Many people believe "a picture is worth a thousand words," which is why charts and graphs can be very helpful when gathering information! A chart shows information, usually in rows and columns, and a graph shows how one type of information relates to another. They use colors, numbers, shapes, and words to make data come alive, which readers experience firsthand in this volume. Readers practice their comprehension of charts and graphs, which helps to enhance their abilities outside of the classroom while focusing on social studies topics.