A graph is a visual type of model. This type of model can show the relationship of one thing to many others.
Line graph
Draw a list of pictures about what you had to do kind of like instructions and there is you chart
a testable model can be a hypothesis
different kind experiment data present bar graph
its is an empirical model
Bar graph
Its a picture graph
depends what graph....
Every graph shows comparisons of some kind or another.
Pie graph
Scatter Graph
Line graph
A double bar graph has no spaces.
a line graph
line graph
A pie graph is used for percentage.
A graph of distance against time.