NOS Review

Front

What does it mean if an experiment is reliable?

Back

It means that the experiment produces consistent results when repeated.

Front

What is the dependent variable in an experiment?

Back

It is the variable that is measured or observed in response to changes in the independent variable.

Front

What term describes how consistent the results of an experiment are when repeated?

Back

Reliability.

Front

How can a scientist improve the reliability of their experiment?

Back

By checking for mistakes and controlling variables better.

Front

What is the independent variable in an experiment?

Back

It is the variable that is changed or controlled to test its effects on the dependent variable.

Front

What is a hypothesis?

Back

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

Front

What does validity mean in the context of an experiment?

Back

Validity refers to whether the experiment measures what it is intended to measure.

Front

What is a control variable?

Back

A control variable is a factor that is kept constant to ensure that the results are due to the independent variable.

Front

Why is it important to repeat experiments?

Back

Repeating experiments helps to confirm the reliability and validity of the results.

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.