 9 Chemists 199 What are some things chemists do 199 How do people today use chemistry and science in How are chemists different from and similar to scientists 201 Project Latent Fingerprints 202 their jobs 200