4.1/5.1 Scientific Investigation

Front

What is the definition of an independent variable?

Back

The factor that is changed by the experimenter on purpose.

Front

What is the definition of a dependent variable?

Back

The factor that the experimenter measures due to the changed variable.

Front

In an experiment, what is the independent variable if students are testing the effect of fertilizer on plant growth?

Back

Amount of fertilizer.

Front

In an experiment, what is the dependent variable if students are testing the effect of fertilizer on plant growth?

Back

Plant height.

Front

What is the definition of a constant in an experiment?

Back

What the experimenter keeps the same in each test.

Front

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

Back

To provide a standard for comparison.

Front

What is a hypothesis?

Back

A testable prediction about the outcome of an experiment.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is data in the context of scientific investigation?

Back

Information collected during an experiment.

Front

What is the role of observation in scientific investigation?

Back

To gather information and evidence about a phenomenon.