Finding Relationships Between Variables: Students use scientific graphing skills to graph data and analyze graphs to identify direct, exponential, and inverse relationships between variables.

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.

Why do you always make a graph in physics lab ... In most cases it is to show that there is a relationship between the variables being ... versus time squared (t 2) and these two should be ...

This shows there is a relationship, or correlation, between the two variables. The line has a positive gradient. This relationship is called a positive correlation.