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

"Within the rock cycle, there are so many other processes! Weather, erosion, and the creation of metamorphic, igneous, and sedimentary rock are all part of the greater process scientists call the rock cycle. In this colorful and engaging volume, readers read about each process in accessible language and then review it in an easy-to-follow flowchart. Full of Earth science content that supports classroom learning, the main content guides readers through...

Take a quest on the journey of rock! Explore how they form, change, move, evolve and erode. Introduces basic information on crystals, explaining crystal 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....

Learn all about dolphins and whales : how they live, work together, communicate, defend themselves and much more.

This book introduces the forms of energy and explains the two states of energy called potential energy and kinetic energy.

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

"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.