Kategoria BISAC: Juvenile Nonfiction >> Science & Nature - Environmental Science & Ecosystems

Have you ever noticed how blue Earth looks in photographs taken from space? This is because of our oceans. Earth is the only planet in our solar system with water on its surface--more than 200 quadrillion tons of water--and it's constantly in motion. You don't have to live near the ocean to know its power. Changes in temperature far out in the sea can cause a drought thousands of miles away. The oceans affect us all. Award-winning science writer Seymour Simon brings you an in-depth exploration of the oceans.

Have you ever felt the wind tickle your face or heard it whistle through your window? Did you know that some wind travels faster than a car? Read inside to find out more about what causes wind, and learn how to make your own weather vane

Have you ever felt the wind tickle your face or heard it whistle through your window? Did you know that some wind travels faster than a car?

Air is always moving. We can't see air moving, though we can watch it push clouds across the sky, or shake the leaves of a tree. We call moving air the wind. In this enlarged edition,...

Water is always flowing, from a brook to a stream, to a river to the ocean. Read and find out more about how water shapes the earth and why it is important to keep our water clean in this fascinating book from author-illustrator Arthur Dorros. This book clearly explains terms like "brook," "stream," "river," and "delta," and the full-color illustrations show where water comes from, how it travels, and where it goes.

This is a Stage 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. Let's-Read-And-Find-Out is the...

It is another hot day in the desert. Birds and other animals scurry about looking for food. When they get tired they stop to rest at a giant cactus. It is their hotel in the desert

Many different animals live in the cactus hotel. It protects them; and they protect it, by eating the pests that could harm the cactus.

The cactus grows larger and larger and will live for about two hundred years. When one animal moves out, another moves in. There is never a vacancy in the cactus hotel.

This story--about a desert, a giant cactus, and the animals who live in it--is one that...