Introduces matter and its states, presents a brief history of the study of matter, and discusses the conditions needed to change between the different forms.

This book in the Primary Physical Science series is full of surprising facts and hands-on activities to help kids explore solids, liquids and gases.

"Readers will learn how states of matter and the physics behind it impacts our universe every day, along with more about the laws, history, and applications of this foundational STEM concept" --

Illustrates the differences between sinking and floating. Explains what causes an object to sink or float and how these concepts affect everyday life. Colorful photographs and diagrams help illustrate each science concept. A chart compares the concepts head-to-head to help solidify readers' grasp of the material. Additional features include a table of contents, a phonetic glossary, an index, and sources for further research.

Illustrates the differences between solids, liquids, and gases. Explains what causes an object to change between solid, liquid, and gas, and how the states of matter affect everyday life. Colorful photographs and diagrams help illustrate each science concept. A chart compares the concepts head-to-head to help solidify readers' grasp of the material. Additional features include a table of contents, a phonetic glossary, an index, and sources for further...

Introduces young children to the physics concept of mass.