For a kid, watching a solid turn into a liquid or a liquid into a gas is nothing short of magic. In Explore Solids and Liquids! With 25 Great Projects kids expe

Read and find out about the three states of matter—solid, liquid, and gas—in this colorfully illustrated nonfiction picture book. Can you make an ice cube d

The activities in this book explain elementary concepts in the study of chemistry, including matter, atoms, molecules, physical properties of matter, and changi

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.

The activities in this book explain elementary concepts in the study of chemistry, including matter, atoms, molecules, physical properties of matter, and changi