Nature of Science Practice State Test - 2 answers

Front

What is the purpose of replicating an experiment in science?

Back

To confirm the results of the experiment conducted by the scientist.

Front

What is the outcome (dependent) variable in an experiment?

Back

The outcome (dependent) variable is the factor that is measured in an experiment, such as the number of leaves a plant grows.

Front

What does repetition in scientific investigations mean?

Back

Repetition refers to conducting the same experiment multiple times to ensure reliability of results.

Front

How can scientific knowledge change?

Back

Scientific knowledge may change as new evidence or information is discovered.

Front

What is an independent variable in an experiment?

Back

An independent variable is the factor that is changed or controlled in an experiment 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 is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a control group in an experiment?

Back

A control group is a group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is the difference between qualitative and quantitative data?

Back

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

Front

What is a scientific law?

Back

A scientific law is a statement based on repeated experimental observations that describes some aspect of the universe.