What is volume? How can we measure it? In Volume, beginning readers learn about volume as it applies to measuring liquid and solid ingredients to bake cookies and fill a cookie jar. Vibrant, full-color photos and simple diagrams complement carefully leveled text to engage young readers as they learn about this fundamental physical science concept. A hands-on STEM activity invites readers to measure different amounts of water to compare volume. Children can learn more about states of matter and physical science concepts online using our safe search engine that provides relevant, age-appropriate websites. Volume also features reading tips for teachers and parents, a table of contents, picture glossary, and index. Volume is part of Jump's States of Matter series.