Physical Science Final Review questions - Part 2

Front

What is the independent variable in an experiment?

Back

The independent variable is the one that is manipulated or changed by the experimenter.

Front

What does a scientific law describe?

Back

A scientific law describes a pattern in nature without explaining it.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the one that is measured; it 'depends' on the changes made to the independent variable.

Front

What is a theory in scientific terms?

Back

A theory is a well-tested explanation that is based on a body of evidence.

Front

What is matter?

Back

Matter is anything that takes up space and has mass.

Front

What is a hypothesis?

Back

A hypothesis is an educated guess or prediction that can be tested through experimentation.

Front

What is the difference between a scientific law and a theory?

Back

A scientific law describes what happens in nature, while a theory explains why it happens.

Front

What is a control variable?

Back

A control variable is a factor that is kept constant during an experiment to ensure that the results are valid.

Front

What is the purpose of conducting an experiment?

Back

The purpose of conducting an experiment is to test a hypothesis and gather data to support or refute it.

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.