Even though a pygmy shrew is only three inches long, other things are smaller, including a ladybug, paramecia, bacteria, molecules, atoms, protons, neutrons, electrons, and quarks
Uses simple language and colorful illustrations to explain global warming to young children, including coverage of the role of fossil fuels in the warming of the atmosphere, the importance of Arctic i
Uses simple language and colorful illustrations to explain global warming to young children, including coverage of the role of fossil fuels in the warming of the atmosphere, the importance of Arctic i
The author of Can You Count to a Googol? explains the complete water cycle and also discusses ocean currents, ocean and lake habitats, and hydroelectricity, touching on water pollution and our respons
Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party!
A playful comparison in words and pictures of all things great and small takes the reader on a fascinating journey through the natural world to find the biggest thing imaginable.
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
Puts an age perspective on many of the oldest things in the world, from the giant tortoise that can live for more than 150 years to T. rex skeletons that are about 65 million years old. Simultaneous.
Complete with delightful cartoon-style illustrations, this new book gives kids plenty of information about our sun in an easy-to-read, digest format; by focusing on the needs of an elephant, the award
Bengal tigers are an endangered species due to many human-caused factors, such as poaching, habitat destruction, and global warming. In Robert Wells's signature style, this book explores these difficu
The moon does so much more than shine at night.Have you ever wondered how the moon was formed or why it changes shape in the sky? The moon's story began 4.5 billion years ago, but it continues to affect everything we do today, from weather to timekeeping. Award-winning science author Robert E. Wells explains how and why the moon matters in our lives―and for the future of space exploration.
A tiny difference in your DNA makes you one of a kind.Inside every cell in the human body are tiny molecules that define all of a person's biological traits. Award-winning science author Robert E. Wells explores DNA with curiosity and awe, pairing thrilling facts with clear explanations. Our human DNA might be 99% the same, but that last 1% difference makes each person unique.
Discusses the reasons why such conditions on Earth as its temperature, energy from the Sun, and water supply make it an ideal place for human beings to live and all the more reason why each person sho
Provides a colorfully illustrated, fact-filled guide to our planet with informative comparisons of the significant differences between Earth and the other planets in our solar system based on position
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 w
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.
