First Step Nonfiction — States of Matter

This science series explores the physical properties of solids, liquids, and gases. The texts describe changes in states of matter using simple texts and corresponding color photographs. Meets national science standards.

Cover: What Is a Solid?
Cover: What Is a Gas?
Cover: What Is a Liquid?
Title Season Add to Cart
What Is a Gas?
What Is a Liquid?
What Is a Solid?
  • Available in limited formats
  • Soon! Fall 2025
  • New! Spring 2025
  • New! Fall 2024