CA 4.5 Vocabulary Practice

Front

What are recorded observations made during an experiment called?

Back

Data

Front

How many variables can be tested in a controlled experiment?

Back

One

Front

What is a sample in research?

Back

A subset, or portion, of the population of study.

Front

What is the variable in an experiment that is deliberately changed by the scientist?

Back

Explanatory variable

Front

What do we call a variable that interferes with the results of an experiment?

Back

Confounding variable

Front

What is the purpose of a controlled experiment?

Back

To isolate the effect of the independent variable on the dependent variable.

Front

Define independent variable.

Back

The variable that is manipulated or changed in an experiment.

Front

Define dependent variable.

Back

The variable that is measured or observed in an experiment.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics, while quantitative data involves numbers and measurements.