This document provides tips on how to read charts and graphs for the ACT science section. It discusses identifying the type of information presented in titles and legends. It emphasizes being able to determine both what a chart conveys as well as what information it does not include. Examples are given of different types of charts and how to interpret the data as well as limitations. Key points are to carefully examine all elements of a chart and think critically about what can and cannot be concluded from the visual representation.