Search Results: 471 books from 1 publisher. Learn more

What are insulators and conductors?

Jessica Pegis (author)

Publisher: Crabtree Publishing Company ISBN: 9781427180537

This informative title introduces readers to the electrical properties of different materials. Readers will learn that conductors are materials that allow the flow of electricity, while insulators are materials that do not allow the flow of electricity. Clear text and relatable, real-world examples help readers understand the importance of conductors and insulators and how each reacts to electric current. Readers will also learn how to perform simple tests to identify materials that are conductors and insulators.

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 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.

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.

What is the Animal Kingdom?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427166746

All types of creatures, including insects, mammals, and fish, are covered in this engaging book on the animal kingdom. Young readers will learn all the basics of kingdoms, orders, classes, and species.

What is a Living Thing?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427166739

Children see themselves as part of a non-living world of houses, schools and televisions. This intriguing new book explains what a living thing is so that children can make the connection between themselves and other living things, including plants, animals, and insects.

What is a Forest?

Bobbie Kalman, Kathryn Smithyman (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427166722

What are Forests? brings to life the wondrously complex and diverse ecosystems found in forests around the world. Intricate relationships and concepts are explained in a simple way with the help of beautiful color photographs. Children will be fascinated by the earth's many types of forests, the elements that make up a forest ecosystem, the wide range of plant and animal species that live in different forests, and the importance of forests to the rest of the Earth.

What is a Biome?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427166678

Biomes are the major communities of plants and animals in our world. Children will love learning about life in everything from the chilly arctic tundra biome to dry, grassy savannahs.

What is a Mammal?

Bobbie Kalman, Kathryn Smithyman (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778790129

This delightful new book shows children the ways in which mammals are different from other living things. Fascinating examples are featured, from mammals that lay eggs or have a pouch to human beings.

What is a Bat?

Bobbie Kalman, Heather Levigne (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778790105

From blood-sucking vampire bats to mango-eating fruit bats, What is a Bat? tackles bat myths and teaches children about their hibernation, reproduction, migration, habitats, and bat communication.

What are Food Chains and Webs?

Jacqueline Langille, Bobbie Kalman (authosr)

Publisher: Crabtree Publishing Company ISBN: 9780778790136

Starting with the sun, food chains link together plants and animals in various ecosystems to help them survive. Kids will be fascinated by these chains and their own links to the natural world.

What is a Life Cycle?

Bobbie Kalman, Jacqueline Langille (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778790150

This exciting new book explains the basic concept of the life cycle. Using fascinating examples, the book explores both plant and animal life from seed or egg through birth, growth, reproduction, and death.

What are Wetlands?

Bobbie Kalman, Amanda Bishop (authors)

Publisher: Crabtree Publishing Company ISBN: 9781427166661

The constantly changing ecosystems of salt and freshwater wetlands support an amazing variety of wildlife species. Children will be intrigued by the fascinating animals that depend on wetlands, such as alligators and hippopotamuses, and the plants that grow there. This engaging book investigates swamps, salt marshes, and flood plains, the many plants and animals that live in wetlands, and the threats to these ecosystems and their wildlife.

What is a Bear?

Bobbie Kalman, John Crossingham (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778790006

Powerful yet shy, bears are solitary creatures remarkable for their size, strength, and adaptable intelligence. What is a Bear? gives children clear insight into the bear family tree, a bears body, how mothers care for their cubs, their diets, and hunting techniques.

What is Migration?

John Crossingham, Bobbie Kalman (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778789963

From whales and deer to butterflies and eels, animals migrate to breed, feed, stay warm, find water, and even sleep! Animals follow paths passed on for generations ensuring the survival of their species. Discover the amazing treks of the Arctic tern, the salmon, and the Canada goose.

What is a Horse?

Bobbie Kalman, Heather Levigne (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778789994

Children love horses! Today, there are more than 300 different breeds around the world! What is a Horse? explores the family tree of horses and their equine relatives including their physiology, feeding habits, the birth of a foal, "horse sense", and horses in the wild.

What are Camouflage and Mimicry?

Bobbie Kalman, John Crossingham (authors)

Publisher: Crabtree Publishing Company ISBN: 9780778789987

In the animal world, the easiest way to avoid being eaten is to avoid being seen. What are Camouflage and Mimicry? examines animals that use unique colorization and patterns to avoid predatorsor to sneak up on prey! Some are virtually impossible to see.

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 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 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 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.