There are millions of people in the world. Many are grown-ups. But a great many are children. Some are boys. Some are girls. Boys . . . girls . . . big or small . . . thin or fat . . . short or...
The biggest number
What's the very biggest number there is? Is it a million? That's one followed by six zeros---1,000,000. No, one million isn't the biggest number. There can be many millions. For example, the earth...
Numbers everywhere
Think of all the numbers you use every day. At school, you go into a room that probably has a number on the door. Many times during the day, the teacher will tell you the number of a page to turn to...
What is electricity?
When you turn on a light, ring a doorbell, or plug in a coffee pot, you start a parade---but it's a parade you can't see! The parade is a parade of moving, pushing electrons (ih trahnz). The energy...
Bits and pieces
> What's in a sand castle? Millions and millions of tiny grains of sand. The many grains of sand are packed together to make a single shape---a castle with towers, walls, and bridges. And what...
A window on the world
Long ago, people didn't get much news. They never even knew what happened a few miles away---unless someone who had been there told them. That was the only way to get news---someone had to tell you....
Books to Read
Your school and public library have many interesting books about animals for you to look at and read. You may find these and other books there. Ages 5 to 8 Ant Cities by Arthur Dorros (Crowell,...
Champion egg layers
Some fish don't lay eggs. Some fish lay a few eggs. Some fish lay thousands of eggs, and some fish lay millions of eggs. A mother herring may lay more than forty thousand eggs at a time. The eggs...
Buried sunshine
Nearly all rocks are made of minerals---things that are not alive and never have been. But there is one kind of rock that is not made of minerals. It is coal, a black shiny rock made of---green...
The birth and death of a mountain range
Mountain ranges rise where a sea once met a shore. They start to form when a sea bottom along the edge of a continent begins to fill up with mud and sand. As the mud and sand grow thicker, the sea...
- 1
- 2