Grade 4

2610 records found. Displaying 2509 - 2520.

Economics

What is Insurance?

Insurance is all around us - at home, at work, in the car - acting as a 'safety net' in our daily lives. Look inside What is Insurance? to learn all about this fascinating and essential part… More →

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Life Science

What is Migration?

When most people think of migration, they think of birds flying south to escape the cold winter - but many other animals migrate for many different reasons. From whales and deer to… More →

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Life Science

What is pollination?

Pollination has been in the headlines for the past few years because it directly affects the food supply on Earth. Flowering plants produce fruit or seeds only after pollination. Pollination… More →

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Economics

What is Scarcity of Resources?

This book describes resources to younger readers, including capital resources and natural resources. Emphasis is placed on how most resources are of limited supply, so producers and consumers More →

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Life Science

What is super nature?

This intriguing book looks at the remarkable abilities of plants and animals, which need to be studied to make our environment more sustainable. People have already used birds as models for… More →

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Economics

What is Supply and Demand?

The concept of supply and demand is made easy in this fascinating new title! Look inside What is Supply and Demand? and learn the ins and outs of this fundamental concept of economics. More →

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Life Science

What is the Animal Kingdom?

Few books explain the scientific classification of animals as well as What is the Animal Kingdom? All creatures, including insects, mammals, and fish, are classified and described from simple More →

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History · Social Studies

What is the executive branch?

The executive branch of the United States government is responsible for putting laws into action. This book carefully explains the workings of the executive branch, from its most visible… More →

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History · Social Studies

What is the judicial branch?

The judicial branch of government consists of the nation's courts. This title explores the role of the United States Supreme Court and its role in interpreting the U.S. Constitution, as well… More →

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History · Social Studies

What is the legislative branch?

The legislative branch of the United States government represents the people and makes the laws which they live by. This book introduces readers to the House of Representatives and Senate,… More →

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Earth and Space Science

What Is the Rock Cycle?

What is the Rock Cycle describes the natural transformation of one type of rock into others. Beginning with igneous rocks made in volcanic eruptions, rock is weathered and eroded gradually to More →

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Economics

What is Trade?

This book carefully explains how countries around the world engage in trade. Whether it is a detailed description of how countries negotiate trade agreements, how countries use tariffs to… More →

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