I Just Keep Wondering: 121 Questions and Answers about Science and Other Stuff

I Just Keep Wondering: 121 Questions and Answers about Science and Other Stuff

by Larry Scheckel

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Overview

Here you’ll find entertaining and expansive answers to 121 questions you didn’t even know you had, such as: Why can’t you tickle yourself? Why are cooking directions different at high altitude? Why does the full moon look really big on the horizon but smaller when it’s high in the sky? Where does the light go when you turn off the switch? The answers may surprise you, and they’ll leave young readers eager for more.

Product Details

ISBN-13: 9781943431441
Publisher: Tumblehome Learning, Inc.
Publication date: 05/01/2019
Series: I Always Wondered Series
Edition description: None
Pages: 240
Sales rank: 1,271,290
Product dimensions: 6.00(w) x 8.40(h) x 0.90(d)
Lexile: 1020L (what's this?)
Age Range: 12 - 18 Years

About the Author

Larry Scheckel is the author of I Always Wondered About That, I Wondered About That, Too and Ask a Science Teacher. He taught physics and aerospace science for 38 years and received the Presidential Award from the State of Wisconsin six times. Scheckel has written 900 weekly columns for the Tomah Journal, many of them subsequently published in The Science Teacher and The Physics Teacher. He speaks frequently at science teacher conventions, summer workshops, and has been a Science Olympiad coach, robotics mentor, and museum presenter

Table of Contents

Chapter 1 The Exquisite Human Body

Q1 Is too much sugar in your blood bad for you? 18

Q2 When you get your hair wet, why does it look darker? 19

Q3 Can aching joints predict the weather? 20

Q4 Why are boys' and girls' voices so different? 21

Q5 Why do we sweat on hot days? 24

Q6 Why are anabolic steroids harmful? 25

Q7 What causes floaters in the eye? 27

Q8 Why do people have different blood types? 28

Q9 Why can't you tickle yourself? 31

Q10 How do some viruses make us sick? 33

Q11 Why is poop brown? 35

Q12 Can hair turn white overnight? 37

Q13 Why do we have an appendix? 39

Q14 Why is exercise good for us? 41

Chapter 2 All the Plants and Animals

Q15 Can animals sense an approaching storm? 45

Q16 Why do dogs bury their bones? 46

Q17 Why does a mosquito bite itch? 48

Q18 Where did the first tree come from? 49

Q19 Why do trees have rings? 51

Q20 Where do fossils come from? 54

Q21 Why do dogs have black lips? 56

Q22 How do eggs develop in a chicken? 58

Q23 Why do horses need shoes? 60

Q24 How did ants build a pile of dirt in my grandpa's backyard? 62

Q25 Why do we have cats as pets? 64

Q26 Why do roosters crow? 66

Q27 Why do birds and butterflies leave for winter? 68

Q28 Why do giraffes have long necks? 70

Q29 Why do we find worms on the pavement after it rains? 71

Q30 How do squirrels find the nuts and acorns they buried in the fall? 73

Chapter 3 The Science of Food and Drink

Q31 How are pumpkins grown commercially? 77

Q32 Why are cooking directions different at high altitude? 78

Q33 Can chocolate kill a dog? 80

Q34 How is olive oil made? 81

Q35 Why does unhealthy food make me fat? 83

Q36 How do home water purifiers work? 85

Chapter 4 Remarkable People in Science

Q37 How did intelligence develop in humans? 89

Q38 Why do some people stay so healthy while others end up with an incurable disease? 90

Q39 Why are Siamese twins born attached? 92

Q40 What does an astrophysicist do? 93

Q41 What do scientists do for fun? 95

Q42 Who invented photography? 97

Q43 Are there any famous father-son duos in science? 99

Q44 Who invented the gun? 101

Q45 How do lightbulbs work? 103

Chapter 5 The Science of the Heavens and Earth

Q46 Why does lightning that is close give a sharp crack while lightning far away seems to rumble? 107

Q47 What is lava made of? 107

Q48 What is outer space made of? 110

Q49 Which star is the biggest in the solar system? 112

Q50 How are galaxies made in the cosmos? 113

Q51 How long does it take to travel to the moon? 115

Q52 What is meant by a blue moon? 116

Q53 Why does the moon look really big when it comes up over the horizon but appear smaller when it is high in the sky? 118

