Unit 1 LO#1 Practice Flashcard

Front

What is an independent variable?

Back

The variable in an experiment that is deliberately changed by the scientist.

Front

What is a dependent variable?

Back

The variable that is measured in an experiment and is affected by the independent variable.

Front

What is the control group in an experiment?

Back

The group that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What does it mean to measure a variable in an experiment?

Back

To collect data on the dependent variable after the experiment is completed.

Front

On which axis is the independent variable plotted on a graph?

Back

The x-axis.

Front

On which axis is the dependent variable plotted on a graph?

Back

The y-axis.

Front

What is the purpose of a hypothesis in an experiment?

Back

A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

Front

What is the difference between qualitative and quantitative data?

Back

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

Front

What is a constant in an experiment?

Back

A variable that remains unchanged throughout the experiment to ensure that the test results are valid.

Front

What is the significance of replicating an experiment?

Back

Replication helps to verify results and ensure that they are reliable and not due to chance.