My fingernails and toenails are made up of hard skin cells. These cells are formed by the same protein that makes my hair strong. Animals' claws and hoofs are made of the same thing. My nails grow...
Measuring speed
The mighty Superman can move faster than a speeding bullet---but how fast is that? A tiny snail creeps along at what is called a "snail's pace"---but how slow is that? There's an easy way to measure...
Make a tin-can telephone
Materials > • hammer > > • nails (3 small) > > • thread (heavy duty--- > > 12 feet; 3.6 meters) > > • tin cans (2) This telephone doesn't need electricity to work. A piece of thread carries...
A pull from electricity
You can build your own electromagnet---and you can find ways to make your magnet stronger. This project will show you how. Ask a grown-up to use the knife to scrape about an inch (2.5 centimeters)...
Stool
Materials 1. Square one end of the 1 x 10 and the 1 x 4 pine boards (see squaring, page 202). 2. Cut the pieces for the stool. Measure and saw one piece at a time (see sawing, page 202). Use...
Old-time skate scooter
Materials - common nails (4d and 8d or larger) - crosscut saw - flat, 4-inch L brackets and screws - hammer - hand drill with twist drill bit - lumber (6-foot 2 x 4 or two 3-foot 2 x 4's; 1x1;...
Walking-tall stilts
A long time ago, people used stilts to walk above flooded ground. You can use stilts to make you taller, to help you look over high fences, or to pretend you're the tall man in the circus. Materials...
Bamboo wind chimes
Bamboo is a giant grass that grows in lands that are very hot and wet. It is stiff, like wood, and has a hollow stem. Materials - bamboo pole - coping saw - hand drill with j-inch twist drill...
Helpful hints
The following information will help you make the projects in this section. If a special skill is needed, the directions will tell you the page on which that skill is explained. For example: "Saw...
Seaweed, snails, and frozen fish eyes
If you were offered seaweed, or snails, or frozen fish eyes, what would you do? Would you turn up your nose in disgust? Or would you say, "Yes, thank you!"? In Japan, seaweed is an important food....
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