Why? Everyday Science (책 + 워크북 + 단어장 + 오디오 CD 3장)

Introduction to Why? Everyday Science … 4
All You Need Is a Magnifying Lens! … 8
Digital Cameras Require No Film … 14
How Do Vending Machines Distinguish Money? … 20
The Secret Hidden in a Coke Can … 26
An Elevator Is a Giant Pulley … 32
How to Distinguish between a Boiled Egg and a Raw Egg … 38
There’s a Time Bomb in the Microwave! … 44
Straightening Out a Crushed Ping-Pong Ball … 50
You Can Smell Only When There’s No Smell? … 56
Science Hidden in Vacuum Cleaners … 62
There’s Science Behind Hair Dyeing, Too … 70
A Beauty Shop Is a Chemical Laboratory! … 74
Bicycles Have Wheels and Axles … 80
Science Gives Ice Cream Its Flavor … 86
How Washing Machines and Detergents Work … 92
The Principle of Ironing and Bimetal … 98
Lightning Rods Keep Lightning Away from People … 104
Static, Generated Through Rubbing … 110
Why Are Danger Signals Red? … 116
Why Snack Packages Are So Full … 122
The Doppler Effect on the Road … 126
Mosquitoes and Flies Make Different Sounds! … 132
Saliva Is Not and Antiseptic! … 138
Dark Adaptation and Light Adaptation … 144
A Thermos Is Full of Science … 150
How Mobile Phones Vibrate … 154