"Did you know rocks and lava are made of the same elements? Rocks are solid and lava is a liquid! Explore the properties of solids through colorful photos and carefully leveled text."--.
Presents an explanation of matter, and discusses the characteristics of each of its three forms, including solids, liquids, and gases. Includes related examples, and experiments.
Contains video clips and animations that demonstrate the science concepts of temperature, solids, and liquids, and how they work in everyday life, including a visit to a metal foundry, and a look at natural and man-made insulation.
An introduction to solids that explains how they are different from liquids and gases, describes how solids can change, and discusses the different forms of matter.