Designing Experiments Review

Front

What type of graph is best for showing changes over time?

Back

Line Graph

Front

What is plotted on the y-axis of a graph?

Back

The dependent variable, such as the Number of Bacteria.

Front

When comparing two experimental setups to determine the effect of light on seed germination, which setups should be compared?

Back

Setups (2) and (4) only.

Front

What is a control in an experiment?

Back

A set of conditions used as a baseline for comparison.

Front

What is the independent variable in an experiment?

Back

The variable that is changed or controlled, such as Year in a graph.

Front

What type of graph is used to show parts of a whole?

Back

Pie Chart

Front

What is the purpose of a histogram?

Back

To show the distribution of numerical data.

Front

What does the x-axis typically represent in a graph?

Back

The independent variable.

Front

What is a dependent variable?

Back

The variable that is measured or observed in an experiment.

Front

Why is it important to have constants in an experiment?

Back

To ensure that the test results are due to the independent variable only.