Simple text teaches that matter exists in different forms, each with unique properties.
This book explains how water can change from a solid to liquid or gas.
In this chapter book, Olivia and her cousins are ice skating when they see Uncle Terry's glasses stuck in the ice and decide to get them out.
On a very hot day, Paolo and Teresa learn about freezing and melting liquids by making cold slushes.
6 copies of States of Matter Concept Book. Teaches the most common states of matter.