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Bats fly into the spotlight in this exploration of such basics as where the live, how mothers raise their pups, and how they hunt for food. Included as well is a simple plan for a building a backyard bat house. 1995 "Pick of the Lists" (ABA)Best Children's Science Books 1995 (Science Books and Films)

Did you know that an oil spill occurs somewhere in the world almost every day of the year?Oil spills can have many different causes, but the result is the same. Oil harms plants and wildlife that make the oceans and coastlines their home. Scientists are learning the best ways to combat oil spills. Learn how you can help, too!

Why should you be a friend to trees?Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't live without them.

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.

Aliki takes readers on a guided tour that begins with grazing cows, proceeds through milking and a trip to the dairy, and ends with some different foods made from milk. This revised edition of Aliki's 1974 Green Grass and White Milk is an even more fun-filled and informative explanation of milk's trip from green grass, to cow, to a cool glass on the table.

What happened to the dinosaurs?For millions of years these fantastic creatures roamed our planet. Then, suddenly, they all disappeared. Scientists wonder why. What could have caused this huge extinction 65 million years ago?In this enlarged edition, distinguished writer Franklyn M. Branley and award-winning artist Marc Simont provide the perfect introduction to an always fascinating subject - the disappearance of the dinosaurs.Outstanding Science Trade Books for Children 1989 (NSTA/CBC)

The switch goes up -- the light goes on,The switch goes down -- the light goes off.It seems like magic! It's not -- it's electricity. But how does a light actually work? In this clear and simple book learn all about electricity, how it's produced, and how it can be used. At the end you'll learn how to conduct fun experiments that will let you generate electricity yourself!

WindHave 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, find out about the wind - what causes it, how it can be used to help us, and how it affects the weather.Arthur Dorros shows you how to make your own weather vane, and in simple terms, with playful illustrations, he explains just what makes the wind that blows all around us.

Let's-Read-and-Find-Out about SnakesSlithering, scaly, and sly?snakes are fascinating reptiles. They are also hunters. Find out how snakes survive in the wild, and how they capture their prey.

'Branley explains these powerful storms in simple terms young children can understand. He describes the funnel cloud and how it forms and [tells] what to do during a tornado. The book ends on a comfortable note, that the idea is not to panic but to know what to do to ensure safety.' ?BL. A Reading Rainbow Selection

Did you ever wonder where an ant goes when it disappears into an anthill? Underneath the hill there may be miles of tunnels and hundreds of rooms. Read to find out how to make your own ant farm!

How can you tell dinosaurs apart?You can learn a lot about dinosaurs by looking at their bones. Some dinosaurs were very small; others were huge. Some had sharp, pointy teeth for eating meat; most plant-eaters had flat, dull teeth. Some dinosaurs' hipbones pointed forward, while other dinosaurs' hipbones pointed backward. There were dinosaurs with bony armor on their backs and others with deadly horns on their heads. Today scientists have divided dinosaurs into separate orders according to their special characteristics. It's easy to see--dinosaurs are different.

How do we know what dinosaurs were like?Dinosaurs roamed the earth millions of years ago. Then suddenly they all died out. How do we know now what they looked like? How do we know that they really existed at all? Read and find out how scientists have proven the existence of dinosaurs by studying fossil remains. Each new fossil find helps them to ice together a picture of what the world was like millions of years ago.

What's so great about corn?Popcorn, corn on the cob, cornbread, tacos, tamales, and tortillas. All of these and many other good things come from one amazing plant. Aliki tells the story of corn: How Native American farmers thousands of years ago found and nourished a wild grass plant and made it an important part of their lives. They learned the best ways to grow and store and use its fat yellow kernels. And then they shared this knowledge with the new settlers of America.

Young stargazers learn about different star colors and brightnesses, how to locate major constellations, and how to make mini planetariums by using coffee cans and flashlights. 'A fine job of encouraging young people to look at stars and constellations. . . . Highly recommended as a science resource book." ?Science and Children. "A dandy book for [primary grade] readers." ?AP.

Dinosaurs are extinct now, but you can visit dinosaur skeletons in a museum. There you will meet Brachiosaurus, Stegosaurus, and Diplodocus and learn how they ruled the earth millions of years ago. You'll see dinosaurs with over 1,000 teeth, dinosaurs who could swim, meat-eaters and plant-eaters. And, of course, you'll meet the king of all dinosaurs, the gigantic Tyrannosaurus rex.

Did Dinosaurs Have Feathers? Birds have feathers, but did you know some dinosaurs did too? New fossils have shown that as long as 145 million years ago, some dinosaurs had feathers, just as birds do. The birds you see outside your window are relatives of these ancient creatures. Ages 5-9