Graphing

Definition Visual way to organize data

Parts of a graph Title Labeled axes or ‘slices’ Property unit

Types of Graphs Circle Bar Line

Circle Graph/Pie Chart Used to represent parts of a whole Usually expressed in %

Why isn’t this a good chart?

Bar Graph Used to compare sets of data

Why isn’t this a good chart?

Line Graph Represents changes in variables Usually involves two properties and shows how one changes with the other Most common graph in science X axis (horizontal) and Y axis (vertical) Best fit line

Direct relationship as volume increases, mass increases Why isn’t this a good chart?

Inverse Relationship (as frequency increase, period decreases) Why isn’t this a good chart?

Best fit line

Double line graph