Line graphs can help make sense of everything, from quarterly profits to weather patterns to political races, and they are an ideal tool for use during presentations or in reports.

Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important.

Drawing and interpreting graphs and charts is a skill used in many subjects. Learn how to do this in science with BBC Bitesize. For students between the ages of 11 and 14.