Surveys the many uses of plants, including nutrition, fuel, building, gardening, and medicine.

An introduction to the properties of sound for third and fourth graders; includes hands-on activities.

Look inside a tree and discover a world of inhabitants! A close look at this microhabitat reveals an unbelievable variety of organisms. Vibrant photographs and detailed illustrations combine to make these books informative and engaging. A visual table of contents helps readers navigate the text, and informative labels make the photographs valuable sources of information. -- Amazon.com.

This book explains the difference between commercial and subsistence farming, and how farms have developed overtime. It engagingly explains what happens to food as it is processed, packaged, and sent to the supermarket. Curious minds will see how their daily meals are enriched and made possible by the toil of the farmer.

Introduces tsunamis, describing how they are formed, what causes them, where they happen, and the type of damage they can do, along with examples of some well-known tsunamis of the past.

Who first discovered static and why was this important? What is an LED? This fascinating book looks at the historical controversies that surround the discovery and theories of electricity and tells the stories of the scientists who worked on them. It also examines how the different theories based on electricity were arrived at, how they were tested, and what impact these theories and discoveries have had on our understanding of science today.

"Explores the variety of patterns, shapes, colors, and textures found in nature and encourages kids to use nature as inspiration for their own projects. Includes project ideas."--Provided by the publisher.

This book explores light and sound, describing how they move and which moves faster.