UNIT 1A FLASHCARD REVIEW

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What is a dependent variable?

Back

The dependent variable is the factor that is measured in an experiment. It is affected by changes in the independent variable.

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What is an independent variable?

Back

The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is a hypothesis?

Back

A hypothesis is a testable answer to a scientific question, often formulated as an if-then statement.

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What does it mean to make an inference?

Back

An inference is a conclusion drawn from evidence and reasoning rather than from explicit statements.

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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.

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What is a controlled experiment?

Back

A controlled experiment is one in which all variables are kept constant except for the independent variable being tested.

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What is the purpose of a control group?

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The control group serves as a baseline to compare the effects of the independent variable in the experimental group.

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What is the difference between qualitative and quantitative data?

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

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What is an observation in science?

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An observation is the act of noting and recording something with instruments or through the senses.

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What is a variable in an experiment?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.