Solids

Solids are a state of matter with a fixed shape and volume, where particles are closely packed together in a structured arrangement. Articles are a unique way for readers to learn about the world around them. In addition to building reading comprehension skills and increasing vocabulary, articles can be used for writing and research. Solids is broken into 6 single-page sections: What Are Solids?, Properties, Types, How Solids Can Change, Solids in Daily Life, and Words to Know.