Grade 4

2610 records found. Displaying 2497 - 2508.

Life Science

What is climate?

Climate is the average weather in an area over many years. It includes temperature, precipitation, wind patterns, and seasons. Climate is different in different parts of the world, as well as More →

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Life Science

What is electricity?

Inspire readers to get wired for knowledge! This informative new title introduces the scientific principles of electricity. Full-color photographs, accessible text, and relatable, real-life… More →

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Life Science

What is electromagnetism?

This engaging title explains that electromagnetism is the combined power of electricity and magnetism. Detailed images, clearly written text, and opportunities for hands-on learning combine… More →

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Life Science

What is Hibernation?

Hibernation is one of nature's greatest miracles, allowing animals to sleep through periods of extreme cold (and heat). From the tundra to the desert, this ability enables animals to live in… More →

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Economics

What is Importing and Exporting?

This interesting new book provides essential information with plenty of full-color images to help explain the basics of importing and exporting in a global economy. Aspects such as importing… More →

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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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