The Practice of Science

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What is the dependent variable in an experiment?

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The dependent variable is the variable that is measured or observed in an experiment. It changes in response to the independent variable.

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What is a control group in an experiment?

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The control group is the group in an experiment that does not receive the treatment or intervention being tested. It serves as a baseline for comparison.

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What is an independent variable?

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

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What is a hypothesis?

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A hypothesis is a proposed explanation for a phenomenon, often stated in an 'If...then...' format, that can be tested through experimentation.

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What is the scientific method?

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The scientific method is a systematic process used for scientific investigation, involving observation, hypothesis formation, experimentation, and conclusion.

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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, often leading to questions or hypotheses.

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What is a theory in science?

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A theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence and has stood up to repeated testing.

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What is a law in science?

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A law is a statement that describes a consistent and universal relationship observed in nature, often expressed mathematically.

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What is data in scientific research?

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Data is the information collected during an experiment, which can be quantitative (numerical) or qualitative (descriptive).

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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.