PBS EOC review

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the variable that is measured or tested in an experiment, which is affected by changes in the independent variable.

Front

Where does the dependent variable go on a graph?

Back

The dependent variable is plotted on the y-axis of a graph.

Front

What are chromosomes?

Back

Chromosomes are bundles of supercoiled DNA that carry genetic information.

Front

What is heart rate?

Back

Heart rate is the number of times the heart beats per minute.

Front

What is a polygraph test?

Back

A polygraph test is a test used to determine whether a person is telling the truth or lying by measuring physiological responses.

Front

What is the independent variable in an experiment?

Back

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

Front

What is the purpose of a control group in an experiment?

Back

A control group is used as a standard of comparison to evaluate the effect of the independent variable.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.