Line Graphs

Front

What is the main purpose of a line graph?

Back

To show trends over time.

Front

What does it mean when the line on a graph stays the same?

Back

The graph is neither increasing nor decreasing.

Front

What is the independent variable in a line graph?

Back

The variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What does it mean when the line on a graph is slanted upwards?

Back

The graph is increasing.

Front

How do you determine how many students had more than 6 candy bars from a line graph?

Back

By counting the data points above the value of 6.

Front

What is a dependent variable in a line graph?

Back

The variable that is measured and affected in the experiment.

Front

What does a horizontal line on a graph indicate?

Back

The value is constant; it does not change over time.

Front

How can you tell if a line graph is decreasing?

Back

If the line slopes downwards from left to right.

Front

What is the x-axis in a line graph?

Back

The horizontal line that typically represents the independent variable.

Front

What is the y-axis in a line graph?

Back

The vertical line that typically represents the dependent variable.