A graph should always have a title describing what the graph is about.

• true

• false

The factor that is manipulated in an experiment is usually plotted on the vertical axis of the graph.

• true

• false

A model can be used to represent something that is too small to see with the naked eye.

• true

• false

An _ is a variable that is deliberately manipulated in an investigation.

• independent variable

• dependent variable

A _ is the variable that changes as a result of the manipulation of the independent variable.

• dependent variable

• measurement

A _ is used to display and compare data in a number of separate, or distinct, categories.

• bar graph

• circle graph

• line graph

A _ is used when you are showing how each group of data relates to all of the data.

• bar graph

• circle graph

• line graph

A _ is a graph with points plotted to show a possible relationship between two sets of data.

• bar graph

• line graph

• scatter plot

A _ is a representation of an object or a process that allows scientists to study something in greater detail.

• model

• graph

• globe

A graph in which the relationship between independent and dependent variable can be shown with a straight line is a _.

• linear graph

• nonlinear graph