Can you breathe it? Can you put your hand through it? It is a gas. Gases have no color, shape, or size. Everything on Earth is made of one of three kinds of matter: liquids, solids and gases. In Gases, readers will learn about the properties that help identify gases. The AV2 Arabic language collection gives emerging bilingual readers access to both a printed Arabic and English book, and a bilingual ebook that provides Arabic and English translations of the text.