Explains how minerals form, what their physical properties are, and what information they reveal about the Earth's past.

Take a quest on the journey of rock! Explore how they form, change, move, evolve and erode. Introduces basic information on metamorphic rocks, explaining rock formation, types, and locations, as well as the ways people research and use them.

Readers of this informative text will find that recently, doctors have come to understand five main types of bipolar disorder as well as a spectrum of issues that share some symptoms with it. Emotional triggers, stress, trauma, and even seasons can cause different mood episodes for different people with bipolar disorder, and this book explores the various routes people can take to determine the best ways to treat and cope with their individual cases....

How did ancient people manage to find light sources? How do we know about light-based theories such as prisms? This fascinating book looks at the historical controversies that surround the discovery and theories of light and tells the stories of the scientists who worked on them. It also examines how the different theories based on light were arrived at, how they were tested, and what impact these theories and discoveries have had on our understanding...

This book introduces cells, including different types of cells, how cells work, and how new cells form.

Discusses what paleontologists do, how they find fossils, and what it takes to become a paleontologist.

"All materials can exist in different states, but what are the differences, and how do materials change from one state to another? This book explores solids, liquids, and gases, looking at their properties and the processes involved in changing state"--From the publisher's web site.

"The world is full of materials, and they are all different. This book explores the wide range of materials we use, looking at their properties and what makes them suitable for different applications"--From the publisher's web site.