Q54 Will a balloon filled with air or helium float on the moon? 119

Q55 What, are indium flares? 120

Q56 What is the proof that the earth orbits the sun? 121

Q57 Why doesn't Earth have more craters, like the moon? 123

Chapter 6 ARt, Music, Sports, and Math

Q58 How many shades of red are there? 126

Q59 Why is it easier to bicycle a mile than to run a mile? 127

Q60 What math questions do kids wonder about? 129

Q61 What are some additional math questions that make kids wonder? 130

Q62 What are mnemonics and how are they used in science? 132

Q63 How does throwing curveballs and sliders injure a pitchers arm? 134

Q64 What is the mathematics of the musical scale? 136

Q65 Why are Stradivarius violins so valuable? 137

Chapter 7 Incredible Technology

Q66 Why do some people put batteries in their refrigerator? 141

Q67 How do elevators work? 142

Q68 What is the world's longest railroad? 143

Q69 Why does a computer need to be rebooted? 145

Q70 How do speakers work? 147

Q71 If you tap into a telephone line, will you be able to listen to all the conversations being conducted? 148

Q72 Why don't cell phones have a dial tone? 150

Q73 How do some eyeglasses turn dark in sunlight? 152

Q74 Why doesn't stainless steel rust? 153

Q75 What is safety glass? 155

Chapter 8 At the Fringes of Science

Q76 How did Atlantis fall? 158

Q77 Why do water droplets dance on a hot pan? 159

Q78 What are my chances of being killed in a car accident? 161

Q79 How does time work? 163

Q80 Why do my hands get warmer when I rub them together? 166

Q81 Where does the light go when you turn off the light switch? 168

Q82 What are some science predictions that did not come true? 170

Q83 Why is seeing a black cat or walking under a ladder considered unlucky? 172

Chapter 9 Science Mystery and History

Q84 Why does toast land jelly-side down? 176

Q85 Why does urine smell bad after eating asparagus? 177

Q86 Why do we see so many pieces of truck tires lying on the Interstate? 178

Q87 How, why, and where did the Space Shuttle Challenger go down in 1986? 179

Q88 Did bad weather cause the disappearance of Amelia Earhart? 181

Q89 Why are the letters on a typewriter or keyboard mixed up? 183

Q90 Why does grease make white paper transparent? 185

Q91 Are viruses alive or dead? 187

Q92 Why is the first day of fall, the autumnal equinox, sometimes on September 21, sometimes on September 22, and sometimes on September 23? 189

Q93 How does dry ice burn your skin? 191

Q94 Do cell phones cause cancer? 193

Chapter 10 Chemistry and the Atom

Q95 Is there anything harder than diamond? 197

Q96 What is gold used for? 198

Q97 What causes tap water to taste more chlorinated on some days than on others? 200

Q98 What causes rubber bands to dry out and lose their elasticity? 201

Q99 How much radiation does it take to kill a person? 202

Q100 How fast does electricity move? 204

Q101 How is natural gas different from propane that we use on our grills and campers? 206

Q102 How is plastic made? 208

Q103 How was oxygen discovered? 210

Q104 What is laughing gas? 212

Chapter 11 How the World Works

Q105 What is a pencil eraser made of? 216

Q106 How fast does a bullet go? 217

Q107 What temperature is twice as hot as O°C? 218

Q108 Why do people sometimes get shocks from electricity? 219

Q109 Why do FM stations have such a limited broadcast range? 221

Q110 Could an earthquake sink a whole country? 223

Q111 How does a microwave oven cook food without a burner? 225

Q112 How can a 100,000-ton (91,000-metric ton) ship float, while a 5-ton (4.5-metric ton) truck will sink? 227

Chapter 12 Stuff I Always Wondered About

Q113 Where was the first speed trap set up? 230

Q114 Why are some refrigerants illegal? 231

Q115 Is there such a thing as centrifugal force? 232

Q116 Why do we have leap year? 234

Q117 What is the difference between ethanol and methanol? 236

Q118 What is dew point and why does it matter? 238

Q119 Why do gas gauges in cars take so long to go from full to half full, but then go from half to empty so much more quickly? 240

Q120 Why do some chemicals explode when mixed7 242

Q121 What attracts magnets to certain surfaces? 243

Index 246

About The Author 252

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