Chapter 1: Understanding Science

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Qualitative Data

Back

Information gathered that cannot be measured, often descriptive in nature.

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Quantitative Data

Back

Information that can be measured and written down with numbers.

Front

Dependent Variable

Back

Variable that responds to change in the independent variable during an experiment.

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Independent Variable

Back

Variable that is manipulated or changed in an experiment to test its effects.

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Hypothesis

Back

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

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Control Group

Back

A group in an experiment that does not receive the treatment and is used for comparison.

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Experimental Investigation

Back

A method of inquiry that involves manipulating variables to determine cause-and-effect relationships.

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Scientific Method

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

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Observation

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The act of noting and recording something with instruments or through the senses.

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Theory

Back

A well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses, and facts.