Nature of Science Pretest

Front

What is a hypothesis?

Back

A hypothesis is a tentative explanation for an observation, which can then be tested by scientific experimentation.

Front

What is the first step of the scientific method?

Back

Make an observation or ask a question.

Front

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

Back

The control group is used to provide a comparison for the experimental group and determine the effectiveness of the treatment.

Front

What is a dependent variable?

Back

It is the variable that is measured in the experiment in response to a changed factor.

Front

What are independent variables in an experiment?

Back

Variables that are manipulated or changed by the researcher.

Front

What is the purpose of scientific experimentation?

Back

To test hypotheses and gather data to support or refute them.

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 the significance of peer review in scientific research?

Back

Peer review ensures the validity and reliability of research findings by having experts evaluate the work before publication.

Front

What is a scientific theory?

Back

A scientific theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.

Front

What is the role of replication in scientific research?

Back

Replication allows researchers to verify results and ensure that findings are consistent and reliable.