Search Results: 305 books from 1 publisher. Learn more

Atoms and Molecules

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778789628

Young readers will be amazed to learn about the tiny particles that make up everything in the world around them. Colorful illustrations and fun fact boxes will help readers understand how atoms come together to form molecules, the building blocks of everything in the universe.

Acids and Bases

Lynnette Brent (author)

Publisher: Crabtree Publishing Company ISBN: 9780778789611

Did you know that cola is an acid? And your saliva is a base? Young readers will learn about common acids and bases from lemon juice to ammonia. Through vivid examples and exciting illustrations, this book will eagerly explore these important chemical compounds.

Why We Need Water and Fiber

Angela Royston (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196828

Water plays a vital role in nearly every bodily function, including regulating temperature and removing toxins. Fiber is essential for gastrointestinal health. This compelling book examines how fiber and water work together to help our digestive tracts run smoothly.

Why We Need Proteins

Angela Royston (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196804

Our organs, bones, muscles, skin, and hair either contain or are made of proteins. This engaging title explains how our bodies break down large protein molecules into the amino acids that our bodies need to maintain our muscles, bones, blood, and body organs.

Why We Need Minerals

James Bow (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196798

Minerals boost our immune systems, support normal growth and development, and help cells and organs function. This engaging title explores the roles of key minerals, such as calcium, iron, potassium, and magnesium.

Why We Need Vitamins

Marina Cohen (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196811

We all know that vitamins are necessary for proper growth and good health. But what vitamins do we need and how does our body use them? This informative title identifies essential vitamins and explains how our bodies absorb them.

Why We Need Carbohydrates

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196774

Even though carbohydrates have been given a bad rap in recent years, they are essential for maintaining good health. This fascinating title examines the chemical structure of carbohydrates and explains the differences between simple and complex carbohydrates.

Why We Need Fats

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196781

There is a great deal of fuss about fat! Fat is an essential nutrient for optimal health, however too much fat can lead to health problems. This informative title helps clear up the confusion about this controversial nutrient.

What is a Bird?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427166685

What makes birds different from other animals? Do all birds fly? How are the bodies of birds different? Where do they live and how do they build their nests? These questions are answered in this fascinating new book on what makes a bird.

What's the Plan?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9780778798033

It is essential that scientists design a plan to ensure their experiments are conducted accurately and safely. Readers will learn how to gather materials, and create a step-by-step procedure to test their hypothesis. Readers will become familiar with controls and variables in a scientific setting.

What's the Problem?

Kylie Burns (author)

Publisher: Crabtree Publishing Company ISBN: 9780778798040

Science engages a curious mind. Questions can come from practically anywhere. Readers will learn why scientists ask questions and how to develop meaningful questions to help guide their scientific experiments.

What Just Happened?

Paul Challen (author)

Publisher: Crabtree Publishing Company ISBN: 9780778798002

Science never stops-even when the experiment is complete. Now is the time to make sense of your data. This title teaches young scientists how to analyze, interpret, and communicate the results of their data.

What's Going On?

Kylie Burns (author)

Publisher: Crabtree Publishing Company ISBN: 9780778798019

Sharpen your pencils and put on your goggles! It's time to see science in action! This book helps readers hone their observation and recording skills during an experiment. Students will learn how to effectively collect and record data in a journal, as well as organizing data using graphs, charts, and diagrams.

What's Going to Happen?

Paul Challen (author)

Publisher: Crabtree Publishing Company ISBN: 9780778798026

Sometimes a hunch isn't enough. Learn how scientists make educated guesses called hypotheses to test their theories. A hypothesis is the foundation of the scientific method. Readers will learn how to construct a measurable and focused hypothesis to test in an experiment.

What Do We Know Now?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797999

Science was meant to be shared with others. Scientists must now determine whether or not the data supports their hypothesis. This book illustrates fun and interesting ways in which to report your results, from a science fair demonstration to a written report. Readers are also encouraged to use their results as a springboard for further experimentation.

What Is the Theory of Plate Tectonics?

Craig Saunders (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195319

In 1912, German meteorologist Alfred Wegener proposed that the continents were once a single land mass but had slowly moved apart over millions of years. This fascinating book examines the scientific process behind Wegener's theory and how it challenged prevailing views of the time. Learn how years after Wegener's death his theory was embraced by scientists and is now the basis for modern earth science.

What Is Atomic Theory?

Adam Mclean (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195265

Learn how John Dalton developed his influential theory that explains the shape, structure, and behavior of atoms. This title also explores how Dalton's major breakthrough made later discoveries, such as atomic fission, possible.

What Is the Theory of Evolution?

Robert Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195272

This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the data gathered during his extensive voyages. The book also explores the controversies that developed around the publication of Darwins theory of natural selection and how the debate continues today.

What Is Germ Theory?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195302

French chemist Louis Pasteur made several significant contributions to the world of science. This intriguing book examines how Pasteur uncovered the basis of the modern germ theory. Readers will learn how Pasteur's theory helped him develop vaccines for anthrax, rabies, and other diseases and how his work continues to influence modern medicine.

What Is Cell Theory?

Marina Cohen (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195289

This fascinating new title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. His groundbreaking work inspired scientists and led to the creation of this fundamental biological principle that shaped modern biology.

What Are Newton's Laws of Motion?

Denyse O'Leary (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195296

This exciting book examines how Sir Isaac Newton developed three basic laws that govern the way in which objects move. Readers will learn how Newton expanded on the work of other great scientists, including Galileo and Copernicus, to make his important discovery. The book also explains how Newtons laws have influenced modern science and technology in areas such as sports and transportation.

The St. Lawrence: River Route to the Great Lakes

Lynn Peppas (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791690

This informative book follows the St. Lawrence River, once a main route of the fur and timber trades. This important commercial waterway forms part of the boundary between Canada and the United States and connects the Great Lakes with the Atlantic Ocean. Today, a system of canals, dams, and locks lets seagoing ships travel all the way to Lake Superior.

The Nile: River in the Sand

Molly Aloian (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791676

The Nile is the worlds longest river and the birthplace of one of the greatest civilizations of the ancient world. This book takes readers along the River in the Sand. Ancient Egyptians depended on the Niles annual floods to deposit fertile soil for farming. Today, more than 70 million people still grow crops in the rivers basin and fish in its waters.

The Mississippi: America's Mighty River

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791669

This wonderful book takes readers along the mighty Mississippi. Often celebrated in music and literature, its exploration by explorers spurred the growth of a new nation. Today, the Mississippi not only provides transportation for agricultural and industrial goods but also supplies water for millions of people.

Science, Medicine, and Math in the Early Islamic World

Trudee Romanek (author)

Publisher: Crabtree Publishing Company ISBN: 9781427195630

The scientific contributions of the early Islamic empires to science, medicine, and mathematics is considerable. This revealing book explores: their public hospitals, libraries, and universities; their achievements in mathematics and astronomy, and the pursuit of alchemy; Arabic numbers; optics; music and musical instruments; poetry; and education.