Checkerboard science library

Describes what farms are like, how they differ from one another, and why many middle-sized farms are disappearing.

An introduction to the history, printing, and production of books.

Centipedes are some of the world's most fascinating bugs! This book's easy-to-read text and larger-than-life color photos bring the centipede's world to life, introducing readers to a centipede's diet, habitat, enemies, and methods of defense. Diagrams help readers investigate the concept of metamorphosis and identify body parts, from the centipede's poisonous fangs to its many legs. The digestive, respiratory, and circulatory systems are also described....

This book contains facts about collecting shells that will inspire the reader to start his or her own collection. Readers will gain a working knowledge of this hobby which includes background history of shells and mollusks dating back to the Bronze Age, research and resources, the best places to find, buy or trade shells, and how to organize, store and care for a shell collection. There is also a crafts section for the creative use of extra shells....

Describes the main crops grown in the United States, the soil composition and climate conditions necessary for their growth, the development of hybrids, and the importance of caring for the land.

Discusses what farmers do and how their work has changed and continues to change over the years.

Introduces various kinds of agricultural machinery, describes some of their major parts, and explains how these machines are used on the farm.

From breakfast to dinner and everything in between, this title offers eager readers a fun look at energy balance. Bright, colorful photos will entice readers as they learn how to read nutrition labels and use serving sizes. Readers will also gain an understanding of the Food Guide Pyramid and ways to balance their energy in and energy out. Engaging chapters present skills for making smart food choices and approach issues related to BMI and body image...

Examines food and nutrition related topics that have been featured in the news, covering superfoods, friendly bacteria, phytochemicals, going green, obesity, antioxidants, and fad diets.

Explores dangers associated with fad diets and discusses characteristics of healthy diets and diets for people with special needs.