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Why Do Elephants Need the Sun?
Robert E. Wells
Paperback (INDPB, Sept. 1, 2012)There are trillions of stars in the universe, but we rely on our sun to provide (or contribute to) most of what we need to survive and thrive: heat, light, plants, animals, wind, and water. Complete with fun, cartoon illustrations, this book give kids plenty of information about our sun in an easy-to-read and digest format. By focusing on the needs of an elephant, Wells makes clear just how important the sun is to life on Earth.
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What's Smaller Than a Pygmy Shrew?
Robert E. Wells
Paperback (INDPB, Jan. 1, 1995)A pygmy shrew is among the tiniest of mammals. A ladybug is even smaller. But in this book you will find small things you could not ordinarily see.
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What's Faster Than a Speeding Cheetah?
Robert E. Wells
Paperback (INDPB, Jan. 1, 1997)What's faster than a cheetah?--no animal on earth can run faster. But a peregrine falcon can swoop faster than a cheetah can run. And the falcon can't compare to an airplane, a rocket, or the speed of light.
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Is a Blue Whale the Biggest Thing There Is?
Robert E. Wells
Paperback (INDPB, Jan. 1, 1993)The blue whale is the biggest creature on Earth. But a hollow Mount Everest could hold billions of whales! And though Mount Everest is enormous, it is pretty small compared to the Earth. This book is an innovative exploration of size and proportion.
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How Do You Lift a Lion?
Robert E. Wells
Paperback (INDPB, Jan. 1, 1996)How do you lift a lion? With a machine that's big and powerful with clanking metal parts? There are machines like that. But otheres have only a few moving parts. In fact, some machines are so simple that they don't seem like machines at all―like the wheel, the lever, and the pulley. These machines can make work easy―even if you're trying to lift a lion!
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How Do You Know What Time It Is?
Robert E. Wells
Paperback (INDPB, Jan. 1, 2002)What would life be like with no clocks and no calendars? How would you know when to get up in the morning? Long, long ago, all people could do was watch the sun and moon and try to figure things out. Eventually, they made simple clocks like sundials.
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Can You Count to a Googol?
Robert E. Wells
Paperback (INDPB, Jan. 1, 2000)You may be able to count all the way to one hundred, but have you ever counted to a googol? It's impossible! In this fun book of numbers, Robert E. Wells explores the wonderful world of zeros and tells how the googol came to be named.
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Did a Dinosaur Drink This Water?
Robert E. Wells
Paperback (INDPB, Jan. 1, 2006)The author explains the complete water cycle and also discusses ocean currents, ocean and lake habitats, and hydroelectricity. He also touches on water pollution and our responsibility to keep our water clean.
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What's Older Than a Giant Tortoise?
Robert E. Wells
Paperback (INDPB, Jan. 1, 2004)Some giant tortoises have lived for more than 150 years! Some of the giant sequoia trees that grow in California would be more than 3,000 years old. This book compares the age of some things on Earth.
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Is A Blue Whale The Biggest Thing There Is?
Robert E. Wells
School & Library Binding (Turtleback Books, Jan. 1, 1993)FOR USE IN SCHOOLS AND LIBRARIES ONLY. Illustrates the concept of big, bigger, and biggest by comparing the physical measurements of such large things as a blue whale, a mountain, a star, and the universe.
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Polar Bear, Why Is Your World Melting?
Robert E. Wells
Paperback (Albert Whitman & Company, Sept. 1, 2008)In the Arctic, the summer ice is melting, making it hard for polar bears to survive. Why is the world getting warmer? The heat of the sun is trapped by the "greenhouse" gases that surround Earth--carbon dioxide, methane, nitrous oxide, and water vapor.
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How Do You Lift a Lion?
Robert E Wells, Christy Grant
Library Binding (Perfection Learning, Jan. 1, 1996)Provides a simple introduction to the use of levers, pulleys, and wheels to move heavy objects.
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